./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa --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 053ed37729093871c2c498497e190e53b613cb8aee6f9e8241abee9e3eadcf24 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:56:21,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:56:21,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:56:21,089 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:56:21,090 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:56:21,091 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:56:21,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:56:21,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:56:21,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:56:21,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:56:21,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:56:21,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:56:21,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:56:21,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:56:21,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:56:21,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:56:21,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:56:21,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:56:21,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:56:21,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:56:21,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:56:21,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:56:21,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:56:21,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:56:21,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:56:21,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:56:21,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:56:21,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:56:21,124 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:56:21,125 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:56:21,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:56:21,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:56:21,127 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:56:21,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:56:21,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:56:21,129 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:56:21,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:56:21,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:56:21,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:56:21,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:56:21,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:56:21,132 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 20:56:21,150 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:56:21,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:56:21,150 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:56:21,151 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:56:21,151 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 20:56:21,151 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 20:56:21,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:56:21,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:56:21,152 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:56:21,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:56:21,152 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 20:56:21,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 20:56:21,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 20:56:21,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:56:21,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 20:56:21,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 20:56:21,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 20:56:21,153 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 20:56:21,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 20:56:21,153 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:56:21,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 20:56:21,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:56:21,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:56:21,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 20:56:21,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:56:21,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:56:21,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 20:56:21,154 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 20:56:21,155 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 20:56:21,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 20:56:21,155 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 20:56:21,155 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 20:56:21,155 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 20:56:21,155 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:56:21,155 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_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 053ed37729093871c2c498497e190e53b613cb8aee6f9e8241abee9e3eadcf24 [2021-12-06 20:56:21,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:56:21,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:56:21,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:56:21,347 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:56:21,348 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:56:21,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c [2021-12-06 20:56:21,391 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/data/f39e549b6/cd9d71ff57464dd2b258e584e6bcaaf6/FLAGdfd8e7d66 [2021-12-06 20:56:21,778 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:56:21,778 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c [2021-12-06 20:56:21,787 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/data/f39e549b6/cd9d71ff57464dd2b258e584e6bcaaf6/FLAGdfd8e7d66 [2021-12-06 20:56:21,799 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/data/f39e549b6/cd9d71ff57464dd2b258e584e6bcaaf6 [2021-12-06 20:56:21,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:56:21,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:56:21,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:56:21,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:56:21,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:56:21,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:56:21" (1/1) ... [2021-12-06 20:56:21,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68f15c59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:56:21, skipping insertion in model container [2021-12-06 20:56:21,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:56:21" (1/1) ... [2021-12-06 20:56:21,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:56:21,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:56:22,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c[37884,37897] [2021-12-06 20:56:22,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:56:22,034 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 20:56:22,079 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c[37884,37897] [2021-12-06 20:56:22,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:56:22,094 INFO L208 MainTranslator]: Completed translation [2021-12-06 20:56:22,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:56:22 WrapperNode [2021-12-06 20:56:22,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:56:22,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 20:56:22,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 20:56:22,095 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 20:56:22,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:56:22" (1/1) ... [2021-12-06 20:56:22,110 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:56:22" (1/1) ... [2021-12-06 20:56:22,143 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 478 [2021-12-06 20:56:22,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 20:56:22,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 20:56:22,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 20:56:22,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 20:56:22,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:56:22" (1/1) ... [2021-12-06 20:56:22,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:56:22" (1/1) ... [2021-12-06 20:56:22,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:56:22" (1/1) ... [2021-12-06 20:56:22,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:56:22" (1/1) ... [2021-12-06 20:56:22,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:56:22" (1/1) ... [2021-12-06 20:56:22,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:56:22" (1/1) ... [2021-12-06 20:56:22,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:56:22" (1/1) ... [2021-12-06 20:56:22,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 20:56:22,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 20:56:22,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 20:56:22,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 20:56:22,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:56:22" (1/1) ... [2021-12-06 20:56:22,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:56:22,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:56:22,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 20:56:22,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 20:56:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 20:56:22,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 20:56:22,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 20:56:22,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 20:56:22,283 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 20:56:22,284 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 20:56:22,297 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-06 20:56:22,593 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2021-12-06 20:56:22,593 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2021-12-06 20:56:22,593 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 20:56:22,601 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 20:56:22,601 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 20:56:22,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:56:22 BoogieIcfgContainer [2021-12-06 20:56:22,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 20:56:22,605 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 20:56:22,605 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 20:56:22,608 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 20:56:22,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 08:56:21" (1/3) ... [2021-12-06 20:56:22,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@592f8917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:56:22, skipping insertion in model container [2021-12-06 20:56:22,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:56:22" (2/3) ... [2021-12-06 20:56:22,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@592f8917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:56:22, skipping insertion in model container [2021-12-06 20:56:22,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:56:22" (3/3) ... [2021-12-06 20:56:22,611 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.BV.c.cil-2a.c [2021-12-06 20:56:22,616 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 20:56:22,616 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 20:56:22,655 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 20:56:22,660 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 20:56:22,660 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 20:56:22,673 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 124 states have (on average 1.7338709677419355) internal successors, (215), 125 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:22,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-06 20:56:22,678 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:22,679 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:56:22,679 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:22,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:22,683 INFO L85 PathProgramCache]: Analyzing trace with hash 259999105, now seen corresponding path program 1 times [2021-12-06 20:56:22,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:56:22,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209477940] [2021-12-06 20:56:22,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:22,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:56:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:56:22,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:56:22,845 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:56:22,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209477940] [2021-12-06 20:56:22,845 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209477940] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:56:22,846 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:56:22,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:56:22,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740900651] [2021-12-06 20:56:22,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:56:22,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:56:22,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:56:22,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:56:22,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:56:22,883 INFO L87 Difference]: Start difference. First operand has 126 states, 124 states have (on average 1.7338709677419355) internal successors, (215), 125 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:22,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:56:22,994 INFO L93 Difference]: Finished difference Result 247 states and 423 transitions. [2021-12-06 20:56:22,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:56:22,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-12-06 20:56:22,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:56:23,003 INFO L225 Difference]: With dead ends: 247 [2021-12-06 20:56:23,003 INFO L226 Difference]: Without dead ends: 113 [2021-12-06 20:56:23,005 INFO L932 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 [2021-12-06 20:56:23,008 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 8 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:56:23,009 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 320 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 20:56:23,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-12-06 20:56:23,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-12-06 20:56:23,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 112 states have (on average 1.5267857142857142) internal successors, (171), 112 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:23,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 171 transitions. [2021-12-06 20:56:23,039 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 171 transitions. Word has length 25 [2021-12-06 20:56:23,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:56:23,039 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 171 transitions. [2021-12-06 20:56:23,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:23,039 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 171 transitions. [2021-12-06 20:56:23,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-06 20:56:23,040 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:23,041 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:56:23,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 20:56:23,041 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:23,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:23,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1138040513, now seen corresponding path program 1 times [2021-12-06 20:56:23,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:56:23,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071155410] [2021-12-06 20:56:23,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:23,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:56:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:56:23,093 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:56:23,094 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:56:23,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071155410] [2021-12-06 20:56:23,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071155410] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:56:23,094 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:56:23,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:56:23,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435339037] [2021-12-06 20:56:23,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:56:23,096 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:56:23,096 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:56:23,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:56:23,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:56:23,096 INFO L87 Difference]: Start difference. First operand 113 states and 171 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:23,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:56:23,174 INFO L93 Difference]: Finished difference Result 233 states and 356 transitions. [2021-12-06 20:56:23,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:56:23,174 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-12-06 20:56:23,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:56:23,175 INFO L225 Difference]: With dead ends: 233 [2021-12-06 20:56:23,175 INFO L226 Difference]: Without dead ends: 131 [2021-12-06 20:56:23,176 INFO L932 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 [2021-12-06 20:56:23,177 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 13 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:56:23,178 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 241 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 20:56:23,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-12-06 20:56:23,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 128. [2021-12-06 20:56:23,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 1.5039370078740157) internal successors, (191), 127 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:23,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 191 transitions. [2021-12-06 20:56:23,186 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 191 transitions. Word has length 37 [2021-12-06 20:56:23,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:56:23,187 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 191 transitions. [2021-12-06 20:56:23,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:23,187 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 191 transitions. [2021-12-06 20:56:23,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-06 20:56:23,188 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:23,189 INFO L514 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, 1] [2021-12-06 20:56:23,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 20:56:23,189 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:23,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:23,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1126420040, now seen corresponding path program 1 times [2021-12-06 20:56:23,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:56:23,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403717380] [2021-12-06 20:56:23,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:23,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:56:23,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:56:23,238 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 20:56:23,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:56:23,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403717380] [2021-12-06 20:56:23,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403717380] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:56:23,239 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:56:23,239 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:56:23,239 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353520311] [2021-12-06 20:56:23,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:56:23,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:56:23,240 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:56:23,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:56:23,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:56:23,240 INFO L87 Difference]: Start difference. First operand 128 states and 191 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:23,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:56:23,256 INFO L93 Difference]: Finished difference Result 271 states and 400 transitions. [2021-12-06 20:56:23,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:56:23,256 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-12-06 20:56:23,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:56:23,258 INFO L225 Difference]: With dead ends: 271 [2021-12-06 20:56:23,258 INFO L226 Difference]: Without dead ends: 154 [2021-12-06 20:56:23,259 INFO L932 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 [2021-12-06 20:56:23,261 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 21 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:56:23,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 311 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:56:23,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-12-06 20:56:23,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2021-12-06 20:56:23,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 153 states have (on average 1.4640522875816993) internal successors, (224), 153 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:23,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 224 transitions. [2021-12-06 20:56:23,275 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 224 transitions. Word has length 51 [2021-12-06 20:56:23,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:56:23,275 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 224 transitions. [2021-12-06 20:56:23,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:23,275 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 224 transitions. [2021-12-06 20:56:23,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-06 20:56:23,277 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:23,277 INFO L514 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, 1] [2021-12-06 20:56:23,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 20:56:23,278 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:23,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:23,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1260433546, now seen corresponding path program 1 times [2021-12-06 20:56:23,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:56:23,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581260361] [2021-12-06 20:56:23,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:23,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:56:23,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:56:23,324 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 20:56:23,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:56:23,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581260361] [2021-12-06 20:56:23,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581260361] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:56:23,325 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:56:23,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:56:23,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363680882] [2021-12-06 20:56:23,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:56:23,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:56:23,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:56:23,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:56:23,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:56:23,327 INFO L87 Difference]: Start difference. First operand 154 states and 224 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:23,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:56:23,402 INFO L93 Difference]: Finished difference Result 292 states and 435 transitions. [2021-12-06 20:56:23,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:56:23,402 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-12-06 20:56:23,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:56:23,403 INFO L225 Difference]: With dead ends: 292 [2021-12-06 20:56:23,404 INFO L226 Difference]: Without dead ends: 175 [2021-12-06 20:56:23,404 INFO L932 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 [2021-12-06 20:56:23,405 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 16 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:56:23,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 254 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 20:56:23,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-12-06 20:56:23,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 171. [2021-12-06 20:56:23,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 170 states have (on average 1.4470588235294117) internal successors, (246), 170 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:23,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 246 transitions. [2021-12-06 20:56:23,414 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 246 transitions. Word has length 51 [2021-12-06 20:56:23,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:56:23,414 INFO L470 AbstractCegarLoop]: Abstraction has 171 states and 246 transitions. [2021-12-06 20:56:23,414 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:23,415 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 246 transitions. [2021-12-06 20:56:23,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-12-06 20:56:23,416 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:23,416 INFO L514 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] [2021-12-06 20:56:23,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 20:56:23,416 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:23,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:23,417 INFO L85 PathProgramCache]: Analyzing trace with hash -457628469, now seen corresponding path program 1 times [2021-12-06 20:56:23,417 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:56:23,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593446289] [2021-12-06 20:56:23,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:23,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:56:23,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:56:23,444 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:56:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:56:23,494 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 20:56:23,494 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 20:56:23,495 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 20:56:23,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 20:56:23,499 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-12-06 20:56:23,501 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 20:56:23,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 08:56:23 BoogieIcfgContainer [2021-12-06 20:56:23,595 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 20:56:23,595 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 20:56:23,596 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 20:56:23,596 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 20:56:23,596 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:56:22" (3/4) ... [2021-12-06 20:56:23,599 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 20:56:23,599 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 20:56:23,600 INFO L158 Benchmark]: Toolchain (without parser) took 1796.84ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 66.1MB in the end (delta: 14.3MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2021-12-06 20:56:23,600 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 20:56:23,601 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.03ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 89.1MB in the end (delta: -8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 20:56:23,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.55ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 86.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 20:56:23,602 INFO L158 Benchmark]: Boogie Preprocessor took 27.31ms. Allocated memory is still 117.4MB. Free memory was 86.3MB in the beginning and 84.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 20:56:23,602 INFO L158 Benchmark]: RCFGBuilder took 430.92ms. Allocated memory is still 117.4MB. Free memory was 84.4MB in the beginning and 58.2MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-06 20:56:23,602 INFO L158 Benchmark]: TraceAbstraction took 990.34ms. Allocated memory is still 117.4MB. Free memory was 57.8MB in the beginning and 66.1MB in the end (delta: -8.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 20:56:23,603 INFO L158 Benchmark]: Witness Printer took 3.87ms. Allocated memory is still 117.4MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 20:56:23,605 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 117.4MB. Free memory is still 97.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.03ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 89.1MB in the end (delta: -8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.55ms. Allocated memory is still 117.4MB. Free memory was 89.1MB in the beginning and 86.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.31ms. Allocated memory is still 117.4MB. Free memory was 86.3MB in the beginning and 84.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 430.92ms. Allocated memory is still 117.4MB. Free memory was 84.4MB in the beginning and 58.2MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 990.34ms. Allocated memory is still 117.4MB. Free memory was 57.8MB in the beginning and 66.1MB in the end (delta: -8.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.87ms. Allocated memory is still 117.4MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 624]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 311. Possible FailurePath: [L633] int __retres1 ; [L637] CALL ssl3_connect() [L19] int s__info_callback = __VERIFIER_nondet_int(); [L20] unsigned int s__in_handshake = __VERIFIER_nondet_uint(); [L21] int s__state ; [L22] int s__new_session ; [L23] int s__server ; [L24] unsigned int s__version = __VERIFIER_nondet_uint(); [L25] int s__type ; [L26] int s__init_num ; [L27] int s__bbio = __VERIFIER_nondet_int(); [L28] int s__wbio = __VERIFIER_nondet_int(); [L29] int s__hit = __VERIFIER_nondet_int(); [L30] int s__rwstate ; [L31] int s__init_buf___0 = __VERIFIER_nondet_int(); [L32] int s__debug = __VERIFIER_nondet_int(); [L33] int s__shutdown ; [L34] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L35] unsigned int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_uint(); [L36] unsigned int s__ctx__stats__sess_connect = __VERIFIER_nondet_uint(); [L37] unsigned int s__ctx__stats__sess_hit = __VERIFIER_nondet_uint(); [L38] unsigned int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_uint(); [L39] int s__s3__change_cipher_spec ; [L40] int s__s3__flags = __VERIFIER_nondet_int(); [L41] int s__s3__delay_buf_pop_ret ; [L42] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L43] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L44] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L45] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L46] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L47] int s__s3__tmp__next_state___0 ; [L48] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int(); [L49] int s__session__cipher ; [L50] int s__session__compress_meth ; [L51] int buf ; [L52] unsigned long tmp ; [L53] unsigned long l ; [L54] int num1 = __VERIFIER_nondet_int(); [L55] int cb ; [L56] int ret ; [L57] int new_state ; [L58] int state ; [L59] int skip ; [L60] int tmp___0 ; [L61] unsigned int tmp___1 = __VERIFIER_nondet_uint(); [L62] unsigned int tmp___2 = __VERIFIER_nondet_uint(); [L63] int tmp___3 = __VERIFIER_nondet_int(); [L64] int tmp___4 = __VERIFIER_nondet_int(); [L65] int tmp___5 = __VERIFIER_nondet_int(); [L66] int tmp___6 = __VERIFIER_nondet_int(); [L67] int tmp___7 = __VERIFIER_nondet_int(); [L68] int tmp___8 = __VERIFIER_nondet_int(); [L69] int tmp___9 = __VERIFIER_nondet_int(); [L70] int blastFlag ; [L71] int ag_X ; [L72] int ag_Y ; [L73] int ag_Z ; [L74] int __retres60 ; [L77] s__state = 12292 [L78] blastFlag = 0 [L79] tmp = __VERIFIER_nondet_int() [L80] cb = 0 [L81] ret = -1 [L82] skip = 0 [L83] tmp___0 = 0 VAL [blastFlag=0, cb=0, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__debug=0, s__hit=1, s__info_callback=1, s__init_buf___0=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__state=12292, s__wbio=1, skip=0, tmp=0, tmp___0=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L84] COND TRUE s__info_callback != 0 [L85] cb = s__info_callback VAL [blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__debug=0, s__hit=1, s__info_callback=1, s__init_buf___0=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__state=12292, s__wbio=1, skip=0, tmp=0, tmp___0=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L93] s__in_handshake = s__in_handshake + 1 VAL [blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__state=12292, s__wbio=1, skip=0, tmp=0, tmp___0=0, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L94] COND FALSE !(tmp___1 + 12288) VAL [blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__state=12292, s__wbio=1, skip=0, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L103] COND TRUE \read(s__hit) [L104] ag_Y = 208 VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__state=12292, s__wbio=1, skip=0, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L109] COND TRUE 1 VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__state=12292, s__wbio=1, skip=0, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L111] state = s__state VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__state=12292, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L112] COND TRUE s__state == 12292 VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__state=12292, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L215] s__new_session = 1 [L216] s__state = 4096 [L217] s__ctx__stats__sess_connect_renegotiate = s__ctx__stats__sess_connect_renegotiate + 1 VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__state=4096, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L222] s__server = 0 VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4096, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L223] COND TRUE cb != 0 VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4096, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L228] COND FALSE !(s__version + 65280 != 768) [L234] s__type = 4096 VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4096, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L235] COND FALSE !((unsigned long )s__init_buf___0 == (unsigned long )((void *)0)) VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4096, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L253] COND FALSE !(! tmp___4) VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4096, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L259] COND FALSE !(! tmp___5) [L265] s__state = 4368 [L266] s__ctx__stats__sess_connect = s__ctx__stats__sess_connect + 1 [L267] s__init_num = 0 VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L582] COND FALSE !(! s__s3__tmp__reuse_message) VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L611] skip = 0 VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L109] COND TRUE 1 VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=12292, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L111] state = s__state VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L112] COND FALSE !(s__state == 12292) VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L115] COND FALSE !(s__state == 16384) VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L118] COND FALSE !(s__state == 4096) VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L121] COND FALSE !(s__state == 20480) VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L124] COND FALSE !(s__state == 4099) VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L127] COND TRUE s__state == 4368 VAL [ag_Y=208, blastFlag=0, cb=1, num1=0, ret=-1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L271] s__shutdown = 0 [L272] ret = __VERIFIER_nondet_int() [L273] COND TRUE blastFlag == 0 [L274] blastFlag = 1 VAL [ag_Y=208, blastFlag=1, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4368, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L278] COND FALSE !(ret <= 0) [L283] s__state = 4384 [L284] ag_X = s__state - 32 [L285] s__init_num = 0 VAL [ag_X=4352, ag_Y=208, blastFlag=1, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L286] COND TRUE (unsigned long )s__bbio != (unsigned long )s__wbio VAL [ag_X=4352, ag_Y=208, blastFlag=1, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L582] COND FALSE !(! s__s3__tmp__reuse_message) VAL [ag_X=4352, ag_Y=208, blastFlag=1, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L611] skip = 0 VAL [ag_X=4352, ag_Y=208, blastFlag=1, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L109] COND TRUE 1 VAL [ag_X=4352, ag_Y=208, blastFlag=1, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4368, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L111] state = s__state VAL [ag_X=4352, ag_Y=208, blastFlag=1, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L112] COND FALSE !(s__state == 12292) VAL [ag_X=4352, ag_Y=208, blastFlag=1, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L115] COND FALSE !(s__state == 16384) VAL [ag_X=4352, ag_Y=208, blastFlag=1, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L118] COND FALSE !(s__state == 4096) VAL [ag_X=4352, ag_Y=208, blastFlag=1, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L121] COND FALSE !(s__state == 20480) VAL [ag_X=4352, ag_Y=208, blastFlag=1, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L124] COND FALSE !(s__state == 4099) VAL [ag_X=4352, ag_Y=208, blastFlag=1, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L127] COND FALSE !(s__state == 4368) VAL [ag_X=4352, ag_Y=208, blastFlag=1, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L130] COND FALSE !(s__state == 4369) VAL [ag_X=4352, ag_Y=208, blastFlag=1, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L133] COND TRUE s__state == 4384 VAL [ag_X=4352, ag_Y=208, blastFlag=1, cb=1, num1=0, ret=4, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L294] ret = __VERIFIER_nondet_int() [L295] COND TRUE blastFlag == 1 [L296] blastFlag = 2 VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L304] COND FALSE !(ret <= 0) [L309] s__state = ag_X VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4352, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L310] COND TRUE \read(s__hit) [L311] s__state = s__state | ag_Y VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L315] s__init_num = 0 VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L582] COND FALSE !(! s__s3__tmp__reuse_message) VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L611] skip = 0 VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L109] COND TRUE 1 VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4384, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L111] state = s__state VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L112] COND FALSE !(s__state == 12292) VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L115] COND FALSE !(s__state == 16384) VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L118] COND FALSE !(s__state == 4096) VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L121] COND FALSE !(s__state == 20480) VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L124] COND FALSE !(s__state == 4099) VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L127] COND FALSE !(s__state == 4368) VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L130] COND FALSE !(s__state == 4369) VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L133] COND FALSE !(s__state == 4384) VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L136] COND FALSE !(s__state == 4385) VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L139] COND FALSE !(s__state == 4400) VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L142] COND FALSE !(s__state == 4401) VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L145] COND FALSE !(s__state == 4416) VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L148] COND FALSE !(s__state == 4417) VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L151] COND TRUE s__state == 4432 VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=1, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L361] ret = __VERIFIER_nondet_int() [L362] COND TRUE blastFlag <= 5 VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=0, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] [L624] reach_error() VAL [ag_X=4352, ag_Y=208, blastFlag=2, cb=1, num1=0, ret=0, s__bbio=0, s__ctx__info_callback=0, s__ctx__stats__sess_connect=0, s__ctx__stats__sess_connect_renegotiate=0, s__debug=0, s__hit=1, s__in_handshake=0, s__info_callback=1, s__init_buf___0=1, s__init_num=0, s__new_session=1, s__s3__flags=0, s__s3__tmp__cert_req=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__new_compression=0, s__s3__tmp__new_compression__id=0, s__s3__tmp__reuse_message=1, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=1, skip=0, state=4432, tmp=0, tmp___0=0, tmp___1=4294955008, tmp___3=0, tmp___4=1, tmp___5=1, tmp___6=0, tmp___7=0, tmp___8=0, tmp___9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 126 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 5, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 1126 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 412 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 296 IncrementalHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 714 mSDtfsCounter, 296 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred in iteration=4, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 160 ConstructedInterpolants, 0 QuantifiedInterpolants, 272 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 35/35 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 [2021-12-06 20:56:23,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa --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 053ed37729093871c2c498497e190e53b613cb8aee6f9e8241abee9e3eadcf24 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:56:25,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:56:25,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:56:25,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:56:25,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:56:25,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:56:25,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:56:25,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:56:25,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:56:25,307 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:56:25,307 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:56:25,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:56:25,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:56:25,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:56:25,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:56:25,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:56:25,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:56:25,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:56:25,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:56:25,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:56:25,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:56:25,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:56:25,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:56:25,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:56:25,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:56:25,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:56:25,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:56:25,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:56:25,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:56:25,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:56:25,327 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:56:25,327 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:56:25,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:56:25,329 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:56:25,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:56:25,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:56:25,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:56:25,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:56:25,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:56:25,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:56:25,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:56:25,341 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-06 20:56:25,369 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:56:25,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:56:25,370 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:56:25,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:56:25,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 20:56:25,371 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 20:56:25,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:56:25,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:56:25,372 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:56:25,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:56:25,372 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 20:56:25,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 20:56:25,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:56:25,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 20:56:25,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 20:56:25,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 20:56:25,373 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-06 20:56:25,374 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-06 20:56:25,374 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-06 20:56:25,374 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 20:56:25,374 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 20:56:25,374 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:56:25,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 20:56:25,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:56:25,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:56:25,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 20:56:25,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:56:25,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:56:25,375 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 20:56:25,376 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 20:56:25,376 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-06 20:56:25,376 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-06 20:56:25,376 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 20:56:25,376 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 20:56:25,377 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 20:56:25,377 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:56:25,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-06 20:56:25,377 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_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 053ed37729093871c2c498497e190e53b613cb8aee6f9e8241abee9e3eadcf24 [2021-12-06 20:56:25,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:56:25,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:56:25,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:56:25,657 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:56:25,658 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:56:25,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c [2021-12-06 20:56:25,711 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/data/4e82b91eb/ab114a7fb3ee4ca1a788d1548e898401/FLAG810ddbb26 [2021-12-06 20:56:26,129 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:56:26,130 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c [2021-12-06 20:56:26,138 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/data/4e82b91eb/ab114a7fb3ee4ca1a788d1548e898401/FLAG810ddbb26 [2021-12-06 20:56:26,149 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/data/4e82b91eb/ab114a7fb3ee4ca1a788d1548e898401 [2021-12-06 20:56:26,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:56:26,152 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:56:26,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:56:26,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:56:26,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:56:26,157 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:56:26" (1/1) ... [2021-12-06 20:56:26,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77f97fa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:56:26, skipping insertion in model container [2021-12-06 20:56:26,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:56:26" (1/1) ... [2021-12-06 20:56:26,163 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:56:26,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:56:26,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c[37884,37897] [2021-12-06 20:56:26,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:56:26,349 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 20:56:26,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c[37884,37897] [2021-12-06 20:56:26,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:56:26,396 INFO L208 MainTranslator]: Completed translation [2021-12-06 20:56:26,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:56:26 WrapperNode [2021-12-06 20:56:26,396 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:56:26,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 20:56:26,397 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 20:56:26,397 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 20:56:26,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:56:26" (1/1) ... [2021-12-06 20:56:26,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:56:26" (1/1) ... [2021-12-06 20:56:26,433 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 440 [2021-12-06 20:56:26,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 20:56:26,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 20:56:26,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 20:56:26,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 20:56:26,440 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:56:26" (1/1) ... [2021-12-06 20:56:26,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:56:26" (1/1) ... [2021-12-06 20:56:26,444 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:56:26" (1/1) ... [2021-12-06 20:56:26,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:56:26" (1/1) ... [2021-12-06 20:56:26,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:56:26" (1/1) ... [2021-12-06 20:56:26,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:56:26" (1/1) ... [2021-12-06 20:56:26,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:56:26" (1/1) ... [2021-12-06 20:56:26,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 20:56:26,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 20:56:26,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 20:56:26,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 20:56:26,463 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:56:26" (1/1) ... [2021-12-06 20:56:26,469 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:56:26,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:56:26,489 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 20:56:26,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 20:56:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 20:56:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-06 20:56:26,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 20:56:26,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 20:56:26,581 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 20:56:26,582 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 20:56:26,594 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-06 20:56:26,900 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2021-12-06 20:56:26,901 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2021-12-06 20:56:26,901 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 20:56:26,908 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 20:56:26,909 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 20:56:26,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:56:26 BoogieIcfgContainer [2021-12-06 20:56:26,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 20:56:26,912 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 20:56:26,913 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 20:56:26,915 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 20:56:26,915 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 08:56:26" (1/3) ... [2021-12-06 20:56:26,916 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae2254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:56:26, skipping insertion in model container [2021-12-06 20:56:26,916 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:56:26" (2/3) ... [2021-12-06 20:56:26,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae2254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:56:26, skipping insertion in model container [2021-12-06 20:56:26,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:56:26" (3/3) ... [2021-12-06 20:56:26,918 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.BV.c.cil-2a.c [2021-12-06 20:56:26,923 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 20:56:26,924 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 20:56:26,971 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 20:56:26,978 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 20:56:26,978 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 20:56:26,995 INFO L276 IsEmpty]: Start isEmpty. Operand has 126 states, 124 states have (on average 1.7338709677419355) internal successors, (215), 125 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:27,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-12-06 20:56:27,000 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:27,001 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:56:27,001 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:27,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:27,005 INFO L85 PathProgramCache]: Analyzing trace with hash 259999105, now seen corresponding path program 1 times [2021-12-06 20:56:27,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:56:27,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [680051343] [2021-12-06 20:56:27,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:27,015 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:56:27,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:56:27,017 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:56:27,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-06 20:56:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:56:27,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:56:27,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:56:27,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:56:27,160 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:56:27,160 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:56:27,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [680051343] [2021-12-06 20:56:27,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [680051343] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:56:27,161 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:56:27,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:56:27,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954168159] [2021-12-06 20:56:27,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:56:27,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:56:27,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:56:27,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:56:27,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:56:27,195 INFO L87 Difference]: Start difference. First operand has 126 states, 124 states have (on average 1.7338709677419355) internal successors, (215), 125 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:27,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:56:27,318 INFO L93 Difference]: Finished difference Result 247 states and 423 transitions. [2021-12-06 20:56:27,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:56:27,320 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-12-06 20:56:27,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:56:27,330 INFO L225 Difference]: With dead ends: 247 [2021-12-06 20:56:27,330 INFO L226 Difference]: Without dead ends: 113 [2021-12-06 20:56:27,334 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:56:27,338 INFO L933 BasicCegarLoop]: 210 mSDtfsCounter, 8 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:56:27,339 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 320 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 20:56:27,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-12-06 20:56:27,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2021-12-06 20:56:27,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 112 states have (on average 1.5267857142857142) internal successors, (171), 112 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:27,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 171 transitions. [2021-12-06 20:56:27,375 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 171 transitions. Word has length 25 [2021-12-06 20:56:27,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:56:27,376 INFO L470 AbstractCegarLoop]: Abstraction has 113 states and 171 transitions. [2021-12-06 20:56:27,376 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:27,376 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 171 transitions. [2021-12-06 20:56:27,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-12-06 20:56:27,378 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:27,378 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:56:27,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-06 20:56:27,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:56:27,580 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:27,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:27,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1138040513, now seen corresponding path program 1 times [2021-12-06 20:56:27,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:56:27,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [618278772] [2021-12-06 20:56:27,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:27,583 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:56:27,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:56:27,584 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:56:27,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-06 20:56:27,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:56:27,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:56:27,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:56:27,793 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:56:27,793 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:56:27,793 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:56:27,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [618278772] [2021-12-06 20:56:27,794 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [618278772] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:56:27,794 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:56:27,794 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:56:27,794 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129357990] [2021-12-06 20:56:27,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:56:27,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:56:27,795 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:56:27,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:56:27,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:56:27,796 INFO L87 Difference]: Start difference. First operand 113 states and 171 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:27,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:56:27,883 INFO L93 Difference]: Finished difference Result 233 states and 356 transitions. [2021-12-06 20:56:27,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:56:27,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2021-12-06 20:56:27,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:56:27,885 INFO L225 Difference]: With dead ends: 233 [2021-12-06 20:56:27,885 INFO L226 Difference]: Without dead ends: 131 [2021-12-06 20:56:27,886 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:56:27,888 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 13 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:56:27,888 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 241 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 20:56:27,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-12-06 20:56:27,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 128. [2021-12-06 20:56:27,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 127 states have (on average 1.5039370078740157) internal successors, (191), 127 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:27,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 191 transitions. [2021-12-06 20:56:27,904 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 191 transitions. Word has length 37 [2021-12-06 20:56:27,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:56:27,904 INFO L470 AbstractCegarLoop]: Abstraction has 128 states and 191 transitions. [2021-12-06 20:56:27,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:27,905 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 191 transitions. [2021-12-06 20:56:27,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-06 20:56:27,906 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:27,907 INFO L514 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, 1] [2021-12-06 20:56:27,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-06 20:56:28,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:56:28,108 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:28,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:28,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1126420040, now seen corresponding path program 1 times [2021-12-06 20:56:28,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:56:28,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [135126496] [2021-12-06 20:56:28,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:28,111 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:56:28,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:56:28,112 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:56:28,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-06 20:56:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:56:28,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:56:28,215 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:56:28,309 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 20:56:28,309 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:56:28,309 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:56:28,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [135126496] [2021-12-06 20:56:28,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [135126496] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:56:28,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:56:28,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:56:28,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424318629] [2021-12-06 20:56:28,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:56:28,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:56:28,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:56:28,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:56:28,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:56:28,311 INFO L87 Difference]: Start difference. First operand 128 states and 191 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:28,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:56:28,325 INFO L93 Difference]: Finished difference Result 271 states and 400 transitions. [2021-12-06 20:56:28,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:56:28,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-12-06 20:56:28,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:56:28,327 INFO L225 Difference]: With dead ends: 271 [2021-12-06 20:56:28,327 INFO L226 Difference]: Without dead ends: 154 [2021-12-06 20:56:28,328 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:56:28,329 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 21 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:56:28,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [21 Valid, 311 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:56:28,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2021-12-06 20:56:28,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2021-12-06 20:56:28,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 153 states have (on average 1.4640522875816993) internal successors, (224), 153 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:28,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 224 transitions. [2021-12-06 20:56:28,338 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 224 transitions. Word has length 51 [2021-12-06 20:56:28,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:56:28,338 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 224 transitions. [2021-12-06 20:56:28,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:28,338 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 224 transitions. [2021-12-06 20:56:28,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-12-06 20:56:28,340 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:28,340 INFO L514 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, 1] [2021-12-06 20:56:28,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-06 20:56:28,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:56:28,541 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:28,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:28,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1260433546, now seen corresponding path program 1 times [2021-12-06 20:56:28,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:56:28,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1471403088] [2021-12-06 20:56:28,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:28,543 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:56:28,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:56:28,544 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:56:28,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-06 20:56:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:56:28,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:56:28,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:56:28,645 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 20:56:28,646 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:56:28,646 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:56:28,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1471403088] [2021-12-06 20:56:28,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1471403088] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:56:28,646 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:56:28,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:56:28,647 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792414274] [2021-12-06 20:56:28,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:56:28,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:56:28,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:56:28,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:56:28,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:56:28,648 INFO L87 Difference]: Start difference. First operand 154 states and 224 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:28,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:56:28,715 INFO L93 Difference]: Finished difference Result 292 states and 435 transitions. [2021-12-06 20:56:28,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:56:28,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-12-06 20:56:28,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:56:28,717 INFO L225 Difference]: With dead ends: 292 [2021-12-06 20:56:28,717 INFO L226 Difference]: Without dead ends: 175 [2021-12-06 20:56:28,718 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:56:28,718 INFO L933 BasicCegarLoop]: 176 mSDtfsCounter, 16 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:56:28,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 254 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 20:56:28,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-12-06 20:56:28,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 171. [2021-12-06 20:56:28,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 170 states have (on average 1.4470588235294117) internal successors, (246), 170 states have internal predecessors, (246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:28,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 246 transitions. [2021-12-06 20:56:28,727 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 246 transitions. Word has length 51 [2021-12-06 20:56:28,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:56:28,728 INFO L470 AbstractCegarLoop]: Abstraction has 171 states and 246 transitions. [2021-12-06 20:56:28,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:28,728 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 246 transitions. [2021-12-06 20:56:28,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-12-06 20:56:28,729 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:28,729 INFO L514 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] [2021-12-06 20:56:28,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-12-06 20:56:28,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:56:28,931 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:28,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:28,933 INFO L85 PathProgramCache]: Analyzing trace with hash -457628469, now seen corresponding path program 1 times [2021-12-06 20:56:28,934 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:56:28,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [244629262] [2021-12-06 20:56:28,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:28,936 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:56:28,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:56:28,938 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:56:28,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-06 20:56:29,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:56:29,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:56:29,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:56:29,184 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-06 20:56:29,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:56:29,370 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-06 20:56:29,370 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:56:29,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [244629262] [2021-12-06 20:56:29,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [244629262] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:56:29,370 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:56:29,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-12-06 20:56:29,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369573384] [2021-12-06 20:56:29,371 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:56:29,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:56:29,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:56:29,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:56:29,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:56:29,372 INFO L87 Difference]: Start difference. First operand 171 states and 246 transitions. Second operand has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:29,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:56:29,480 INFO L93 Difference]: Finished difference Result 480 states and 706 transitions. [2021-12-06 20:56:29,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 20:56:29,481 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-12-06 20:56:29,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:56:29,483 INFO L225 Difference]: With dead ends: 480 [2021-12-06 20:56:29,483 INFO L226 Difference]: Without dead ends: 346 [2021-12-06 20:56:29,483 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:56:29,484 INFO L933 BasicCegarLoop]: 153 mSDtfsCounter, 141 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 93 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:56:29,484 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 558 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 62 Invalid, 0 Unknown, 93 Unchecked, 0.1s Time] [2021-12-06 20:56:29,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2021-12-06 20:56:29,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 309. [2021-12-06 20:56:29,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 308 states have (on average 1.4675324675324675) internal successors, (452), 308 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:29,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 452 transitions. [2021-12-06 20:56:29,496 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 452 transitions. Word has length 68 [2021-12-06 20:56:29,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:56:29,496 INFO L470 AbstractCegarLoop]: Abstraction has 309 states and 452 transitions. [2021-12-06 20:56:29,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 6 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:29,497 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 452 transitions. [2021-12-06 20:56:29,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-12-06 20:56:29,498 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:29,498 INFO L514 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] [2021-12-06 20:56:29,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-12-06 20:56:29,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:56:29,699 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:29,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:29,701 INFO L85 PathProgramCache]: Analyzing trace with hash 2031900493, now seen corresponding path program 1 times [2021-12-06 20:56:29,702 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:56:29,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [236250873] [2021-12-06 20:56:29,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:29,704 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:56:29,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:56:29,706 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:56:29,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-06 20:56:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:56:29,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:56:29,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:56:29,979 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-06 20:56:29,979 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:56:29,979 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:56:29,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [236250873] [2021-12-06 20:56:29,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [236250873] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:56:29,979 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:56:29,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:56:29,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967808932] [2021-12-06 20:56:29,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:56:29,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:56:29,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:56:29,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:56:29,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:56:29,980 INFO L87 Difference]: Start difference. First operand 309 states and 452 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:29,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:56:29,998 INFO L93 Difference]: Finished difference Result 690 states and 1024 transitions. [2021-12-06 20:56:29,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:56:29,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-12-06 20:56:29,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:56:30,000 INFO L225 Difference]: With dead ends: 690 [2021-12-06 20:56:30,001 INFO L226 Difference]: Without dead ends: 447 [2021-12-06 20:56:30,001 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:56:30,002 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 124 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:56:30,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 323 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:56:30,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2021-12-06 20:56:30,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 445. [2021-12-06 20:56:30,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 444 states have (on average 1.4684684684684686) internal successors, (652), 444 states have internal predecessors, (652), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:30,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 652 transitions. [2021-12-06 20:56:30,021 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 652 transitions. Word has length 68 [2021-12-06 20:56:30,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:56:30,022 INFO L470 AbstractCegarLoop]: Abstraction has 445 states and 652 transitions. [2021-12-06 20:56:30,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:30,022 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 652 transitions. [2021-12-06 20:56:30,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-12-06 20:56:30,023 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:30,023 INFO L514 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] [2021-12-06 20:56:30,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-12-06 20:56:30,224 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:56:30,225 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:30,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:30,227 INFO L85 PathProgramCache]: Analyzing trace with hash -875025075, now seen corresponding path program 1 times [2021-12-06 20:56:30,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:56:30,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [455886230] [2021-12-06 20:56:30,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:30,230 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:56:30,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:56:30,233 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:56:30,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-06 20:56:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:56:30,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:56:30,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:56:30,398 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-06 20:56:30,398 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:56:30,398 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:56:30,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [455886230] [2021-12-06 20:56:30,398 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [455886230] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:56:30,398 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:56:30,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:56:30,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536569600] [2021-12-06 20:56:30,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:56:30,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:56:30,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:56:30,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:56:30,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:56:30,399 INFO L87 Difference]: Start difference. First operand 445 states and 652 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:30,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:56:30,414 INFO L93 Difference]: Finished difference Result 604 states and 888 transitions. [2021-12-06 20:56:30,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:56:30,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-12-06 20:56:30,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:56:30,417 INFO L225 Difference]: With dead ends: 604 [2021-12-06 20:56:30,417 INFO L226 Difference]: Without dead ends: 447 [2021-12-06 20:56:30,417 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:56:30,418 INFO L933 BasicCegarLoop]: 305 mSDtfsCounter, 122 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:56:30,418 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 464 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:56:30,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2021-12-06 20:56:30,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 445. [2021-12-06 20:56:30,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 444 states have (on average 1.4617117117117118) internal successors, (649), 444 states have internal predecessors, (649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:30,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 649 transitions. [2021-12-06 20:56:30,430 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 649 transitions. Word has length 68 [2021-12-06 20:56:30,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:56:30,430 INFO L470 AbstractCegarLoop]: Abstraction has 445 states and 649 transitions. [2021-12-06 20:56:30,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:30,430 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 649 transitions. [2021-12-06 20:56:30,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-12-06 20:56:30,431 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:30,431 INFO L514 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] [2021-12-06 20:56:30,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-12-06 20:56:30,632 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:56:30,633 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:30,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:30,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1614503887, now seen corresponding path program 1 times [2021-12-06 20:56:30,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:56:30,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [816736658] [2021-12-06 20:56:30,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:30,636 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:56:30,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:56:30,638 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:56:30,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-06 20:56:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:56:30,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 20:56:30,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:56:30,886 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 20:56:30,886 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:56:30,999 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 20:56:30,999 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:56:30,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [816736658] [2021-12-06 20:56:30,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [816736658] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:56:30,999 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:56:30,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2021-12-06 20:56:30,999 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686170296] [2021-12-06 20:56:30,999 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:56:31,000 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 20:56:31,000 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:56:31,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 20:56:31,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-06 20:56:31,000 INFO L87 Difference]: Start difference. First operand 445 states and 649 transitions. Second operand has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 9 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:31,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:56:31,367 INFO L93 Difference]: Finished difference Result 679 states and 1016 transitions. [2021-12-06 20:56:31,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 20:56:31,367 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 9 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2021-12-06 20:56:31,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:56:31,370 INFO L225 Difference]: With dead ends: 679 [2021-12-06 20:56:31,370 INFO L226 Difference]: Without dead ends: 523 [2021-12-06 20:56:31,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2021-12-06 20:56:31,371 INFO L933 BasicCegarLoop]: 349 mSDtfsCounter, 444 mSDsluCounter, 1011 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 1360 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 20:56:31,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [444 Valid, 1360 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 661 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 20:56:31,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2021-12-06 20:56:31,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 504. [2021-12-06 20:56:31,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 503 states have (on average 1.4274353876739563) internal successors, (718), 503 states have internal predecessors, (718), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:31,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 718 transitions. [2021-12-06 20:56:31,384 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 718 transitions. Word has length 68 [2021-12-06 20:56:31,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:56:31,384 INFO L470 AbstractCegarLoop]: Abstraction has 504 states and 718 transitions. [2021-12-06 20:56:31,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 9 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:31,384 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 718 transitions. [2021-12-06 20:56:31,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-12-06 20:56:31,385 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:31,385 INFO L514 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, 1] [2021-12-06 20:56:31,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-12-06 20:56:31,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:56:31,587 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:31,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:31,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1306206804, now seen corresponding path program 1 times [2021-12-06 20:56:31,588 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:56:31,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1980022681] [2021-12-06 20:56:31,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:31,588 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:56:31,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:56:31,590 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:56:31,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-06 20:56:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:56:31,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:56:31,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:56:31,813 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-06 20:56:31,813 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:56:31,950 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-06 20:56:31,950 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:56:31,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1980022681] [2021-12-06 20:56:31,950 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1980022681] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:56:31,950 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:56:31,950 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-12-06 20:56:31,950 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220964897] [2021-12-06 20:56:31,950 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:56:31,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:56:31,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:56:31,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:56:31,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:56:31,951 INFO L87 Difference]: Start difference. First operand 504 states and 718 transitions. Second operand has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:31,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:56:31,971 INFO L93 Difference]: Finished difference Result 679 states and 985 transitions. [2021-12-06 20:56:31,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:56:31,972 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2021-12-06 20:56:31,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:56:31,974 INFO L225 Difference]: With dead ends: 679 [2021-12-06 20:56:31,974 INFO L226 Difference]: Without dead ends: 522 [2021-12-06 20:56:31,975 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:56:31,975 INFO L933 BasicCegarLoop]: 160 mSDtfsCounter, 50 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 103 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:56:31,976 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 467 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 103 Unchecked, 0.0s Time] [2021-12-06 20:56:31,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2021-12-06 20:56:31,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 522. [2021-12-06 20:56:31,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 521 states have (on average 1.437619961612284) internal successors, (749), 521 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:31,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 749 transitions. [2021-12-06 20:56:31,990 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 749 transitions. Word has length 69 [2021-12-06 20:56:31,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:56:31,990 INFO L470 AbstractCegarLoop]: Abstraction has 522 states and 749 transitions. [2021-12-06 20:56:31,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:31,990 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 749 transitions. [2021-12-06 20:56:31,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-12-06 20:56:31,991 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:31,991 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:56:32,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-12-06 20:56:32,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:56:32,192 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:32,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:32,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1213476542, now seen corresponding path program 1 times [2021-12-06 20:56:32,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:56:32,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1371862357] [2021-12-06 20:56:32,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:32,193 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:56:32,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:56:32,194 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:56:32,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-12-06 20:56:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:56:32,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:56:32,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:56:32,295 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-06 20:56:32,295 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:56:32,295 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:56:32,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1371862357] [2021-12-06 20:56:32,295 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1371862357] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:56:32,295 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:56:32,295 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:56:32,295 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113907825] [2021-12-06 20:56:32,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:56:32,296 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:56:32,296 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:56:32,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:56:32,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:56:32,296 INFO L87 Difference]: Start difference. First operand 522 states and 749 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:32,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:56:32,317 INFO L93 Difference]: Finished difference Result 1380 states and 1963 transitions. [2021-12-06 20:56:32,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:56:32,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 73 [2021-12-06 20:56:32,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:56:32,327 INFO L225 Difference]: With dead ends: 1380 [2021-12-06 20:56:32,327 INFO L226 Difference]: Without dead ends: 924 [2021-12-06 20:56:32,328 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:56:32,329 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 123 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:56:32,329 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 353 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:56:32,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2021-12-06 20:56:32,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 922. [2021-12-06 20:56:32,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 922 states, 921 states have (on average 1.3952225841476655) internal successors, (1285), 921 states have internal predecessors, (1285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:32,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 922 states and 1285 transitions. [2021-12-06 20:56:32,360 INFO L78 Accepts]: Start accepts. Automaton has 922 states and 1285 transitions. Word has length 73 [2021-12-06 20:56:32,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:56:32,361 INFO L470 AbstractCegarLoop]: Abstraction has 922 states and 1285 transitions. [2021-12-06 20:56:32,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:32,361 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1285 transitions. [2021-12-06 20:56:32,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-12-06 20:56:32,362 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:32,362 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:56:32,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2021-12-06 20:56:32,563 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:56:32,563 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:32,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:32,563 INFO L85 PathProgramCache]: Analyzing trace with hash 328393676, now seen corresponding path program 1 times [2021-12-06 20:56:32,564 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:56:32,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [949901615] [2021-12-06 20:56:32,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:32,564 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:56:32,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:56:32,564 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:56:32,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-12-06 20:56:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:56:32,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:56:32,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:56:32,654 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2021-12-06 20:56:32,654 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:56:32,655 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:56:32,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [949901615] [2021-12-06 20:56:32,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [949901615] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:56:32,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:56:32,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:56:32,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354450505] [2021-12-06 20:56:32,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:56:32,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:56:32,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:56:32,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:56:32,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:56:32,656 INFO L87 Difference]: Start difference. First operand 922 states and 1285 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:32,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:56:32,679 INFO L93 Difference]: Finished difference Result 1792 states and 2503 transitions. [2021-12-06 20:56:32,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:56:32,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2021-12-06 20:56:32,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:56:32,683 INFO L225 Difference]: With dead ends: 1792 [2021-12-06 20:56:32,683 INFO L226 Difference]: Without dead ends: 936 [2021-12-06 20:56:32,685 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:56:32,685 INFO L933 BasicCegarLoop]: 168 mSDtfsCounter, 148 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:56:32,685 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 172 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:56:32,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2021-12-06 20:56:32,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 928. [2021-12-06 20:56:32,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 928 states, 927 states have (on average 1.3807982740021576) internal successors, (1280), 927 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:32,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1280 transitions. [2021-12-06 20:56:32,713 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1280 transitions. Word has length 75 [2021-12-06 20:56:32,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:56:32,713 INFO L470 AbstractCegarLoop]: Abstraction has 928 states and 1280 transitions. [2021-12-06 20:56:32,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:32,713 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1280 transitions. [2021-12-06 20:56:32,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-12-06 20:56:32,714 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:32,714 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:56:32,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-12-06 20:56:32,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:56:32,915 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:32,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:32,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1251779988, now seen corresponding path program 1 times [2021-12-06 20:56:32,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:56:32,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1286489646] [2021-12-06 20:56:32,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:32,916 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:56:32,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:56:32,917 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:56:32,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-12-06 20:56:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:56:32,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:56:32,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:56:33,037 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-12-06 20:56:33,037 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:56:33,037 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:56:33,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1286489646] [2021-12-06 20:56:33,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1286489646] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:56:33,037 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:56:33,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:56:33,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139883852] [2021-12-06 20:56:33,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:56:33,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:56:33,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:56:33,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:56:33,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:56:33,039 INFO L87 Difference]: Start difference. First operand 928 states and 1280 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:33,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:56:33,079 INFO L93 Difference]: Finished difference Result 2716 states and 3727 transitions. [2021-12-06 20:56:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:56:33,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 79 [2021-12-06 20:56:33,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:56:33,089 INFO L225 Difference]: With dead ends: 2716 [2021-12-06 20:56:33,090 INFO L226 Difference]: Without dead ends: 1808 [2021-12-06 20:56:33,091 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:56:33,092 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 133 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:56:33,092 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 326 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:56:33,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1808 states. [2021-12-06 20:56:33,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1808 to 1806. [2021-12-06 20:56:33,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1806 states, 1805 states have (on average 1.3573407202216066) internal successors, (2450), 1805 states have internal predecessors, (2450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:33,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2450 transitions. [2021-12-06 20:56:33,145 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2450 transitions. Word has length 79 [2021-12-06 20:56:33,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:56:33,145 INFO L470 AbstractCegarLoop]: Abstraction has 1806 states and 2450 transitions. [2021-12-06 20:56:33,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:33,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2450 transitions. [2021-12-06 20:56:33,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-12-06 20:56:33,147 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:33,147 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:56:33,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2021-12-06 20:56:33,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:56:33,348 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:33,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:33,348 INFO L85 PathProgramCache]: Analyzing trace with hash -2117921424, now seen corresponding path program 1 times [2021-12-06 20:56:33,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:56:33,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [892527150] [2021-12-06 20:56:33,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:33,348 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:56:33,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:56:33,349 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:56:33,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-12-06 20:56:33,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:56:33,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:56:33,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:56:33,466 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-06 20:56:33,467 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:56:33,467 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:56:33,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [892527150] [2021-12-06 20:56:33,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [892527150] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:56:33,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:56:33,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:56:33,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123963447] [2021-12-06 20:56:33,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:56:33,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:56:33,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:56:33,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:56:33,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:56:33,468 INFO L87 Difference]: Start difference. First operand 1806 states and 2450 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:33,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:56:33,510 INFO L93 Difference]: Finished difference Result 2698 states and 3652 transitions. [2021-12-06 20:56:33,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:56:33,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2021-12-06 20:56:33,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:56:33,518 INFO L225 Difference]: With dead ends: 2698 [2021-12-06 20:56:33,518 INFO L226 Difference]: Without dead ends: 1808 [2021-12-06 20:56:33,519 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:56:33,520 INFO L933 BasicCegarLoop]: 321 mSDtfsCounter, 122 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:56:33,520 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 480 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:56:33,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1808 states. [2021-12-06 20:56:33,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1808 to 1806. [2021-12-06 20:56:33,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1806 states, 1805 states have (on average 1.3445983379501385) internal successors, (2427), 1805 states have internal predecessors, (2427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:33,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2427 transitions. [2021-12-06 20:56:33,566 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2427 transitions. Word has length 80 [2021-12-06 20:56:33,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:56:33,566 INFO L470 AbstractCegarLoop]: Abstraction has 1806 states and 2427 transitions. [2021-12-06 20:56:33,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:33,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2427 transitions. [2021-12-06 20:56:33,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-12-06 20:56:33,568 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:33,568 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:56:33,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2021-12-06 20:56:33,769 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:56:33,769 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:33,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:33,769 INFO L85 PathProgramCache]: Analyzing trace with hash 210032922, now seen corresponding path program 1 times [2021-12-06 20:56:33,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:56:33,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1117742311] [2021-12-06 20:56:33,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:33,770 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:56:33,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:56:33,770 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:56:33,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-12-06 20:56:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:56:33,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 20:56:33,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:56:33,937 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-12-06 20:56:33,938 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:56:34,090 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-12-06 20:56:34,090 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:56:34,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1117742311] [2021-12-06 20:56:34,090 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1117742311] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:56:34,090 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:56:34,091 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-12-06 20:56:34,091 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328214073] [2021-12-06 20:56:34,091 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:56:34,091 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:56:34,091 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:56:34,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:56:34,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:56:34,092 INFO L87 Difference]: Start difference. First operand 1806 states and 2427 transitions. Second operand has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:34,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:56:34,220 INFO L93 Difference]: Finished difference Result 3533 states and 4858 transitions. [2021-12-06 20:56:34,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 20:56:34,221 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2021-12-06 20:56:34,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:56:34,232 INFO L225 Difference]: With dead ends: 3533 [2021-12-06 20:56:34,233 INFO L226 Difference]: Without dead ends: 2157 [2021-12-06 20:56:34,235 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:56:34,236 INFO L933 BasicCegarLoop]: 156 mSDtfsCounter, 145 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 145 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:56:34,236 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 413 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 47 Invalid, 0 Unknown, 145 Unchecked, 0.1s Time] [2021-12-06 20:56:34,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2157 states. [2021-12-06 20:56:34,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2157 to 1955. [2021-12-06 20:56:34,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1955 states, 1954 states have (on average 1.373080859774821) internal successors, (2683), 1954 states have internal predecessors, (2683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:34,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1955 states and 2683 transitions. [2021-12-06 20:56:34,313 INFO L78 Accepts]: Start accepts. Automaton has 1955 states and 2683 transitions. Word has length 81 [2021-12-06 20:56:34,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:56:34,313 INFO L470 AbstractCegarLoop]: Abstraction has 1955 states and 2683 transitions. [2021-12-06 20:56:34,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:34,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1955 states and 2683 transitions. [2021-12-06 20:56:34,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-12-06 20:56:34,317 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:34,317 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:56:34,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-12-06 20:56:34,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:56:34,518 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:34,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:34,519 INFO L85 PathProgramCache]: Analyzing trace with hash -913619447, now seen corresponding path program 1 times [2021-12-06 20:56:34,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:56:34,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1940301917] [2021-12-06 20:56:34,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:34,520 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:56:34,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:56:34,521 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:56:34,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-12-06 20:56:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:56:34,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:56:34,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:56:34,699 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 43 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-06 20:56:34,700 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:56:34,813 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 43 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-06 20:56:34,814 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:56:34,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1940301917] [2021-12-06 20:56:34,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1940301917] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:56:34,814 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:56:34,814 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-12-06 20:56:34,814 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013876389] [2021-12-06 20:56:34,814 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:56:34,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:56:34,815 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:56:34,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:56:34,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:56:34,815 INFO L87 Difference]: Start difference. First operand 1955 states and 2683 transitions. Second operand has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:34,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:56:34,929 INFO L93 Difference]: Finished difference Result 3798 states and 5258 transitions. [2021-12-06 20:56:34,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 20:56:34,930 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2021-12-06 20:56:34,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:56:34,937 INFO L225 Difference]: With dead ends: 3798 [2021-12-06 20:56:34,938 INFO L226 Difference]: Without dead ends: 2252 [2021-12-06 20:56:34,939 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:56:34,940 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 167 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 136 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:56:34,940 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [167 Valid, 436 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 64 Invalid, 0 Unknown, 136 Unchecked, 0.1s Time] [2021-12-06 20:56:34,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2252 states. [2021-12-06 20:56:34,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2252 to 2100. [2021-12-06 20:56:34,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2100 states, 2099 states have (on average 1.3611243449261554) internal successors, (2857), 2099 states have internal predecessors, (2857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:34,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2857 transitions. [2021-12-06 20:56:34,993 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2857 transitions. Word has length 86 [2021-12-06 20:56:34,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:56:34,994 INFO L470 AbstractCegarLoop]: Abstraction has 2100 states and 2857 transitions. [2021-12-06 20:56:34,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 6 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:34,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2857 transitions. [2021-12-06 20:56:34,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-12-06 20:56:34,996 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:34,996 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:56:35,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2021-12-06 20:56:35,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:56:35,197 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:35,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:35,198 INFO L85 PathProgramCache]: Analyzing trace with hash 751712707, now seen corresponding path program 1 times [2021-12-06 20:56:35,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:56:35,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [829061403] [2021-12-06 20:56:35,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:35,198 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:56:35,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:56:35,199 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:56:35,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-12-06 20:56:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:56:35,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:56:35,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:56:35,352 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 41 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-06 20:56:35,352 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:56:35,470 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 41 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-06 20:56:35,470 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:56:35,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [829061403] [2021-12-06 20:56:35,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [829061403] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:56:35,471 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:56:35,471 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-12-06 20:56:35,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850058236] [2021-12-06 20:56:35,471 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:56:35,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:56:35,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:56:35,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:56:35,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:56:35,472 INFO L87 Difference]: Start difference. First operand 2100 states and 2857 transitions. Second operand has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:35,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:56:35,517 INFO L93 Difference]: Finished difference Result 2599 states and 3586 transitions. [2021-12-06 20:56:35,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:56:35,518 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2021-12-06 20:56:35,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:56:35,527 INFO L225 Difference]: With dead ends: 2599 [2021-12-06 20:56:35,527 INFO L226 Difference]: Without dead ends: 2112 [2021-12-06 20:56:35,528 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-06 20:56:35,528 INFO L933 BasicCegarLoop]: 164 mSDtfsCounter, 47 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 103 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:56:35,529 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 476 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 103 Unchecked, 0.0s Time] [2021-12-06 20:56:35,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2112 states. [2021-12-06 20:56:35,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2112 to 2112. [2021-12-06 20:56:35,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2112 states, 2111 states have (on average 1.3619137849360492) internal successors, (2875), 2111 states have internal predecessors, (2875), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:35,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 2112 states and 2875 transitions. [2021-12-06 20:56:35,592 INFO L78 Accepts]: Start accepts. Automaton has 2112 states and 2875 transitions. Word has length 88 [2021-12-06 20:56:35,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:56:35,592 INFO L470 AbstractCegarLoop]: Abstraction has 2112 states and 2875 transitions. [2021-12-06 20:56:35,593 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:35,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2112 states and 2875 transitions. [2021-12-06 20:56:35,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-06 20:56:35,595 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:35,595 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:56:35,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (17)] Ended with exit code 0 [2021-12-06 20:56:35,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:56:35,796 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:35,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:35,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1734054716, now seen corresponding path program 1 times [2021-12-06 20:56:35,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:56:35,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1935051730] [2021-12-06 20:56:35,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:35,798 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:56:35,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:56:35,800 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:56:35,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-12-06 20:56:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:56:35,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:56:35,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:56:35,971 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 42 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-06 20:56:35,972 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:56:36,076 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 42 proven. 25 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-06 20:56:36,076 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:56:36,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1935051730] [2021-12-06 20:56:36,076 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1935051730] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:56:36,076 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:56:36,076 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-12-06 20:56:36,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89254919] [2021-12-06 20:56:36,077 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:56:36,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:56:36,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:56:36,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:56:36,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:56:36,077 INFO L87 Difference]: Start difference. First operand 2112 states and 2875 transitions. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:36,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:56:36,177 INFO L93 Difference]: Finished difference Result 3868 states and 5329 transitions. [2021-12-06 20:56:36,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 20:56:36,177 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2021-12-06 20:56:36,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:56:36,185 INFO L225 Difference]: With dead ends: 3868 [2021-12-06 20:56:36,185 INFO L226 Difference]: Without dead ends: 2322 [2021-12-06 20:56:36,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:56:36,187 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 148 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 142 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:56:36,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 578 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 64 Invalid, 0 Unknown, 142 Unchecked, 0.1s Time] [2021-12-06 20:56:36,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2322 states. [2021-12-06 20:56:36,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2322 to 2112. [2021-12-06 20:56:36,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2112 states, 2111 states have (on average 1.354334438654666) internal successors, (2859), 2111 states have internal predecessors, (2859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:36,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2112 states to 2112 states and 2859 transitions. [2021-12-06 20:56:36,238 INFO L78 Accepts]: Start accepts. Automaton has 2112 states and 2859 transitions. Word has length 89 [2021-12-06 20:56:36,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:56:36,238 INFO L470 AbstractCegarLoop]: Abstraction has 2112 states and 2859 transitions. [2021-12-06 20:56:36,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:36,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2112 states and 2859 transitions. [2021-12-06 20:56:36,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-12-06 20:56:36,241 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:36,241 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:56:36,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (18)] Ended with exit code 0 [2021-12-06 20:56:36,441 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:56:36,442 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:36,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:36,444 INFO L85 PathProgramCache]: Analyzing trace with hash 362542619, now seen corresponding path program 1 times [2021-12-06 20:56:36,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:56:36,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [442079141] [2021-12-06 20:56:36,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:36,446 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:56:36,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:56:36,448 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:56:36,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-12-06 20:56:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:56:36,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:56:36,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:56:36,653 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-12-06 20:56:36,653 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:56:36,653 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:56:36,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [442079141] [2021-12-06 20:56:36,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [442079141] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:56:36,653 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:56:36,653 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:56:36,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033393649] [2021-12-06 20:56:36,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:56:36,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:56:36,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:56:36,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:56:36,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:56:36,654 INFO L87 Difference]: Start difference. First operand 2112 states and 2859 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:36,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:56:36,694 INFO L93 Difference]: Finished difference Result 2942 states and 3987 transitions. [2021-12-06 20:56:36,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:56:36,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2021-12-06 20:56:36,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:56:36,702 INFO L225 Difference]: With dead ends: 2942 [2021-12-06 20:56:36,702 INFO L226 Difference]: Without dead ends: 2060 [2021-12-06 20:56:36,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:56:36,704 INFO L933 BasicCegarLoop]: 305 mSDtfsCounter, 136 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:56:36,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 461 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:56:36,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2060 states. [2021-12-06 20:56:36,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2060 to 2058. [2021-12-06 20:56:36,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2058 states, 2057 states have (on average 1.3388429752066116) internal successors, (2754), 2057 states have internal predecessors, (2754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:36,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 2058 states and 2754 transitions. [2021-12-06 20:56:36,750 INFO L78 Accepts]: Start accepts. Automaton has 2058 states and 2754 transitions. Word has length 90 [2021-12-06 20:56:36,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:56:36,750 INFO L470 AbstractCegarLoop]: Abstraction has 2058 states and 2754 transitions. [2021-12-06 20:56:36,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:36,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 2754 transitions. [2021-12-06 20:56:36,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-12-06 20:56:36,753 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:36,754 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 3, 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] [2021-12-06 20:56:36,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2021-12-06 20:56:36,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:56:36,955 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:36,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:36,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1147874306, now seen corresponding path program 1 times [2021-12-06 20:56:36,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:56:36,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [74156813] [2021-12-06 20:56:36,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:36,957 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:56:36,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:56:36,960 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:56:36,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-12-06 20:56:37,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:56:37,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:56:37,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:56:37,183 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 81 proven. 24 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-06 20:56:37,183 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:56:37,299 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 81 proven. 24 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-06 20:56:37,299 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:56:37,299 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [74156813] [2021-12-06 20:56:37,299 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [74156813] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:56:37,299 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:56:37,299 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-12-06 20:56:37,299 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221593605] [2021-12-06 20:56:37,299 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:56:37,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:56:37,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:56:37,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:56:37,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:56:37,301 INFO L87 Difference]: Start difference. First operand 2058 states and 2754 transitions. Second operand has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:37,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:56:37,470 INFO L93 Difference]: Finished difference Result 4426 states and 6040 transitions. [2021-12-06 20:56:37,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 20:56:37,470 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-12-06 20:56:37,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:56:37,480 INFO L225 Difference]: With dead ends: 4426 [2021-12-06 20:56:37,480 INFO L226 Difference]: Without dead ends: 2880 [2021-12-06 20:56:37,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:56:37,482 INFO L933 BasicCegarLoop]: 112 mSDtfsCounter, 380 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 158 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:56:37,482 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [380 Valid, 436 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 148 Invalid, 0 Unknown, 158 Unchecked, 0.1s Time] [2021-12-06 20:56:37,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2880 states. [2021-12-06 20:56:37,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2880 to 2778. [2021-12-06 20:56:37,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2778 states, 2777 states have (on average 1.3539791141519626) internal successors, (3760), 2777 states have internal predecessors, (3760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:37,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2778 states to 2778 states and 3760 transitions. [2021-12-06 20:56:37,554 INFO L78 Accepts]: Start accepts. Automaton has 2778 states and 3760 transitions. Word has length 100 [2021-12-06 20:56:37,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:56:37,555 INFO L470 AbstractCegarLoop]: Abstraction has 2778 states and 3760 transitions. [2021-12-06 20:56:37,555 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:37,555 INFO L276 IsEmpty]: Start isEmpty. Operand 2778 states and 3760 transitions. [2021-12-06 20:56:37,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-12-06 20:56:37,557 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:37,557 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2021-12-06 20:56:37,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (20)] Ended with exit code 0 [2021-12-06 20:56:37,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:56:37,759 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:37,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:37,760 INFO L85 PathProgramCache]: Analyzing trace with hash -355224684, now seen corresponding path program 1 times [2021-12-06 20:56:37,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:56:37,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [309523290] [2021-12-06 20:56:37,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:37,762 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:56:37,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:56:37,764 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:56:37,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-12-06 20:56:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:56:37,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:56:37,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:56:37,963 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 81 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-06 20:56:37,963 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:56:38,100 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 81 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-06 20:56:38,100 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:56:38,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [309523290] [2021-12-06 20:56:38,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [309523290] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:56:38,101 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:56:38,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-12-06 20:56:38,101 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253639897] [2021-12-06 20:56:38,101 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:56:38,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:56:38,101 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:56:38,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:56:38,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:56:38,102 INFO L87 Difference]: Start difference. First operand 2778 states and 3760 transitions. Second operand has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:38,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:56:38,217 INFO L93 Difference]: Finished difference Result 5163 states and 7049 transitions. [2021-12-06 20:56:38,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 20:56:38,218 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2021-12-06 20:56:38,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:56:38,228 INFO L225 Difference]: With dead ends: 5163 [2021-12-06 20:56:38,228 INFO L226 Difference]: Without dead ends: 2897 [2021-12-06 20:56:38,229 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:56:38,230 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 154 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 90 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:56:38,230 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [154 Valid, 430 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 63 Invalid, 0 Unknown, 90 Unchecked, 0.1s Time] [2021-12-06 20:56:38,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2897 states. [2021-12-06 20:56:38,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2897 to 2779. [2021-12-06 20:56:38,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2779 states, 2778 states have (on average 1.3444924406047516) internal successors, (3735), 2778 states have internal predecessors, (3735), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:38,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 3735 transitions. [2021-12-06 20:56:38,288 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 3735 transitions. Word has length 101 [2021-12-06 20:56:38,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:56:38,288 INFO L470 AbstractCegarLoop]: Abstraction has 2779 states and 3735 transitions. [2021-12-06 20:56:38,288 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.666666666666668) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:38,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3735 transitions. [2021-12-06 20:56:38,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-12-06 20:56:38,291 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:38,291 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:56:38,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (21)] Ended with exit code 0 [2021-12-06 20:56:38,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:56:38,492 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:38,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:38,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1529586067, now seen corresponding path program 1 times [2021-12-06 20:56:38,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:56:38,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [125441566] [2021-12-06 20:56:38,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:38,495 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:56:38,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:56:38,497 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:56:38,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-12-06 20:56:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:56:38,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 20:56:38,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:56:38,672 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 82 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-06 20:56:38,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:56:38,807 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 82 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-12-06 20:56:38,807 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:56:38,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [125441566] [2021-12-06 20:56:38,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [125441566] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:56:38,808 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:56:38,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-12-06 20:56:38,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070837073] [2021-12-06 20:56:38,808 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:56:38,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:56:38,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:56:38,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:56:38,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:56:38,809 INFO L87 Difference]: Start difference. First operand 2779 states and 3735 transitions. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:38,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:56:38,930 INFO L93 Difference]: Finished difference Result 5163 states and 6998 transitions. [2021-12-06 20:56:38,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 20:56:38,930 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2021-12-06 20:56:38,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:56:38,944 INFO L225 Difference]: With dead ends: 5163 [2021-12-06 20:56:38,944 INFO L226 Difference]: Without dead ends: 2897 [2021-12-06 20:56:38,946 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:56:38,946 INFO L933 BasicCegarLoop]: 155 mSDtfsCounter, 136 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 115 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:56:38,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 559 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 68 Invalid, 0 Unknown, 115 Unchecked, 0.1s Time] [2021-12-06 20:56:38,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2897 states. [2021-12-06 20:56:38,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2897 to 2779. [2021-12-06 20:56:38,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2779 states, 2778 states have (on average 1.3347732181425487) internal successors, (3708), 2778 states have internal predecessors, (3708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:39,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 3708 transitions. [2021-12-06 20:56:39,000 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 3708 transitions. Word has length 102 [2021-12-06 20:56:39,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:56:39,000 INFO L470 AbstractCegarLoop]: Abstraction has 2779 states and 3708 transitions. [2021-12-06 20:56:39,000 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:39,000 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3708 transitions. [2021-12-06 20:56:39,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-12-06 20:56:39,002 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:39,002 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:56:39,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (22)] Ended with exit code 0 [2021-12-06 20:56:39,203 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:56:39,203 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:39,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:39,204 INFO L85 PathProgramCache]: Analyzing trace with hash -2140745463, now seen corresponding path program 1 times [2021-12-06 20:56:39,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:56:39,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1927729719] [2021-12-06 20:56:39,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:39,205 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:56:39,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:56:39,206 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:56:39,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-12-06 20:56:39,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:56:39,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 20:56:39,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:56:39,346 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 55 proven. 33 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-12-06 20:56:39,346 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:56:39,470 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 55 proven. 33 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-12-06 20:56:39,470 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:56:39,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1927729719] [2021-12-06 20:56:39,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1927729719] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:56:39,470 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:56:39,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-12-06 20:56:39,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459763980] [2021-12-06 20:56:39,470 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:56:39,471 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:56:39,471 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:56:39,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:56:39,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:56:39,471 INFO L87 Difference]: Start difference. First operand 2779 states and 3708 transitions. Second operand has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:39,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:56:39,571 INFO L93 Difference]: Finished difference Result 3286 states and 4408 transitions. [2021-12-06 20:56:39,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 20:56:39,572 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2021-12-06 20:56:39,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:56:39,579 INFO L225 Difference]: With dead ends: 3286 [2021-12-06 20:56:39,579 INFO L226 Difference]: Without dead ends: 2904 [2021-12-06 20:56:39,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:56:39,580 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 139 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 105 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:56:39,580 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 408 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 52 Invalid, 0 Unknown, 105 Unchecked, 0.1s Time] [2021-12-06 20:56:39,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2904 states. [2021-12-06 20:56:39,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2904 to 2779. [2021-12-06 20:56:39,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2779 states, 2778 states have (on average 1.3344132469402448) internal successors, (3707), 2778 states have internal predecessors, (3707), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:39,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2779 states and 3707 transitions. [2021-12-06 20:56:39,642 INFO L78 Accepts]: Start accepts. Automaton has 2779 states and 3707 transitions. Word has length 102 [2021-12-06 20:56:39,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:56:39,642 INFO L470 AbstractCegarLoop]: Abstraction has 2779 states and 3707 transitions. [2021-12-06 20:56:39,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:39,642 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3707 transitions. [2021-12-06 20:56:39,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-12-06 20:56:39,645 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:39,645 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:56:39,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (23)] Ended with exit code 0 [2021-12-06 20:56:39,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:56:39,846 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:39,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:39,847 INFO L85 PathProgramCache]: Analyzing trace with hash 88427331, now seen corresponding path program 1 times [2021-12-06 20:56:39,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:56:39,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1130177817] [2021-12-06 20:56:39,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:39,850 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:56:39,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:56:39,852 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:56:39,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-12-06 20:56:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:56:39,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 20:56:39,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:56:40,031 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 53 proven. 33 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-12-06 20:56:40,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 20:56:40,157 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 53 proven. 33 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-12-06 20:56:40,157 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:56:40,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1130177817] [2021-12-06 20:56:40,157 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1130177817] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 20:56:40,157 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 20:56:40,158 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-12-06 20:56:40,158 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786078266] [2021-12-06 20:56:40,158 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 20:56:40,158 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 20:56:40,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:56:40,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 20:56:40,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 20:56:40,159 INFO L87 Difference]: Start difference. First operand 2779 states and 3707 transitions. Second operand has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:40,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:56:40,274 INFO L93 Difference]: Finished difference Result 5381 states and 7266 transitions. [2021-12-06 20:56:40,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 20:56:40,275 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2021-12-06 20:56:40,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:56:40,280 INFO L225 Difference]: With dead ends: 5381 [2021-12-06 20:56:40,280 INFO L226 Difference]: Without dead ends: 3115 [2021-12-06 20:56:40,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-12-06 20:56:40,283 INFO L933 BasicCegarLoop]: 159 mSDtfsCounter, 122 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 93 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 20:56:40,283 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 568 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 64 Invalid, 0 Unknown, 93 Unchecked, 0.1s Time] [2021-12-06 20:56:40,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3115 states. [2021-12-06 20:56:40,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3115 to 2986. [2021-12-06 20:56:40,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2986 states, 2985 states have (on average 1.338358458961474) internal successors, (3995), 2985 states have internal predecessors, (3995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:40,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2986 states and 3995 transitions. [2021-12-06 20:56:40,348 INFO L78 Accepts]: Start accepts. Automaton has 2986 states and 3995 transitions. Word has length 104 [2021-12-06 20:56:40,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:56:40,348 INFO L470 AbstractCegarLoop]: Abstraction has 2986 states and 3995 transitions. [2021-12-06 20:56:40,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 6 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:40,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2986 states and 3995 transitions. [2021-12-06 20:56:40,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-12-06 20:56:40,350 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:40,350 INFO L514 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] [2021-12-06 20:56:40,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (24)] Ended with exit code 0 [2021-12-06 20:56:40,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:56:40,551 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:40,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:40,553 INFO L85 PathProgramCache]: Analyzing trace with hash 2022672797, now seen corresponding path program 1 times [2021-12-06 20:56:40,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:56:40,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [249037885] [2021-12-06 20:56:40,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:40,554 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:56:40,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:56:40,556 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:56:40,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-12-06 20:56:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:56:40,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:56:40,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:56:40,743 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-12-06 20:56:40,743 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:56:40,743 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 20:56:40,744 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [249037885] [2021-12-06 20:56:40,744 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [249037885] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:56:40,744 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:56:40,744 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:56:40,744 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937104555] [2021-12-06 20:56:40,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:56:40,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:56:40,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 20:56:40,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:56:40,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:56:40,745 INFO L87 Difference]: Start difference. First operand 2986 states and 3995 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:40,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:56:40,842 INFO L93 Difference]: Finished difference Result 8554 states and 11537 transitions. [2021-12-06 20:56:40,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:56:40,843 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2021-12-06 20:56:40,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:56:40,850 INFO L225 Difference]: With dead ends: 8554 [2021-12-06 20:56:40,850 INFO L226 Difference]: Without dead ends: 5749 [2021-12-06 20:56:40,852 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 20:56:40,852 INFO L933 BasicCegarLoop]: 203 mSDtfsCounter, 123 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 20:56:40,853 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [123 Valid, 358 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 20:56:40,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5749 states. [2021-12-06 20:56:40,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5749 to 5725. [2021-12-06 20:56:40,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5725 states, 5724 states have (on average 1.3338574423480083) internal successors, (7635), 5724 states have internal predecessors, (7635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:40,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5725 states to 5725 states and 7635 transitions. [2021-12-06 20:56:40,989 INFO L78 Accepts]: Start accepts. Automaton has 5725 states and 7635 transitions. Word has length 104 [2021-12-06 20:56:40,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:56:40,989 INFO L470 AbstractCegarLoop]: Abstraction has 5725 states and 7635 transitions. [2021-12-06 20:56:40,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:56:40,990 INFO L276 IsEmpty]: Start isEmpty. Operand 5725 states and 7635 transitions. [2021-12-06 20:56:40,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-12-06 20:56:40,994 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:56:40,994 INFO L514 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] [2021-12-06 20:56:41,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (25)] Ended with exit code 0 [2021-12-06 20:56:41,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:56:41,195 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:56:41,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:56:41,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1888659291, now seen corresponding path program 1 times [2021-12-06 20:56:41,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 20:56:41,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [527903563] [2021-12-06 20:56:41,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:56:41,198 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 20:56:41,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 20:56:41,200 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 20:56:41,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-12-06 20:56:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:56:41,328 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 20:56:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 20:56:41,449 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-12-06 20:56:41,449 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 20:56:41,450 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 20:56:41,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (26)] Ended with exit code 0 [2021-12-06 20:56:41,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 20:56:41,661 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:56:41,669 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 20:56:41,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 08:56:41 BoogieIcfgContainer [2021-12-06 20:56:41,770 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 20:56:41,771 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 20:56:41,771 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 20:56:41,771 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 20:56:41,771 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:56:26" (3/4) ... [2021-12-06 20:56:41,772 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-06 20:56:41,854 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 20:56:41,854 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 20:56:41,855 INFO L158 Benchmark]: Toolchain (without parser) took 15702.59ms. Allocated memory was 67.1MB in the beginning and 249.6MB in the end (delta: 182.5MB). Free memory was 46.5MB in the beginning and 71.9MB in the end (delta: -25.4MB). Peak memory consumption was 156.7MB. Max. memory is 16.1GB. [2021-12-06 20:56:41,855 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 67.1MB. Free memory was 47.3MB in the beginning and 47.3MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 20:56:41,855 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.72ms. Allocated memory is still 67.1MB. Free memory was 46.1MB in the beginning and 44.8MB in the end (delta: 1.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 20:56:41,856 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.63ms. Allocated memory is still 67.1MB. Free memory was 44.8MB in the beginning and 42.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 20:56:41,856 INFO L158 Benchmark]: Boogie Preprocessor took 27.82ms. Allocated memory is still 67.1MB. Free memory was 42.1MB in the beginning and 40.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 20:56:41,856 INFO L158 Benchmark]: RCFGBuilder took 448.61ms. Allocated memory is still 67.1MB. Free memory was 40.0MB in the beginning and 37.6MB in the end (delta: 2.4MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2021-12-06 20:56:41,856 INFO L158 Benchmark]: TraceAbstraction took 14857.99ms. Allocated memory was 67.1MB in the beginning and 249.6MB in the end (delta: 182.5MB). Free memory was 37.2MB in the beginning and 91.8MB in the end (delta: -54.6MB). Peak memory consumption was 127.9MB. Max. memory is 16.1GB. [2021-12-06 20:56:41,856 INFO L158 Benchmark]: Witness Printer took 83.61ms. Allocated memory is still 249.6MB. Free memory was 91.8MB in the beginning and 71.9MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-06 20:56:41,858 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 67.1MB. Free memory was 47.3MB in the beginning and 47.3MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.72ms. Allocated memory is still 67.1MB. Free memory was 46.1MB in the beginning and 44.8MB in the end (delta: 1.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.63ms. Allocated memory is still 67.1MB. Free memory was 44.8MB in the beginning and 42.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.82ms. Allocated memory is still 67.1MB. Free memory was 42.1MB in the beginning and 40.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 448.61ms. Allocated memory is still 67.1MB. Free memory was 40.0MB in the beginning and 37.6MB in the end (delta: 2.4MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * TraceAbstraction took 14857.99ms. Allocated memory was 67.1MB in the beginning and 249.6MB in the end (delta: 182.5MB). Free memory was 37.2MB in the beginning and 91.8MB in the end (delta: -54.6MB). Peak memory consumption was 127.9MB. Max. memory is 16.1GB. * Witness Printer took 83.61ms. Allocated memory is still 249.6MB. Free memory was 91.8MB in the beginning and 71.9MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 624]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L633] int __retres1 ; [L637] CALL ssl3_connect() [L19] int s__info_callback = __VERIFIER_nondet_int(); [L20] unsigned int s__in_handshake = __VERIFIER_nondet_uint(); [L21] int s__state ; [L22] int s__new_session ; [L23] int s__server ; [L24] unsigned int s__version = __VERIFIER_nondet_uint(); [L25] int s__type ; [L26] int s__init_num ; [L27] int s__bbio = __VERIFIER_nondet_int(); [L28] int s__wbio = __VERIFIER_nondet_int(); [L29] int s__hit = __VERIFIER_nondet_int(); [L30] int s__rwstate ; [L31] int s__init_buf___0 = __VERIFIER_nondet_int(); [L32] int s__debug = __VERIFIER_nondet_int(); [L33] int s__shutdown ; [L34] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L35] unsigned int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_uint(); [L36] unsigned int s__ctx__stats__sess_connect = __VERIFIER_nondet_uint(); [L37] unsigned int s__ctx__stats__sess_hit = __VERIFIER_nondet_uint(); [L38] unsigned int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_uint(); [L39] int s__s3__change_cipher_spec ; [L40] int s__s3__flags = __VERIFIER_nondet_int(); [L41] int s__s3__delay_buf_pop_ret ; [L42] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L43] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L44] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L45] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L46] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L47] int s__s3__tmp__next_state___0 ; [L48] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int(); [L49] int s__session__cipher ; [L50] int s__session__compress_meth ; [L51] int buf ; [L52] unsigned long tmp ; [L53] unsigned long l ; [L54] int num1 = __VERIFIER_nondet_int(); [L55] int cb ; [L56] int ret ; [L57] int new_state ; [L58] int state ; [L59] int skip ; [L60] int tmp___0 ; [L61] unsigned int tmp___1 = __VERIFIER_nondet_uint(); [L62] unsigned int tmp___2 = __VERIFIER_nondet_uint(); [L63] int tmp___3 = __VERIFIER_nondet_int(); [L64] int tmp___4 = __VERIFIER_nondet_int(); [L65] int tmp___5 = __VERIFIER_nondet_int(); [L66] int tmp___6 = __VERIFIER_nondet_int(); [L67] int tmp___7 = __VERIFIER_nondet_int(); [L68] int tmp___8 = __VERIFIER_nondet_int(); [L69] int tmp___9 = __VERIFIER_nondet_int(); [L70] int blastFlag ; [L71] int ag_X ; [L72] int ag_Y ; [L73] int ag_Z ; [L74] int __retres60 ; [L77] s__state = 12292 [L78] blastFlag = 0 [L79] tmp = __VERIFIER_nondet_int() [L80] cb = 0 [L81] ret = -1 [L82] skip = 0 [L83] tmp___0 = 0 VAL [blastFlag=0, cb=0, ret=4294967295, s__state=12292, skip=0, tmp___0=0] [L84] COND TRUE s__info_callback != 0 [L85] cb = s__info_callback VAL [blastFlag=0, cb=2, ret=4294967295, s__info_callback=2, s__state=12292, skip=0, tmp___0=0] [L93] s__in_handshake = s__in_handshake + 1 VAL [blastFlag=0, cb=2, ret=4294967295, s__in_handshake=1, s__info_callback=2, s__state=12292, skip=0, tmp___0=0] [L94] COND FALSE !(tmp___1 + 12288) VAL [blastFlag=0, cb=2, ret=4294967295, s__in_handshake=1, s__info_callback=2, s__state=12292, skip=0, tmp___0=0, tmp___1=4294955008] [L103] COND FALSE !(\read(s__hit)) [L106] ag_Z = 48 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__hit=0, s__in_handshake=1, s__info_callback=2, s__state=12292, skip=0, tmp___0=0, tmp___1=4294955008] [L109] COND TRUE 1 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__hit=0, s__in_handshake=1, s__info_callback=2, s__state=12292, skip=0, tmp___0=0, tmp___1=4294955008] [L111] state = s__state VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__hit=0, s__in_handshake=1, s__info_callback=2, s__state=12292, skip=0, state=12292, tmp___0=0, tmp___1=4294955008] [L112] COND TRUE s__state == 12292 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__hit=0, s__in_handshake=1, s__info_callback=2, s__state=12292, skip=0, state=12292, tmp___0=0, tmp___1=4294955008] [L215] s__new_session = 1 [L216] s__state = 4096 [L217] s__ctx__stats__sess_connect_renegotiate = s__ctx__stats__sess_connect_renegotiate + 1 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__new_session=1, s__state=4096, skip=0, state=12292, tmp___0=0, tmp___1=4294955008] [L222] s__server = 0 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__new_session=1, s__server=0, s__state=4096, skip=0, state=12292, tmp___0=0, tmp___1=4294955008] [L223] COND TRUE cb != 0 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__new_session=1, s__server=0, s__state=4096, skip=0, state=12292, tmp___0=0, tmp___1=4294955008] [L228] COND FALSE !(s__version + 65280 != 768) [L234] s__type = 4096 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__new_session=1, s__server=0, s__state=4096, s__type=4096, s__version=4294902784, skip=0, state=12292, tmp___0=0, tmp___1=4294955008] [L235] COND FALSE !((unsigned long )s__init_buf___0 == (unsigned long )((void *)0)) VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__new_session=1, s__server=0, s__state=4096, s__type=4096, s__version=4294902784, skip=0, state=12292, tmp___0=0, tmp___1=4294955008] [L253] COND FALSE !(! tmp___4) VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__new_session=1, s__server=0, s__state=4096, s__type=4096, s__version=4294902784, skip=0, state=12292, tmp___0=0, tmp___1=4294955008, tmp___4=2] [L259] COND FALSE !(! tmp___5) [L265] s__state = 4368 [L266] s__ctx__stats__sess_connect = s__ctx__stats__sess_connect + 1 [L267] s__init_num = 0 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=12292, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L582] COND FALSE !(! s__s3__tmp__reuse_message) VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=12292, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L611] skip = 0 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=12292, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L109] COND TRUE 1 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=12292, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L111] state = s__state VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L112] COND FALSE !(s__state == 12292) VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L115] COND FALSE !(s__state == 16384) VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L118] COND FALSE !(s__state == 4096) VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L121] COND FALSE !(s__state == 20480) VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L124] COND FALSE !(s__state == 4099) VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L127] COND TRUE s__state == 4368 VAL [ag_Z=48, blastFlag=0, cb=2, ret=4294967295, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L271] s__shutdown = 0 [L272] ret = __VERIFIER_nondet_int() [L273] COND TRUE blastFlag == 0 [L274] blastFlag = 1 VAL [ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4368, s__type=4096, s__version=4294902784, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L278] COND FALSE !(ret <= 0) [L283] s__state = 4384 [L284] ag_X = s__state - 32 [L285] s__init_num = 0 VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L286] COND TRUE (unsigned long )s__bbio != (unsigned long )s__wbio VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L582] COND FALSE !(! s__s3__tmp__reuse_message) VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L611] skip = 0 VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L109] COND TRUE 1 VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4368, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L111] state = s__state VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L112] COND FALSE !(s__state == 12292) VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L115] COND FALSE !(s__state == 16384) VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L118] COND FALSE !(s__state == 4096) VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L121] COND FALSE !(s__state == 20480) VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L124] COND FALSE !(s__state == 4099) VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L127] COND FALSE !(s__state == 4368) VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L130] COND FALSE !(s__state == 4369) VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L133] COND TRUE s__state == 4384 VAL [ag_X=4352, ag_Z=48, blastFlag=1, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L294] ret = __VERIFIER_nondet_int() [L295] COND TRUE blastFlag == 1 [L296] blastFlag = 2 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4384, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L304] COND FALSE !(ret <= 0) [L309] s__state = ag_X VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4352, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L310] COND FALSE !(\read(s__hit)) [L313] s__state = s__state | ag_Z VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L315] s__init_num = 0 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L582] COND FALSE !(! s__s3__tmp__reuse_message) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L611] skip = 0 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L109] COND TRUE 1 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4384, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L111] state = s__state VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L112] COND FALSE !(s__state == 12292) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L115] COND FALSE !(s__state == 16384) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L118] COND FALSE !(s__state == 4096) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L121] COND FALSE !(s__state == 20480) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L124] COND FALSE !(s__state == 4099) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L127] COND FALSE !(s__state == 4368) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L130] COND FALSE !(s__state == 4369) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L133] COND FALSE !(s__state == 4384) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L136] COND FALSE !(s__state == 4385) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L139] COND TRUE s__state == 4400 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L319] COND TRUE (unsigned long )s__s3__tmp__new_cipher__algorithms + 256UL [L320] skip = 1 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4400, s__type=4096, s__version=4294902784, s__wbio=6, skip=1, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L334] s__state = 4416 [L335] s__init_num = 0 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=1, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L582] COND FALSE !(! s__s3__tmp__reuse_message) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=1, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L611] skip = 0 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L109] COND TRUE 1 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4400, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L111] state = s__state VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L112] COND FALSE !(s__state == 12292) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L115] COND FALSE !(s__state == 16384) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L118] COND FALSE !(s__state == 4096) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L121] COND FALSE !(s__state == 20480) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L124] COND FALSE !(s__state == 4099) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L127] COND FALSE !(s__state == 4368) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L130] COND FALSE !(s__state == 4369) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L133] COND FALSE !(s__state == 4384) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L136] COND FALSE !(s__state == 4385) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L139] COND FALSE !(s__state == 4400) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L142] COND FALSE !(s__state == 4401) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L145] COND TRUE s__state == 4416 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L339] ret = __VERIFIER_nondet_int() [L340] COND FALSE !(blastFlag == 3) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4416, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L345] COND FALSE !(ret <= 0) [L350] s__state = 4432 [L351] s__init_num = 0 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2] [L352] COND FALSE !(! tmp___6) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L582] COND FALSE !(! s__s3__tmp__reuse_message) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L611] skip = 0 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L109] COND TRUE 1 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4416, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L111] state = s__state VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L112] COND FALSE !(s__state == 12292) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L115] COND FALSE !(s__state == 16384) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L118] COND FALSE !(s__state == 4096) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L121] COND FALSE !(s__state == 20480) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L124] COND FALSE !(s__state == 4099) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L127] COND FALSE !(s__state == 4368) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L130] COND FALSE !(s__state == 4369) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L133] COND FALSE !(s__state == 4384) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L136] COND FALSE !(s__state == 4385) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L139] COND FALSE !(s__state == 4400) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L142] COND FALSE !(s__state == 4401) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L145] COND FALSE !(s__state == 4416) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L148] COND FALSE !(s__state == 4417) VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L151] COND TRUE s__state == 4432 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=1073741824, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L361] ret = __VERIFIER_nondet_int() [L362] COND TRUE blastFlag <= 5 VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=4, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] [L624] reach_error() VAL [ag_X=4352, ag_Z=48, blastFlag=2, cb=2, ret=4, s__bbio=7, s__ctx__stats__sess_connect=1, s__ctx__stats__sess_connect_renegotiate=1, s__hit=0, s__in_handshake=1, s__info_callback=2, s__init_buf___0=2, s__init_num=0, s__new_session=1, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=2, s__server=0, s__shutdown=0, s__state=4432, s__type=4096, s__version=4294902784, s__wbio=6, skip=0, state=4432, tmp___0=0, tmp___1=4294955008, tmp___4=2, tmp___5=2, tmp___6=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 126 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.7s, OverallIterations: 25, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3162 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3162 mSDsluCounter, 10752 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1283 IncrementalHoareTripleChecker+Unchecked, 6156 mSDsCounter, 537 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1647 IncrementalHoareTripleChecker+Invalid, 3467 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 537 mSolverCounterUnsat, 4596 mSDtfsCounter, 1647 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2905 GetRequests, 2818 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5725occurred in iteration=24, InterpolantAutomatonStates: 117, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 24 MinimizatonAttempts, 1263 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 1963 NumberOfCodeBlocks, 1963 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 2881 ConstructedInterpolants, 658 QuantifiedInterpolants, 9274 SizeOfPredicates, 40 NumberOfNonLiveVariables, 2717 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 36 InterpolantComputations, 12 PerfectInterpolantSequences, 1944/2603 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 incorrect! [2021-12-06 20:56:41,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6d5cc1d-b12f-437f-9345-461651dbf00f/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE