./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/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_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d2e8c7278f9710711a8ba5cefeb9f745a5377c275c5c72390d2d78403afcf1c7 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 00:29:37,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 00:29:37,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 00:29:37,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 00:29:37,149 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 00:29:37,150 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 00:29:37,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 00:29:37,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 00:29:37,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 00:29:37,155 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 00:29:37,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 00:29:37,157 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 00:29:37,158 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 00:29:37,159 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 00:29:37,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 00:29:37,161 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 00:29:37,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 00:29:37,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 00:29:37,165 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 00:29:37,167 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 00:29:37,168 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 00:29:37,169 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 00:29:37,170 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 00:29:37,171 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 00:29:37,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 00:29:37,174 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 00:29:37,175 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 00:29:37,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 00:29:37,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 00:29:37,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 00:29:37,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 00:29:37,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 00:29:37,178 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 00:29:37,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 00:29:37,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 00:29:37,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 00:29:37,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 00:29:37,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 00:29:37,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 00:29:37,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 00:29:37,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 00:29:37,183 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-07 00:29:37,201 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 00:29:37,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 00:29:37,201 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 00:29:37,202 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 00:29:37,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 00:29:37,203 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 00:29:37,203 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 00:29:37,203 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-07 00:29:37,203 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-07 00:29:37,203 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-07 00:29:37,203 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-07 00:29:37,203 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-07 00:29:37,204 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-07 00:29:37,204 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 00:29:37,204 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-07 00:29:37,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 00:29:37,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 00:29:37,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-07 00:29:37,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-07 00:29:37,205 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-07 00:29:37,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 00:29:37,205 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-07 00:29:37,205 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 00:29:37,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-07 00:29:37,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 00:29:37,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 00:29:37,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 00:29:37,206 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 00:29:37,206 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 00:29:37,207 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-07 00:29:37,207 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_e475dd8c-51b1-4de7-8446-502e5cd34664/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2e8c7278f9710711a8ba5cefeb9f745a5377c275c5c72390d2d78403afcf1c7 [2021-12-07 00:29:37,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 00:29:37,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 00:29:37,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 00:29:37,421 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 00:29:37,422 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 00:29:37,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca.i [2021-12-07 00:29:37,464 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/data/8a57fc9dd/2fe266794b1841cfbd7c7cfeea3a6a5c/FLAG6ba285d91 [2021-12-07 00:29:37,866 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 00:29:37,866 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/sv-benchmarks/c/termination-memory-alloca/Toulouse-MultiBranchesToLoop-alloca.i [2021-12-07 00:29:37,876 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/data/8a57fc9dd/2fe266794b1841cfbd7c7cfeea3a6a5c/FLAG6ba285d91 [2021-12-07 00:29:38,237 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/data/8a57fc9dd/2fe266794b1841cfbd7c7cfeea3a6a5c [2021-12-07 00:29:38,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 00:29:38,240 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 00:29:38,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 00:29:38,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 00:29:38,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 00:29:38,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:29:38" (1/1) ... [2021-12-07 00:29:38,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@591dc011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:38, skipping insertion in model container [2021-12-07 00:29:38,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:29:38" (1/1) ... [2021-12-07 00:29:38,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 00:29:38,273 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 00:29:38,476 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:29:38,484 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 00:29:38,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 00:29:38,548 INFO L208 MainTranslator]: Completed translation [2021-12-07 00:29:38,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:38 WrapperNode [2021-12-07 00:29:38,548 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 00:29:38,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 00:29:38,549 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 00:29:38,549 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 00:29:38,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:38" (1/1) ... [2021-12-07 00:29:38,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:38" (1/1) ... [2021-12-07 00:29:38,583 INFO L137 Inliner]: procedures = 110, calls = 67, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 179 [2021-12-07 00:29:38,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 00:29:38,584 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 00:29:38,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 00:29:38,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 00:29:38,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:38" (1/1) ... [2021-12-07 00:29:38,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:38" (1/1) ... [2021-12-07 00:29:38,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:38" (1/1) ... [2021-12-07 00:29:38,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:38" (1/1) ... [2021-12-07 00:29:38,599 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:38" (1/1) ... [2021-12-07 00:29:38,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:38" (1/1) ... [2021-12-07 00:29:38,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:38" (1/1) ... [2021-12-07 00:29:38,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 00:29:38,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 00:29:38,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 00:29:38,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 00:29:38,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:38" (1/1) ... [2021-12-07 00:29:38,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:38,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:38,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:38,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-07 00:29:38,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 00:29:38,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 00:29:38,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 00:29:38,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 00:29:38,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 00:29:38,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 00:29:38,759 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 00:29:38,761 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 00:29:38,983 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 00:29:38,989 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 00:29:38,989 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-07 00:29:38,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:29:38 BoogieIcfgContainer [2021-12-07 00:29:38,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 00:29:38,992 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-07 00:29:38,992 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-07 00:29:38,995 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-07 00:29:38,996 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 00:29:38,996 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 12:29:38" (1/3) ... [2021-12-07 00:29:38,997 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13b7324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:29:38, skipping insertion in model container [2021-12-07 00:29:38,997 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 00:29:38,997 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:29:38" (2/3) ... [2021-12-07 00:29:38,998 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13b7324 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 12:29:38, skipping insertion in model container [2021-12-07 00:29:38,998 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 00:29:38,998 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:29:38" (3/3) ... [2021-12-07 00:29:38,999 INFO L388 chiAutomizerObserver]: Analyzing ICFG Toulouse-MultiBranchesToLoop-alloca.i [2021-12-07 00:29:39,033 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-07 00:29:39,034 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-07 00:29:39,034 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-07 00:29:39,034 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-07 00:29:39,034 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-07 00:29:39,034 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-07 00:29:39,034 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-07 00:29:39,034 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-07 00:29:39,045 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 26 states, 25 states have (on average 1.48) internal successors, (37), 25 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) [2021-12-07 00:29:39,059 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:29:39,060 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:29:39,060 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:29:39,064 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:29:39,064 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-07 00:29:39,064 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-07 00:29:39,065 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 26 states, 25 states have (on average 1.48) internal successors, (37), 25 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) [2021-12-07 00:29:39,067 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:29:39,067 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:29:39,067 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:29:39,068 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:29:39,068 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-07 00:29:39,073 INFO L791 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 10#L553true assume !(0 != main_#t~nondet7#1);havoc main_#t~nondet7#1;call write~int(-1, main_~x~0#1.base, main_~x~0#1.offset, 4); 4#L553-2true call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 23#L558true assume !(main_#t~mem8#1 > 0);havoc main_#t~mem8#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post12#1 := main_#t~mem11#1;call write~int(main_#t~post12#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~post12#1; 19#L558-2true call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 24#L563true assume !(main_#t~mem13#1 > 0);havoc main_#t~mem13#1;call main_#t~mem16#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post17#1 := main_#t~mem16#1;call write~int(main_#t~post17#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem16#1;havoc main_#t~post17#1; 20#L563-2true call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 27#L568true assume !(main_#t~mem18#1 > 0);havoc main_#t~mem18#1;call main_#t~mem21#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post22#1 := main_#t~mem21#1;call write~int(main_#t~post22#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem21#1;havoc main_#t~post22#1; 26#L568-2true call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 15#L573true assume !(main_#t~mem23#1 > 0);havoc main_#t~mem23#1;call main_#t~mem26#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post27#1 := main_#t~mem26#1;call write~int(main_#t~post27#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem26#1;havoc main_#t~post27#1; 8#L573-2true call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 12#L578true assume !(main_#t~mem28#1 > 0);havoc main_#t~mem28#1;call main_#t~mem31#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post32#1 := main_#t~mem31#1;call write~int(main_#t~post32#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem31#1;havoc main_#t~post32#1; 16#L578-2true call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 21#L583true assume main_#t~mem33#1 > 0;havoc main_#t~mem33#1;call main_#t~mem34#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post35#1 := main_#t~mem34#1;call write~int(1 + main_#t~post35#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem34#1;havoc main_#t~post35#1; 25#L583-2true call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 18#L588true assume !(main_#t~mem38#1 > 0);havoc main_#t~mem38#1;call main_#t~mem41#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post42#1 := main_#t~mem41#1;call write~int(main_#t~post42#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem41#1;havoc main_#t~post42#1; 7#L588-2true call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 9#L593true assume !(main_#t~mem43#1 > 0);havoc main_#t~mem43#1;call main_#t~mem46#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post47#1 := main_#t~mem46#1;call write~int(main_#t~post47#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem46#1;havoc main_#t~post47#1; 17#L598-4true [2021-12-07 00:29:39,073 INFO L793 eck$LassoCheckResult]: Loop: 17#L598-4true call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 13#L598true assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 22#L598-2true assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 17#L598-4true [2021-12-07 00:29:39,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:39,077 INFO L85 PathProgramCache]: Analyzing trace with hash 187436106, now seen corresponding path program 1 times [2021-12-07 00:29:39,084 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:39,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334004911] [2021-12-07 00:29:39,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:39,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:39,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:29:39,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:29:39,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334004911] [2021-12-07 00:29:39,372 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334004911] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:29:39,372 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:29:39,372 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-07 00:29:39,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430255916] [2021-12-07 00:29:39,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:29:39,377 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-07 00:29:39,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:39,378 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 1 times [2021-12-07 00:29:39,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:39,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899793573] [2021-12-07 00:29:39,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:39,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:39,404 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:29:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:39,434 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:29:39,609 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:29:39,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-07 00:29:39,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-12-07 00:29:39,634 INFO L87 Difference]: Start difference. First operand has 26 states, 25 states have (on average 1.48) internal successors, (37), 25 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) Second operand has 12 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 12 states have internal predecessors, (19), 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) [2021-12-07 00:29:39,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:29:39,899 INFO L93 Difference]: Finished difference Result 86 states and 112 transitions. [2021-12-07 00:29:39,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 00:29:39,905 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 86 states and 112 transitions. [2021-12-07 00:29:39,910 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:29:39,915 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 86 states to 66 states and 92 transitions. [2021-12-07 00:29:39,916 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 66 [2021-12-07 00:29:39,917 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 66 [2021-12-07 00:29:39,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 92 transitions. [2021-12-07 00:29:39,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:29:39,918 INFO L681 BuchiCegarLoop]: Abstraction has 66 states and 92 transitions. [2021-12-07 00:29:39,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states and 92 transitions. [2021-12-07 00:29:39,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 34. [2021-12-07 00:29:39,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 33 states have internal predecessors, (46), 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) [2021-12-07 00:29:39,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 46 transitions. [2021-12-07 00:29:39,946 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 46 transitions. [2021-12-07 00:29:39,946 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 46 transitions. [2021-12-07 00:29:39,946 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-07 00:29:39,946 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 46 transitions. [2021-12-07 00:29:39,947 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:29:39,947 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:29:39,947 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:29:39,948 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:29:39,948 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-07 00:29:39,949 INFO L791 eck$LassoCheckResult]: Stem: 132#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 133#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 146#L553 assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;call write~int(1, main_~x~0#1.base, main_~x~0#1.offset, 4); 151#L553-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 155#L558 assume !(main_#t~mem8#1 > 0);havoc main_#t~mem8#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post12#1 := main_#t~mem11#1;call write~int(main_#t~post12#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~post12#1; 144#L558-2 call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 145#L563 assume !(main_#t~mem13#1 > 0);havoc main_#t~mem13#1;call main_#t~mem16#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post17#1 := main_#t~mem16#1;call write~int(main_#t~post17#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem16#1;havoc main_#t~post17#1; 147#L563-2 call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 148#L568 assume !(main_#t~mem18#1 > 0);havoc main_#t~mem18#1;call main_#t~mem21#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post22#1 := main_#t~mem21#1;call write~int(main_#t~post22#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem21#1;havoc main_#t~post22#1; 162#L568-2 call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 134#L573 assume !(main_#t~mem23#1 > 0);havoc main_#t~mem23#1;call main_#t~mem26#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post27#1 := main_#t~mem26#1;call write~int(main_#t~post27#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem26#1;havoc main_#t~post27#1; 135#L573-2 call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 150#L578 assume !(main_#t~mem28#1 > 0);havoc main_#t~mem28#1;call main_#t~mem31#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post32#1 := main_#t~mem31#1;call write~int(main_#t~post32#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem31#1;havoc main_#t~post32#1; 136#L578-2 call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 137#L583 assume main_#t~mem33#1 > 0;havoc main_#t~mem33#1;call main_#t~mem34#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post35#1 := main_#t~mem34#1;call write~int(1 + main_#t~post35#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem34#1;havoc main_#t~post35#1; 153#L583-2 call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 142#L588 assume !(main_#t~mem38#1 > 0);havoc main_#t~mem38#1;call main_#t~mem41#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post42#1 := main_#t~mem41#1;call write~int(main_#t~post42#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem41#1;havoc main_#t~post42#1; 143#L588-2 call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 149#L593 assume !(main_#t~mem43#1 > 0);havoc main_#t~mem43#1;call main_#t~mem46#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post47#1 := main_#t~mem46#1;call write~int(main_#t~post47#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem46#1;havoc main_#t~post47#1; 138#L598-4 [2021-12-07 00:29:39,949 INFO L793 eck$LassoCheckResult]: Loop: 138#L598-4 call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 139#L598 assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 154#L598-2 assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 138#L598-4 [2021-12-07 00:29:39,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:39,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1775784008, now seen corresponding path program 1 times [2021-12-07 00:29:39,950 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:39,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244227153] [2021-12-07 00:29:39,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:39,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:39,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:29:39,999 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:29:39,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244227153] [2021-12-07 00:29:39,999 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244227153] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:29:40,000 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:29:40,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:29:40,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63183253] [2021-12-07 00:29:40,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:29:40,000 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-07 00:29:40,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:40,001 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 2 times [2021-12-07 00:29:40,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:40,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085783787] [2021-12-07 00:29:40,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:40,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:40,014 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:29:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:40,031 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:29:40,180 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:29:40,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-07 00:29:40,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-07 00:29:40,181 INFO L87 Difference]: Start difference. First operand 34 states and 46 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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) [2021-12-07 00:29:40,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:29:40,217 INFO L93 Difference]: Finished difference Result 34 states and 45 transitions. [2021-12-07 00:29:40,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-07 00:29:40,218 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 45 transitions. [2021-12-07 00:29:40,219 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:29:40,220 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 34 states and 45 transitions. [2021-12-07 00:29:40,220 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2021-12-07 00:29:40,220 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2021-12-07 00:29:40,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 45 transitions. [2021-12-07 00:29:40,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:29:40,221 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 45 transitions. [2021-12-07 00:29:40,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 45 transitions. [2021-12-07 00:29:40,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-12-07 00:29:40,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.3235294117647058) internal successors, (45), 33 states have internal predecessors, (45), 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) [2021-12-07 00:29:40,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2021-12-07 00:29:40,223 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 45 transitions. [2021-12-07 00:29:40,223 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 45 transitions. [2021-12-07 00:29:40,223 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-07 00:29:40,223 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 45 transitions. [2021-12-07 00:29:40,224 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:29:40,224 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:29:40,224 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:29:40,225 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:29:40,225 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-07 00:29:40,225 INFO L791 eck$LassoCheckResult]: Stem: 209#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 210#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 224#L553 assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;call write~int(1, main_~x~0#1.base, main_~x~0#1.offset, 4); 229#L553-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 242#L558 assume main_#t~mem8#1 > 0;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post10#1 := main_#t~mem9#1;call write~int(1 + main_#t~post10#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem9#1;havoc main_#t~post10#1; 241#L558-2 call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 240#L563 assume !(main_#t~mem13#1 > 0);havoc main_#t~mem13#1;call main_#t~mem16#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post17#1 := main_#t~mem16#1;call write~int(main_#t~post17#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem16#1;havoc main_#t~post17#1; 238#L563-2 call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 236#L568 assume !(main_#t~mem18#1 > 0);havoc main_#t~mem18#1;call main_#t~mem21#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post22#1 := main_#t~mem21#1;call write~int(main_#t~post22#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem21#1;havoc main_#t~post22#1; 237#L568-2 call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 239#L573 assume !(main_#t~mem23#1 > 0);havoc main_#t~mem23#1;call main_#t~mem26#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post27#1 := main_#t~mem26#1;call write~int(main_#t~post27#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem26#1;havoc main_#t~post27#1; 212#L573-2 call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 235#L578 assume !(main_#t~mem28#1 > 0);havoc main_#t~mem28#1;call main_#t~mem31#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post32#1 := main_#t~mem31#1;call write~int(main_#t~post32#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem31#1;havoc main_#t~post32#1; 232#L578-2 call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 234#L583 assume main_#t~mem33#1 > 0;havoc main_#t~mem33#1;call main_#t~mem34#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post35#1 := main_#t~mem34#1;call write~int(1 + main_#t~post35#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem34#1;havoc main_#t~post35#1; 230#L583-2 call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 218#L588 assume !(main_#t~mem38#1 > 0);havoc main_#t~mem38#1;call main_#t~mem41#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post42#1 := main_#t~mem41#1;call write~int(main_#t~post42#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem41#1;havoc main_#t~post42#1; 219#L588-2 call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 227#L593 assume !(main_#t~mem43#1 > 0);havoc main_#t~mem43#1;call main_#t~mem46#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post47#1 := main_#t~mem46#1;call write~int(main_#t~post47#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem46#1;havoc main_#t~post47#1; 216#L598-4 [2021-12-07 00:29:40,225 INFO L793 eck$LassoCheckResult]: Loop: 216#L598-4 call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 217#L598 assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 231#L598-2 assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 216#L598-4 [2021-12-07 00:29:40,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:40,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1239319610, now seen corresponding path program 1 times [2021-12-07 00:29:40,225 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:40,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679895015] [2021-12-07 00:29:40,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:40,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:40,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:29:40,329 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:29:40,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679895015] [2021-12-07 00:29:40,330 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679895015] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:29:40,330 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:29:40,330 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-07 00:29:40,330 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779088427] [2021-12-07 00:29:40,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:29:40,330 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-07 00:29:40,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:40,331 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 3 times [2021-12-07 00:29:40,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:40,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529453458] [2021-12-07 00:29:40,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:40,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:40,351 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:29:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:40,371 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:29:40,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:29:40,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 00:29:40,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:29:40,516 INFO L87 Difference]: Start difference. First operand 34 states and 45 transitions. cyclomatic complexity: 12 Second operand has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 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) [2021-12-07 00:29:40,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:29:40,628 INFO L93 Difference]: Finished difference Result 47 states and 63 transitions. [2021-12-07 00:29:40,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:29:40,629 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 63 transitions. [2021-12-07 00:29:40,630 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:29:40,631 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 63 transitions. [2021-12-07 00:29:40,631 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 47 [2021-12-07 00:29:40,631 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 47 [2021-12-07 00:29:40,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 63 transitions. [2021-12-07 00:29:40,631 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:29:40,631 INFO L681 BuchiCegarLoop]: Abstraction has 47 states and 63 transitions. [2021-12-07 00:29:40,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 63 transitions. [2021-12-07 00:29:40,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 34. [2021-12-07 00:29:40,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 33 states have internal predecessors, (44), 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) [2021-12-07 00:29:40,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 44 transitions. [2021-12-07 00:29:40,634 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 44 transitions. [2021-12-07 00:29:40,634 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 44 transitions. [2021-12-07 00:29:40,634 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-07 00:29:40,634 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 44 transitions. [2021-12-07 00:29:40,635 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:29:40,635 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:29:40,635 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:29:40,635 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:29:40,635 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-07 00:29:40,635 INFO L791 eck$LassoCheckResult]: Stem: 304#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 305#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 318#L553 assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;call write~int(1, main_~x~0#1.base, main_~x~0#1.offset, 4); 312#L553-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 313#L558 assume main_#t~mem8#1 > 0;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post10#1 := main_#t~mem9#1;call write~int(1 + main_#t~post10#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem9#1;havoc main_#t~post10#1; 334#L558-2 call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 332#L563 assume main_#t~mem13#1 > 0;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post15#1 := main_#t~mem14#1;call write~int(1 + main_#t~post15#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~post15#1; 319#L563-2 call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 320#L568 assume !(main_#t~mem18#1 > 0);havoc main_#t~mem18#1;call main_#t~mem21#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post22#1 := main_#t~mem21#1;call write~int(main_#t~post22#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem21#1;havoc main_#t~post22#1; 330#L568-2 call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 306#L573 assume !(main_#t~mem23#1 > 0);havoc main_#t~mem23#1;call main_#t~mem26#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post27#1 := main_#t~mem26#1;call write~int(main_#t~post27#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem26#1;havoc main_#t~post27#1; 307#L573-2 call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 322#L578 assume !(main_#t~mem28#1 > 0);havoc main_#t~mem28#1;call main_#t~mem31#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post32#1 := main_#t~mem31#1;call write~int(main_#t~post32#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem31#1;havoc main_#t~post32#1; 328#L578-2 call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 331#L583 assume main_#t~mem33#1 > 0;havoc main_#t~mem33#1;call main_#t~mem34#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post35#1 := main_#t~mem34#1;call write~int(1 + main_#t~post35#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem34#1;havoc main_#t~post35#1; 324#L583-2 call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 314#L588 assume !(main_#t~mem38#1 > 0);havoc main_#t~mem38#1;call main_#t~mem41#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post42#1 := main_#t~mem41#1;call write~int(main_#t~post42#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem41#1;havoc main_#t~post42#1; 315#L588-2 call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 321#L593 assume !(main_#t~mem43#1 > 0);havoc main_#t~mem43#1;call main_#t~mem46#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post47#1 := main_#t~mem46#1;call write~int(main_#t~post47#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem46#1;havoc main_#t~post47#1; 310#L598-4 [2021-12-07 00:29:40,635 INFO L793 eck$LassoCheckResult]: Loop: 310#L598-4 call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 311#L598 assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 325#L598-2 assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 310#L598-4 [2021-12-07 00:29:40,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:40,636 INFO L85 PathProgramCache]: Analyzing trace with hash -652513596, now seen corresponding path program 1 times [2021-12-07 00:29:40,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:40,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98894156] [2021-12-07 00:29:40,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:40,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:40,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:29:40,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:29:40,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98894156] [2021-12-07 00:29:40,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98894156] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:29:40,708 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:29:40,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-07 00:29:40,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629242345] [2021-12-07 00:29:40,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:29:40,709 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-07 00:29:40,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:40,709 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 4 times [2021-12-07 00:29:40,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:40,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2582890] [2021-12-07 00:29:40,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:40,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:40,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:40,717 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:29:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:40,728 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:29:40,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:29:40,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-07 00:29:40,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-07 00:29:40,860 INFO L87 Difference]: Start difference. First operand 34 states and 44 transitions. cyclomatic complexity: 11 Second operand has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 states have internal predecessors, (19), 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) [2021-12-07 00:29:40,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:29:40,959 INFO L93 Difference]: Finished difference Result 45 states and 59 transitions. [2021-12-07 00:29:40,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:29:40,960 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 59 transitions. [2021-12-07 00:29:40,961 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:29:40,962 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 59 transitions. [2021-12-07 00:29:40,962 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2021-12-07 00:29:40,962 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2021-12-07 00:29:40,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 59 transitions. [2021-12-07 00:29:40,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:29:40,963 INFO L681 BuchiCegarLoop]: Abstraction has 45 states and 59 transitions. [2021-12-07 00:29:40,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 59 transitions. [2021-12-07 00:29:40,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 34. [2021-12-07 00:29:40,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 33 states have internal predecessors, (43), 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) [2021-12-07 00:29:40,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 43 transitions. [2021-12-07 00:29:40,966 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 43 transitions. [2021-12-07 00:29:40,966 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 43 transitions. [2021-12-07 00:29:40,966 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-07 00:29:40,966 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 43 transitions. [2021-12-07 00:29:40,966 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:29:40,966 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:29:40,967 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:29:40,967 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:29:40,967 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-07 00:29:40,967 INFO L791 eck$LassoCheckResult]: Stem: 395#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 396#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 410#L553 assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;call write~int(1, main_~x~0#1.base, main_~x~0#1.offset, 4); 406#L553-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 407#L558 assume main_#t~mem8#1 > 0;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post10#1 := main_#t~mem9#1;call write~int(1 + main_#t~post10#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem9#1;havoc main_#t~post10#1; 418#L558-2 call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 420#L563 assume main_#t~mem13#1 > 0;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post15#1 := main_#t~mem14#1;call write~int(1 + main_#t~post15#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~post15#1; 411#L563-2 call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 412#L568 assume main_#t~mem18#1 > 0;havoc main_#t~mem18#1;call main_#t~mem19#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post20#1 := main_#t~mem19#1;call write~int(1 + main_#t~post20#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem19#1;havoc main_#t~post20#1; 426#L568-2 call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 425#L573 assume !(main_#t~mem23#1 > 0);havoc main_#t~mem23#1;call main_#t~mem26#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post27#1 := main_#t~mem26#1;call write~int(main_#t~post27#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem26#1;havoc main_#t~post27#1; 400#L573-2 call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 424#L578 assume !(main_#t~mem28#1 > 0);havoc main_#t~mem28#1;call main_#t~mem31#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post32#1 := main_#t~mem31#1;call write~int(main_#t~post32#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem31#1;havoc main_#t~post32#1; 419#L578-2 call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 423#L583 assume main_#t~mem33#1 > 0;havoc main_#t~mem33#1;call main_#t~mem34#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post35#1 := main_#t~mem34#1;call write~int(1 + main_#t~post35#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem34#1;havoc main_#t~post35#1; 417#L583-2 call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 404#L588 assume !(main_#t~mem38#1 > 0);havoc main_#t~mem38#1;call main_#t~mem41#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post42#1 := main_#t~mem41#1;call write~int(main_#t~post42#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem41#1;havoc main_#t~post42#1; 405#L588-2 call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 413#L593 assume !(main_#t~mem43#1 > 0);havoc main_#t~mem43#1;call main_#t~mem46#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post47#1 := main_#t~mem46#1;call write~int(main_#t~post47#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem46#1;havoc main_#t~post47#1; 397#L598-4 [2021-12-07 00:29:40,967 INFO L793 eck$LassoCheckResult]: Loop: 397#L598-4 call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 398#L598 assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 416#L598-2 assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 397#L598-4 [2021-12-07 00:29:40,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:40,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1353578174, now seen corresponding path program 1 times [2021-12-07 00:29:40,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:40,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425245883] [2021-12-07 00:29:40,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:40,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:41,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:29:41,026 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:29:41,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425245883] [2021-12-07 00:29:41,026 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425245883] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:29:41,026 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:29:41,026 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 00:29:41,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413274374] [2021-12-07 00:29:41,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:29:41,026 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-07 00:29:41,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:41,027 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 5 times [2021-12-07 00:29:41,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:41,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664454695] [2021-12-07 00:29:41,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:41,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:41,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:41,037 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:29:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:41,047 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:29:41,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:29:41,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 00:29:41,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-07 00:29:41,186 INFO L87 Difference]: Start difference. First operand 34 states and 43 transitions. cyclomatic complexity: 10 Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 states have internal predecessors, (19), 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) [2021-12-07 00:29:41,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:29:41,250 INFO L93 Difference]: Finished difference Result 45 states and 58 transitions. [2021-12-07 00:29:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:29:41,250 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 58 transitions. [2021-12-07 00:29:41,251 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:29:41,252 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 58 transitions. [2021-12-07 00:29:41,252 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2021-12-07 00:29:41,252 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2021-12-07 00:29:41,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 58 transitions. [2021-12-07 00:29:41,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:29:41,252 INFO L681 BuchiCegarLoop]: Abstraction has 45 states and 58 transitions. [2021-12-07 00:29:41,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 58 transitions. [2021-12-07 00:29:41,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 34. [2021-12-07 00:29:41,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 33 states have internal predecessors, (42), 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) [2021-12-07 00:29:41,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2021-12-07 00:29:41,255 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2021-12-07 00:29:41,255 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2021-12-07 00:29:41,255 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-07 00:29:41,255 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 42 transitions. [2021-12-07 00:29:41,255 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:29:41,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:29:41,256 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:29:41,256 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:29:41,256 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-07 00:29:41,256 INFO L791 eck$LassoCheckResult]: Stem: 484#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 485#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 500#L553 assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;call write~int(1, main_~x~0#1.base, main_~x~0#1.offset, 4); 504#L553-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 515#L558 assume main_#t~mem8#1 > 0;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post10#1 := main_#t~mem9#1;call write~int(1 + main_#t~post10#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem9#1;havoc main_#t~post10#1; 514#L558-2 call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 512#L563 assume main_#t~mem13#1 > 0;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post15#1 := main_#t~mem14#1;call write~int(1 + main_#t~post15#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~post15#1; 513#L563-2 call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 517#L568 assume main_#t~mem18#1 > 0;havoc main_#t~mem18#1;call main_#t~mem19#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post20#1 := main_#t~mem19#1;call write~int(1 + main_#t~post20#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem19#1;havoc main_#t~post20#1; 516#L568-2 call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 486#L573 assume main_#t~mem23#1 > 0;havoc main_#t~mem23#1;call main_#t~mem24#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post25#1 := main_#t~mem24#1;call write~int(1 + main_#t~post25#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem24#1;havoc main_#t~post25#1; 487#L573-2 call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 511#L578 assume !(main_#t~mem28#1 > 0);havoc main_#t~mem28#1;call main_#t~mem31#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post32#1 := main_#t~mem31#1;call write~int(main_#t~post32#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem31#1;havoc main_#t~post32#1; 507#L578-2 call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 510#L583 assume main_#t~mem33#1 > 0;havoc main_#t~mem33#1;call main_#t~mem34#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post35#1 := main_#t~mem34#1;call write~int(1 + main_#t~post35#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem34#1;havoc main_#t~post35#1; 505#L583-2 call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 492#L588 assume !(main_#t~mem38#1 > 0);havoc main_#t~mem38#1;call main_#t~mem41#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post42#1 := main_#t~mem41#1;call write~int(main_#t~post42#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem41#1;havoc main_#t~post42#1; 493#L588-2 call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 501#L593 assume !(main_#t~mem43#1 > 0);havoc main_#t~mem43#1;call main_#t~mem46#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post47#1 := main_#t~mem46#1;call write~int(main_#t~post47#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem46#1;havoc main_#t~post47#1; 490#L598-4 [2021-12-07 00:29:41,256 INFO L793 eck$LassoCheckResult]: Loop: 490#L598-4 call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 491#L598 assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 506#L598-2 assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 490#L598-4 [2021-12-07 00:29:41,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:41,257 INFO L85 PathProgramCache]: Analyzing trace with hash -2033636544, now seen corresponding path program 1 times [2021-12-07 00:29:41,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:41,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790962825] [2021-12-07 00:29:41,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:41,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:41,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:41,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:29:41,322 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:29:41,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790962825] [2021-12-07 00:29:41,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790962825] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:29:41,323 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:29:41,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-07 00:29:41,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909417465] [2021-12-07 00:29:41,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:29:41,324 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-07 00:29:41,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:41,324 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 6 times [2021-12-07 00:29:41,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:41,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246250426] [2021-12-07 00:29:41,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:41,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:41,334 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:29:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:41,347 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:29:41,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:29:41,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-07 00:29:41,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-07 00:29:41,482 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. cyclomatic complexity: 9 Second operand has 8 states, 8 states have (on average 2.375) internal successors, (19), 8 states have internal predecessors, (19), 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) [2021-12-07 00:29:41,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:29:41,564 INFO L93 Difference]: Finished difference Result 52 states and 67 transitions. [2021-12-07 00:29:41,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 00:29:41,565 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 67 transitions. [2021-12-07 00:29:41,565 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:29:41,566 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 52 states and 67 transitions. [2021-12-07 00:29:41,566 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2021-12-07 00:29:41,566 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2021-12-07 00:29:41,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 67 transitions. [2021-12-07 00:29:41,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:29:41,566 INFO L681 BuchiCegarLoop]: Abstraction has 52 states and 67 transitions. [2021-12-07 00:29:41,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 67 transitions. [2021-12-07 00:29:41,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 36. [2021-12-07 00:29:41,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 35 states have internal predecessors, (44), 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) [2021-12-07 00:29:41,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 44 transitions. [2021-12-07 00:29:41,569 INFO L704 BuchiCegarLoop]: Abstraction has 36 states and 44 transitions. [2021-12-07 00:29:41,569 INFO L587 BuchiCegarLoop]: Abstraction has 36 states and 44 transitions. [2021-12-07 00:29:41,569 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-07 00:29:41,569 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 44 transitions. [2021-12-07 00:29:41,569 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:29:41,569 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:29:41,569 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:29:41,570 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:29:41,570 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-07 00:29:41,570 INFO L791 eck$LassoCheckResult]: Stem: 581#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 582#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 595#L553 assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;call write~int(1, main_~x~0#1.base, main_~x~0#1.offset, 4); 600#L553-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 604#L558 assume main_#t~mem8#1 > 0;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post10#1 := main_#t~mem9#1;call write~int(1 + main_#t~post10#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem9#1;havoc main_#t~post10#1; 593#L558-2 call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 594#L563 assume main_#t~mem13#1 > 0;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post15#1 := main_#t~mem14#1;call write~int(1 + main_#t~post15#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~post15#1; 596#L563-2 call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 597#L568 assume main_#t~mem18#1 > 0;havoc main_#t~mem18#1;call main_#t~mem19#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post20#1 := main_#t~mem19#1;call write~int(1 + main_#t~post20#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem19#1;havoc main_#t~post20#1; 611#L568-2 call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 583#L573 assume main_#t~mem23#1 > 0;havoc main_#t~mem23#1;call main_#t~mem24#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post25#1 := main_#t~mem24#1;call write~int(1 + main_#t~post25#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem24#1;havoc main_#t~post25#1; 584#L573-2 call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 599#L578 assume main_#t~mem28#1 > 0;havoc main_#t~mem28#1;call main_#t~mem29#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post30#1 := main_#t~mem29#1;call write~int(1 + main_#t~post30#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem29#1;havoc main_#t~post30#1; 585#L578-2 call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 586#L583 assume main_#t~mem33#1 > 0;havoc main_#t~mem33#1;call main_#t~mem34#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post35#1 := main_#t~mem34#1;call write~int(1 + main_#t~post35#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem34#1;havoc main_#t~post35#1; 602#L583-2 call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 591#L588 assume !(main_#t~mem38#1 > 0);havoc main_#t~mem38#1;call main_#t~mem41#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post42#1 := main_#t~mem41#1;call write~int(main_#t~post42#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem41#1;havoc main_#t~post42#1; 592#L588-2 call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 598#L593 assume !(main_#t~mem43#1 > 0);havoc main_#t~mem43#1;call main_#t~mem46#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post47#1 := main_#t~mem46#1;call write~int(main_#t~post47#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem46#1;havoc main_#t~post47#1; 587#L598-4 [2021-12-07 00:29:41,570 INFO L793 eck$LassoCheckResult]: Loop: 587#L598-4 call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 588#L598 assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 603#L598-2 assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 587#L598-4 [2021-12-07 00:29:41,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:41,570 INFO L85 PathProgramCache]: Analyzing trace with hash 486323390, now seen corresponding path program 1 times [2021-12-07 00:29:41,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:41,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829859753] [2021-12-07 00:29:41,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:41,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:41,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:29:41,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:29:41,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829859753] [2021-12-07 00:29:41,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829859753] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:29:41,684 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:29:41,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-07 00:29:41,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372016033] [2021-12-07 00:29:41,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:29:41,685 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-07 00:29:41,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:41,685 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 7 times [2021-12-07 00:29:41,685 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:41,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145485896] [2021-12-07 00:29:41,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:41,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:41,693 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:29:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:41,703 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:29:41,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:29:41,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-07 00:29:41,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2021-12-07 00:29:41,846 INFO L87 Difference]: Start difference. First operand 36 states and 44 transitions. cyclomatic complexity: 9 Second operand has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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) [2021-12-07 00:29:41,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:29:41,926 INFO L93 Difference]: Finished difference Result 48 states and 59 transitions. [2021-12-07 00:29:41,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-07 00:29:41,926 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 59 transitions. [2021-12-07 00:29:41,927 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:29:41,927 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 48 states and 59 transitions. [2021-12-07 00:29:41,927 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 48 [2021-12-07 00:29:41,928 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 48 [2021-12-07 00:29:41,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 59 transitions. [2021-12-07 00:29:41,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:29:41,928 INFO L681 BuchiCegarLoop]: Abstraction has 48 states and 59 transitions. [2021-12-07 00:29:41,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 59 transitions. [2021-12-07 00:29:41,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 40. [2021-12-07 00:29:41,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.2) internal successors, (48), 39 states have internal predecessors, (48), 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) [2021-12-07 00:29:41,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2021-12-07 00:29:41,930 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 48 transitions. [2021-12-07 00:29:41,930 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 48 transitions. [2021-12-07 00:29:41,930 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-07 00:29:41,930 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 48 transitions. [2021-12-07 00:29:41,931 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:29:41,931 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:29:41,931 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:29:41,931 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:29:41,931 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-07 00:29:41,931 INFO L791 eck$LassoCheckResult]: Stem: 681#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 682#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 697#L553 assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;call write~int(1, main_~x~0#1.base, main_~x~0#1.offset, 4); 700#L553-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 720#L558 assume main_#t~mem8#1 > 0;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post10#1 := main_#t~mem9#1;call write~int(1 + main_#t~post10#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem9#1;havoc main_#t~post10#1; 719#L558-2 call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 718#L563 assume main_#t~mem13#1 > 0;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post15#1 := main_#t~mem14#1;call write~int(1 + main_#t~post15#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~post15#1; 717#L563-2 call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 716#L568 assume main_#t~mem18#1 > 0;havoc main_#t~mem18#1;call main_#t~mem19#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post20#1 := main_#t~mem19#1;call write~int(1 + main_#t~post20#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem19#1;havoc main_#t~post20#1; 715#L568-2 call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 683#L573 assume main_#t~mem23#1 > 0;havoc main_#t~mem23#1;call main_#t~mem24#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post25#1 := main_#t~mem24#1;call write~int(1 + main_#t~post25#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem24#1;havoc main_#t~post25#1; 684#L573-2 call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 699#L578 assume main_#t~mem28#1 > 0;havoc main_#t~mem28#1;call main_#t~mem29#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post30#1 := main_#t~mem29#1;call write~int(1 + main_#t~post30#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem29#1;havoc main_#t~post30#1; 685#L578-2 call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 686#L583 assume main_#t~mem33#1 > 0;havoc main_#t~mem33#1;call main_#t~mem34#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post35#1 := main_#t~mem34#1;call write~int(1 + main_#t~post35#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem34#1;havoc main_#t~post35#1; 701#L583-2 call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 689#L588 assume main_#t~mem38#1 > 0;havoc main_#t~mem38#1;call main_#t~mem39#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post40#1 := main_#t~mem39#1;call write~int(1 + main_#t~post40#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem39#1;havoc main_#t~post40#1; 690#L588-2 call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 698#L593 assume !(main_#t~mem43#1 > 0);havoc main_#t~mem43#1;call main_#t~mem46#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post47#1 := main_#t~mem46#1;call write~int(main_#t~post47#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem46#1;havoc main_#t~post47#1; 687#L598-4 [2021-12-07 00:29:41,931 INFO L793 eck$LassoCheckResult]: Loop: 687#L598-4 call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 688#L598 assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 702#L598-2 assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 687#L598-4 [2021-12-07 00:29:41,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:41,932 INFO L85 PathProgramCache]: Analyzing trace with hash 486321468, now seen corresponding path program 1 times [2021-12-07 00:29:41,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:41,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394590448] [2021-12-07 00:29:41,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:41,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:41,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:29:41,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:29:41,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394590448] [2021-12-07 00:29:41,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394590448] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:29:41,971 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:29:41,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-07 00:29:41,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341698062] [2021-12-07 00:29:41,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:29:41,972 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-07 00:29:41,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:41,972 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 8 times [2021-12-07 00:29:41,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:41,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317900659] [2021-12-07 00:29:41,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:41,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:41,980 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:29:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:41,991 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:29:42,138 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:29:42,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 00:29:42,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-07 00:29:42,139 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. cyclomatic complexity: 9 Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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) [2021-12-07 00:29:42,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:29:42,184 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2021-12-07 00:29:42,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 00:29:42,185 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 54 transitions. [2021-12-07 00:29:42,185 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:29:42,186 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 54 transitions. [2021-12-07 00:29:42,186 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2021-12-07 00:29:42,186 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2021-12-07 00:29:42,186 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 54 transitions. [2021-12-07 00:29:42,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:29:42,186 INFO L681 BuchiCegarLoop]: Abstraction has 45 states and 54 transitions. [2021-12-07 00:29:42,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 54 transitions. [2021-12-07 00:29:42,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 42. [2021-12-07 00:29:42,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.1904761904761905) internal successors, (50), 41 states have internal predecessors, (50), 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) [2021-12-07 00:29:42,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2021-12-07 00:29:42,188 INFO L704 BuchiCegarLoop]: Abstraction has 42 states and 50 transitions. [2021-12-07 00:29:42,188 INFO L587 BuchiCegarLoop]: Abstraction has 42 states and 50 transitions. [2021-12-07 00:29:42,188 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-07 00:29:42,188 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 50 transitions. [2021-12-07 00:29:42,189 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:29:42,189 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:29:42,189 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:29:42,189 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:29:42,189 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-07 00:29:42,190 INFO L791 eck$LassoCheckResult]: Stem: 774#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 775#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 788#L553 assume 0 != main_#t~nondet7#1;havoc main_#t~nondet7#1;call write~int(1, main_~x~0#1.base, main_~x~0#1.offset, 4); 782#L553-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 783#L558 assume main_#t~mem8#1 > 0;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post10#1 := main_#t~mem9#1;call write~int(1 + main_#t~post10#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem9#1;havoc main_#t~post10#1; 786#L558-2 call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 787#L563 assume main_#t~mem13#1 > 0;havoc main_#t~mem13#1;call main_#t~mem14#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post15#1 := main_#t~mem14#1;call write~int(1 + main_#t~post15#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem14#1;havoc main_#t~post15#1; 789#L563-2 call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 790#L568 assume main_#t~mem18#1 > 0;havoc main_#t~mem18#1;call main_#t~mem19#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post20#1 := main_#t~mem19#1;call write~int(1 + main_#t~post20#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem19#1;havoc main_#t~post20#1; 800#L568-2 call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 778#L573 assume main_#t~mem23#1 > 0;havoc main_#t~mem23#1;call main_#t~mem24#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post25#1 := main_#t~mem24#1;call write~int(1 + main_#t~post25#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem24#1;havoc main_#t~post25#1; 779#L573-2 call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 793#L578 assume main_#t~mem28#1 > 0;havoc main_#t~mem28#1;call main_#t~mem29#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post30#1 := main_#t~mem29#1;call write~int(1 + main_#t~post30#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem29#1;havoc main_#t~post30#1; 780#L578-2 call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 781#L583 assume main_#t~mem33#1 > 0;havoc main_#t~mem33#1;call main_#t~mem34#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post35#1 := main_#t~mem34#1;call write~int(1 + main_#t~post35#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem34#1;havoc main_#t~post35#1; 797#L583-2 call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 784#L588 assume main_#t~mem38#1 > 0;havoc main_#t~mem38#1;call main_#t~mem39#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post40#1 := main_#t~mem39#1;call write~int(1 + main_#t~post40#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem39#1;havoc main_#t~post40#1; 785#L588-2 call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 794#L593 assume main_#t~mem43#1 > 0;havoc main_#t~mem43#1;call main_#t~mem44#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post45#1 := main_#t~mem44#1;call write~int(1 + main_#t~post45#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem44#1;havoc main_#t~post45#1; 776#L598-4 [2021-12-07 00:29:42,190 INFO L793 eck$LassoCheckResult]: Loop: 776#L598-4 call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 777#L598 assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 796#L598-2 assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 776#L598-4 [2021-12-07 00:29:42,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:42,190 INFO L85 PathProgramCache]: Analyzing trace with hash 486321466, now seen corresponding path program 1 times [2021-12-07 00:29:42,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:42,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635117240] [2021-12-07 00:29:42,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:42,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:42,213 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:29:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:42,230 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:29:42,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:42,230 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 9 times [2021-12-07 00:29:42,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:42,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519098986] [2021-12-07 00:29:42,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:42,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:42,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:42,237 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:29:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:42,245 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:29:42,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:42,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1078171826, now seen corresponding path program 1 times [2021-12-07 00:29:42,245 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:42,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176337530] [2021-12-07 00:29:42,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:42,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:42,286 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:29:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:42,304 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:29:48,333 WARN L227 SmtUtils]: Spent 5.91s on a formula simplification. DAG size of input: 183 DAG size of output: 159 (called from [L 234] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-12-07 00:29:48,684 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:29:48,685 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:29:48,685 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:29:48,685 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:29:48,685 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 00:29:48,685 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:48,685 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:29:48,685 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:29:48,685 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-alloca.i_Iteration9_Lasso [2021-12-07 00:29:48,685 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:29:48,685 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:29:48,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:48,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:49,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:49,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:49,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:49,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:49,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:49,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:49,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:49,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:49,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:49,049 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:49,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:49,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:49,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:49,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:49,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:49,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:49,056 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:49,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:49,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:49,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:49,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:49,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:49,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:49,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:49,329 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:29:49,332 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 00:29:49,333 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:49,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:49,334 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:49,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-07 00:29:49,335 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:49,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:49,343 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:29:49,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:49,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:49,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:49,345 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:29:49,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:29:49,346 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:49,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-07 00:29:49,369 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:49,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:49,370 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:49,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-07 00:29:49,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:49,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:49,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:29:49,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:49,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:49,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:49,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:29:49,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:29:49,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:49,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-07 00:29:49,399 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:49,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:49,400 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:49,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-07 00:29:49,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:49,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:49,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:29:49,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:49,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:49,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:49,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:29:49,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:29:49,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:49,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-07 00:29:49,434 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:49,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:49,435 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:49,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-07 00:29:49,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:49,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:49,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:29:49,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:49,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:49,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:49,444 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:29:49,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:29:49,445 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:49,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-07 00:29:49,464 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:49,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:49,465 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:49,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-07 00:29:49,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:49,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:49,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:29:49,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:49,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:49,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:49,474 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:29:49,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:29:49,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:49,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-07 00:29:49,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:49,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:49,494 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:49,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-07 00:29:49,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:49,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:49,502 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:29:49,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:49,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:49,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:49,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:29:49,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:29:49,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:49,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-12-07 00:29:49,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:49,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:49,522 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:49,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-07 00:29:49,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:49,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:49,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:29:49,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:49,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:49,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:49,531 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:29:49,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:29:49,532 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:49,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-07 00:29:49,550 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:49,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:49,551 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:49,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-07 00:29:49,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:49,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:49,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:49,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:49,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:49,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:29:49,561 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:29:49,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:49,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-07 00:29:49,583 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:49,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:49,584 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:49,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-07 00:29:49,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:49,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:49,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:29:49,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:49,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:49,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:49,592 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:29:49,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:29:49,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:49,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-07 00:29:49,612 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:49,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:49,613 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:49,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-07 00:29:49,614 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:49,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:49,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:29:49,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:49,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:49,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:49,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:29:49,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:29:49,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:49,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-07 00:29:49,641 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:49,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:49,642 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:49,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-07 00:29:49,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:49,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:49,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:29:49,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:49,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:49,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:49,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:29:49,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:29:49,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:49,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-07 00:29:49,671 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:49,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:49,672 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:49,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-07 00:29:49,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:49,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:49,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:29:49,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:49,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:49,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:49,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:29:49,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:29:49,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:49,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-07 00:29:49,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:49,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:49,701 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:49,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-07 00:29:49,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:49,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:49,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:29:49,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:49,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:49,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:49,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:29:49,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:29:49,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:49,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-07 00:29:49,729 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:49,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:49,730 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:49,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-07 00:29:49,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:49,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:49,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:29:49,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:49,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:49,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:49,739 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:29:49,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:29:49,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:49,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-07 00:29:49,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:49,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:49,759 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:49,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-07 00:29:49,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:49,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:49,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:29:49,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:49,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:49,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:49,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:29:49,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:29:49,769 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:49,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-07 00:29:49,787 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:49,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:49,788 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:49,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-07 00:29:49,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:49,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:49,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:49,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:49,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:49,797 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:29:49,797 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:29:49,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:49,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-07 00:29:49,818 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:49,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:49,818 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:49,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-07 00:29:49,819 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:49,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:49,826 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:29:49,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:49,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:49,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:49,827 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:29:49,827 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:29:49,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:49,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-07 00:29:49,846 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:49,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:49,847 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:49,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-07 00:29:49,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:49,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:49,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:29:49,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:49,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:49,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:49,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:29:49,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:29:49,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:49,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-07 00:29:49,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:49,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:49,875 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:49,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-07 00:29:49,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:49,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:49,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:29:49,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:49,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:49,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:49,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:29:49,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:29:49,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:49,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-07 00:29:49,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:49,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:49,904 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:49,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-07 00:29:49,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:49,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:49,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:29:49,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:49,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:49,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:49,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:29:49,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:29:49,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:49,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-12-07 00:29:49,933 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:49,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:49,934 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:49,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-07 00:29:49,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:49,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:49,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:29:49,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:49,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:49,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:49,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:29:49,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:29:49,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:49,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-07 00:29:49,963 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:49,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:49,964 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:49,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-07 00:29:49,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:49,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:49,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:29:49,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:49,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:49,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:49,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:29:49,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:29:49,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:49,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-07 00:29:49,992 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:49,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:49,993 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:49,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-07 00:29:49,994 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:50,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:50,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:29:50,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:50,002 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:50,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:50,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:29:50,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:29:50,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:50,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-12-07 00:29:50,023 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:50,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:50,024 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:50,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-07 00:29:50,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:50,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:50,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:29:50,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:50,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:50,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:50,032 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:29:50,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:29:50,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:50,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-07 00:29:50,052 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:50,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:50,052 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:50,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-07 00:29:50,054 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:50,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:50,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:29:50,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:50,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:50,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:50,061 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:29:50,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:29:50,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:50,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-07 00:29:50,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:50,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:50,081 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:50,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-07 00:29:50,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:50,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:50,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:29:50,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:50,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:50,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:50,092 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:29:50,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:29:50,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:50,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-07 00:29:50,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:50,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:50,125 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:50,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-07 00:29:50,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:50,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:50,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:29:50,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:50,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:50,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:50,135 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:29:50,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:29:50,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:50,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-07 00:29:50,155 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:50,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:50,155 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:50,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-07 00:29:50,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:50,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:50,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:29:50,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:50,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:50,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:50,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:29:50,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:29:50,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:50,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-12-07 00:29:50,183 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:50,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:50,184 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:50,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-07 00:29:50,185 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:50,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:50,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:50,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:50,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:50,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:29:50,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:29:50,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:50,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-07 00:29:50,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:50,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:50,215 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:50,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-07 00:29:50,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:50,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:50,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:29:50,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:50,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:50,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:50,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:29:50,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:29:50,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:50,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-07 00:29:50,242 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:50,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:50,243 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:50,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-07 00:29:50,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:50,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:50,251 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 00:29:50,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:50,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:50,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:50,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 00:29:50,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 00:29:50,253 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:50,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-07 00:29:50,271 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:50,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:50,271 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:50,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-07 00:29:50,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:50,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:50,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:50,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:50,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:50,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:29:50,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:29:50,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:50,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-07 00:29:50,301 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:50,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:50,302 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:50,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-07 00:29:50,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:50,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:50,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:50,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:50,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:50,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:29:50,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:29:50,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:50,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-07 00:29:50,335 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:50,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:50,335 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:50,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-07 00:29:50,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:50,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:50,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:50,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:50,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:50,346 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:29:50,347 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:29:50,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:50,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-07 00:29:50,369 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:50,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:50,370 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:50,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-07 00:29:50,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:50,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:50,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:50,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:50,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:50,385 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:29:50,386 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:29:50,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:50,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-07 00:29:50,414 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:50,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:50,415 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:50,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-07 00:29:50,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:50,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:50,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:50,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:50,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:50,425 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:29:50,425 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:29:50,429 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:50,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-07 00:29:50,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:50,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:50,449 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:50,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-07 00:29:50,450 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:50,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:50,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:50,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:50,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:50,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:29:50,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:29:50,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:50,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-12-07 00:29:50,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:50,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:50,493 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:50,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-07 00:29:50,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:50,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:50,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:50,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:50,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:50,503 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:29:50,503 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:29:50,506 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:50,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-07 00:29:50,524 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:50,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:50,524 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:50,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-07 00:29:50,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:50,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:50,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:50,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:50,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:50,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:29:50,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:29:50,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:50,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-07 00:29:50,556 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:50,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:50,557 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:50,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-07 00:29:50,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:50,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:50,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:50,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:50,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:50,573 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:29:50,573 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:29:50,579 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 00:29:50,588 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-07 00:29:50,588 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-07 00:29:50,590 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:50,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:50,591 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:50,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-07 00:29:50,591 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 00:29:50,605 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-07 00:29:50,605 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 00:29:50,606 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_1) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0#1.base) ULTIMATE.start_main_~y~0#1.offset)_1 + 100 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_1 - 2 >= 0] [2021-12-07 00:29:50,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-12-07 00:29:50,742 INFO L297 tatePredicateManager]: 34 out of 40 supporting invariants were superfluous and have been removed [2021-12-07 00:29:50,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:50,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 39 conjunts are in the unsatisfiable core [2021-12-07 00:29:50,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:29:50,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-12-07 00:29:50,906 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-12-07 00:29:50,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-12-07 00:29:51,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-12-07 00:29:51,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-12-07 00:29:51,115 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-12-07 00:29:51,163 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-12-07 00:29:51,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2021-12-07 00:29:51,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-07 00:29:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:51,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 17 conjunts are in the unsatisfiable core [2021-12-07 00:29:51,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:29:51,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:29:51,356 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.10 stem predicates 3 loop predicates [2021-12-07 00:29:51,357 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 42 states and 50 transitions. cyclomatic complexity: 9 Second operand has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 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) [2021-12-07 00:29:51,584 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 42 states and 50 transitions. cyclomatic complexity: 9. Second operand has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 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) Result 57 states and 69 transitions. Complement of second has 17 states. [2021-12-07 00:29:51,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 10 stem states 2 non-accepting loop states 2 accepting loop states [2021-12-07 00:29:51,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 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) [2021-12-07 00:29:51,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 49 transitions. [2021-12-07 00:29:51,586 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 49 transitions. Stem has 19 letters. Loop has 3 letters. [2021-12-07 00:29:51,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:29:51,587 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 49 transitions. Stem has 22 letters. Loop has 3 letters. [2021-12-07 00:29:51,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:29:51,587 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 49 transitions. Stem has 19 letters. Loop has 6 letters. [2021-12-07 00:29:51,587 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:29:51,587 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 69 transitions. [2021-12-07 00:29:51,588 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-07 00:29:51,589 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 33 states and 42 transitions. [2021-12-07 00:29:51,589 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2021-12-07 00:29:51,589 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2021-12-07 00:29:51,589 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 42 transitions. [2021-12-07 00:29:51,589 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:29:51,589 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 42 transitions. [2021-12-07 00:29:51,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 42 transitions. [2021-12-07 00:29:51,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 28. [2021-12-07 00:29:51,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.25) internal successors, (35), 27 states have internal predecessors, (35), 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) [2021-12-07 00:29:51,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2021-12-07 00:29:51,590 INFO L704 BuchiCegarLoop]: Abstraction has 28 states and 35 transitions. [2021-12-07 00:29:51,590 INFO L587 BuchiCegarLoop]: Abstraction has 28 states and 35 transitions. [2021-12-07 00:29:51,591 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-12-07 00:29:51,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 35 transitions. [2021-12-07 00:29:51,591 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:29:51,591 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:29:51,591 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:29:51,591 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:29:51,591 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-07 00:29:51,591 INFO L791 eck$LassoCheckResult]: Stem: 1160#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1161#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 1178#L553 assume !(0 != main_#t~nondet7#1);havoc main_#t~nondet7#1;call write~int(-1, main_~x~0#1.base, main_~x~0#1.offset, 4); 1172#L553-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1173#L558 assume !(main_#t~mem8#1 > 0);havoc main_#t~mem8#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post12#1 := main_#t~mem11#1;call write~int(main_#t~post12#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~post12#1; 1174#L558-2 call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1175#L563 assume !(main_#t~mem13#1 > 0);havoc main_#t~mem13#1;call main_#t~mem16#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post17#1 := main_#t~mem16#1;call write~int(main_#t~post17#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem16#1;havoc main_#t~post17#1; 1176#L563-2 call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1177#L568 assume !(main_#t~mem18#1 > 0);havoc main_#t~mem18#1;call main_#t~mem21#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post22#1 := main_#t~mem21#1;call write~int(main_#t~post22#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem21#1;havoc main_#t~post22#1; 1185#L568-2 call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1164#L573 assume main_#t~mem23#1 > 0;havoc main_#t~mem23#1;call main_#t~mem24#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post25#1 := main_#t~mem24#1;call write~int(1 + main_#t~post25#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem24#1;havoc main_#t~post25#1; 1165#L573-2 call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1180#L578 assume !(main_#t~mem28#1 > 0);havoc main_#t~mem28#1;call main_#t~mem31#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post32#1 := main_#t~mem31#1;call write~int(main_#t~post32#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem31#1;havoc main_#t~post32#1; 1167#L578-2 call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1168#L583 assume main_#t~mem33#1 > 0;havoc main_#t~mem33#1;call main_#t~mem34#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post35#1 := main_#t~mem34#1;call write~int(1 + main_#t~post35#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem34#1;havoc main_#t~post35#1; 1184#L583-2 call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1169#L588 assume main_#t~mem38#1 > 0;havoc main_#t~mem38#1;call main_#t~mem39#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post40#1 := main_#t~mem39#1;call write~int(1 + main_#t~post40#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem39#1;havoc main_#t~post40#1; 1170#L588-2 call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1181#L593 assume main_#t~mem43#1 > 0;havoc main_#t~mem43#1;call main_#t~mem44#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post45#1 := main_#t~mem44#1;call write~int(1 + main_#t~post45#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem44#1;havoc main_#t~post45#1; 1162#L598-4 [2021-12-07 00:29:51,591 INFO L793 eck$LassoCheckResult]: Loop: 1162#L598-4 call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 1163#L598 assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 1182#L598-2 assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 1162#L598-4 [2021-12-07 00:29:51,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:51,592 INFO L85 PathProgramCache]: Analyzing trace with hash -492624188, now seen corresponding path program 1 times [2021-12-07 00:29:51,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:51,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433964351] [2021-12-07 00:29:51,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:51,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:51,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:29:51,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:29:51,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433964351] [2021-12-07 00:29:51,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433964351] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:29:51,674 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:29:51,674 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-07 00:29:51,674 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325385622] [2021-12-07 00:29:51,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:29:51,674 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-07 00:29:51,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:51,674 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 10 times [2021-12-07 00:29:51,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:51,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355361394] [2021-12-07 00:29:51,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:51,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:51,686 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:29:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:51,696 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:29:51,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:29:51,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-07 00:29:51,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-12-07 00:29:51,820 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. cyclomatic complexity: 8 Second operand has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 11 states have internal predecessors, (19), 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) [2021-12-07 00:29:51,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:29:51,915 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2021-12-07 00:29:51,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 00:29:51,916 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 51 transitions. [2021-12-07 00:29:51,916 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:29:51,917 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 41 states and 51 transitions. [2021-12-07 00:29:51,917 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2021-12-07 00:29:51,917 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2021-12-07 00:29:51,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 51 transitions. [2021-12-07 00:29:51,917 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:29:51,917 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 51 transitions. [2021-12-07 00:29:51,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 51 transitions. [2021-12-07 00:29:51,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 26. [2021-12-07 00:29:51,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 25 states have internal predecessors, (31), 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) [2021-12-07 00:29:51,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2021-12-07 00:29:51,919 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-12-07 00:29:51,920 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-12-07 00:29:51,920 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-12-07 00:29:51,920 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 31 transitions. [2021-12-07 00:29:51,920 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:29:51,920 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:29:51,920 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:29:51,921 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:29:51,921 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-07 00:29:51,921 INFO L791 eck$LassoCheckResult]: Stem: 1243#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1244#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 1258#L553 assume !(0 != main_#t~nondet7#1);havoc main_#t~nondet7#1;call write~int(-1, main_~x~0#1.base, main_~x~0#1.offset, 4); 1254#L553-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1255#L558 assume !(main_#t~mem8#1 > 0);havoc main_#t~mem8#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post12#1 := main_#t~mem11#1;call write~int(main_#t~post12#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~post12#1; 1256#L558-2 call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1257#L563 assume !(main_#t~mem13#1 > 0);havoc main_#t~mem13#1;call main_#t~mem16#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post17#1 := main_#t~mem16#1;call write~int(main_#t~post17#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem16#1;havoc main_#t~post17#1; 1259#L563-2 call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1260#L568 assume !(main_#t~mem18#1 > 0);havoc main_#t~mem18#1;call main_#t~mem21#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post22#1 := main_#t~mem21#1;call write~int(main_#t~post22#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem21#1;havoc main_#t~post22#1; 1267#L568-2 call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1249#L573 assume !(main_#t~mem23#1 > 0);havoc main_#t~mem23#1;call main_#t~mem26#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post27#1 := main_#t~mem26#1;call write~int(main_#t~post27#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem26#1;havoc main_#t~post27#1; 1250#L573-2 call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1263#L578 assume main_#t~mem28#1 > 0;havoc main_#t~mem28#1;call main_#t~mem29#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post30#1 := main_#t~mem29#1;call write~int(1 + main_#t~post30#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem29#1;havoc main_#t~post30#1; 1266#L578-2 call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1268#L583 assume main_#t~mem33#1 > 0;havoc main_#t~mem33#1;call main_#t~mem34#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post35#1 := main_#t~mem34#1;call write~int(1 + main_#t~post35#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem34#1;havoc main_#t~post35#1; 1264#L583-2 call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1251#L588 assume main_#t~mem38#1 > 0;havoc main_#t~mem38#1;call main_#t~mem39#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post40#1 := main_#t~mem39#1;call write~int(1 + main_#t~post40#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem39#1;havoc main_#t~post40#1; 1252#L588-2 call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1262#L593 assume main_#t~mem43#1 > 0;havoc main_#t~mem43#1;call main_#t~mem44#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post45#1 := main_#t~mem44#1;call write~int(1 + main_#t~post45#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem44#1;havoc main_#t~post45#1; 1247#L598-4 [2021-12-07 00:29:51,921 INFO L793 eck$LassoCheckResult]: Loop: 1247#L598-4 call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 1248#L598 assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 1265#L598-2 assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 1247#L598-4 [2021-12-07 00:29:51,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:51,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1587573180, now seen corresponding path program 1 times [2021-12-07 00:29:51,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:51,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210147021] [2021-12-07 00:29:51,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:51,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:52,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:29:52,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:29:52,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210147021] [2021-12-07 00:29:52,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210147021] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:29:52,008 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:29:52,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-07 00:29:52,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866338800] [2021-12-07 00:29:52,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:29:52,009 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-07 00:29:52,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:52,009 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 11 times [2021-12-07 00:29:52,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:52,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930143109] [2021-12-07 00:29:52,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:52,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:52,017 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:29:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:52,026 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:29:52,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:29:52,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-07 00:29:52,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-12-07 00:29:52,171 INFO L87 Difference]: Start difference. First operand 26 states and 31 transitions. cyclomatic complexity: 6 Second operand has 10 states, 10 states have (on average 1.9) internal successors, (19), 10 states have internal predecessors, (19), 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) [2021-12-07 00:29:52,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:29:52,271 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2021-12-07 00:29:52,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-07 00:29:52,271 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 39 transitions. [2021-12-07 00:29:52,271 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:29:52,272 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 39 transitions. [2021-12-07 00:29:52,272 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2021-12-07 00:29:52,272 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2021-12-07 00:29:52,272 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 39 transitions. [2021-12-07 00:29:52,272 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:29:52,272 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 39 transitions. [2021-12-07 00:29:52,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 39 transitions. [2021-12-07 00:29:52,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 24. [2021-12-07 00:29:52,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.125) internal successors, (27), 23 states have internal predecessors, (27), 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) [2021-12-07 00:29:52,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2021-12-07 00:29:52,273 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-12-07 00:29:52,273 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-12-07 00:29:52,273 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-12-07 00:29:52,274 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 27 transitions. [2021-12-07 00:29:52,274 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:29:52,274 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:29:52,274 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:29:52,274 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:29:52,274 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-07 00:29:52,274 INFO L791 eck$LassoCheckResult]: Stem: 1321#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1322#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 1336#L553 assume !(0 != main_#t~nondet7#1);havoc main_#t~nondet7#1;call write~int(-1, main_~x~0#1.base, main_~x~0#1.offset, 4); 1329#L553-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1330#L558 assume !(main_#t~mem8#1 > 0);havoc main_#t~mem8#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post12#1 := main_#t~mem11#1;call write~int(main_#t~post12#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~post12#1; 1334#L558-2 call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1335#L563 assume !(main_#t~mem13#1 > 0);havoc main_#t~mem13#1;call main_#t~mem16#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post17#1 := main_#t~mem16#1;call write~int(main_#t~post17#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem16#1;havoc main_#t~post17#1; 1337#L563-2 call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1338#L568 assume !(main_#t~mem18#1 > 0);havoc main_#t~mem18#1;call main_#t~mem21#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post22#1 := main_#t~mem21#1;call write~int(main_#t~post22#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem21#1;havoc main_#t~post22#1; 1344#L568-2 call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1323#L573 assume !(main_#t~mem23#1 > 0);havoc main_#t~mem23#1;call main_#t~mem26#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post27#1 := main_#t~mem26#1;call write~int(main_#t~post27#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem26#1;havoc main_#t~post27#1; 1324#L573-2 call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1340#L578 assume !(main_#t~mem28#1 > 0);havoc main_#t~mem28#1;call main_#t~mem31#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post32#1 := main_#t~mem31#1;call write~int(main_#t~post32#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem31#1;havoc main_#t~post32#1; 1325#L578-2 call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1326#L583 assume !(main_#t~mem33#1 > 0);havoc main_#t~mem33#1;call main_#t~mem36#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post37#1 := main_#t~mem36#1;call write~int(main_#t~post37#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem36#1;havoc main_#t~post37#1; 1342#L583-2 call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1331#L588 assume main_#t~mem38#1 > 0;havoc main_#t~mem38#1;call main_#t~mem39#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post40#1 := main_#t~mem39#1;call write~int(1 + main_#t~post40#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem39#1;havoc main_#t~post40#1; 1332#L588-2 call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1341#L593 assume main_#t~mem43#1 > 0;havoc main_#t~mem43#1;call main_#t~mem44#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post45#1 := main_#t~mem44#1;call write~int(1 + main_#t~post45#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem44#1;havoc main_#t~post45#1; 1327#L598-4 [2021-12-07 00:29:52,274 INFO L793 eck$LassoCheckResult]: Loop: 1327#L598-4 call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 1328#L598 assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 1343#L598-2 assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 1327#L598-4 [2021-12-07 00:29:52,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:52,275 INFO L85 PathProgramCache]: Analyzing trace with hash 189281224, now seen corresponding path program 1 times [2021-12-07 00:29:52,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:52,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458531537] [2021-12-07 00:29:52,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:52,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:52,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:29:52,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:29:52,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458531537] [2021-12-07 00:29:52,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458531537] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:29:52,380 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:29:52,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-12-07 00:29:52,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634453067] [2021-12-07 00:29:52,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:29:52,380 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-07 00:29:52,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:52,380 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 12 times [2021-12-07 00:29:52,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:52,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697997386] [2021-12-07 00:29:52,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:52,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:52,387 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:29:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:52,393 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:29:52,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:29:52,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-12-07 00:29:52,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2021-12-07 00:29:52,528 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. cyclomatic complexity: 4 Second operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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) [2021-12-07 00:29:52,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:29:52,607 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2021-12-07 00:29:52,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-07 00:29:52,607 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 32 transitions. [2021-12-07 00:29:52,608 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:29:52,608 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 28 states and 32 transitions. [2021-12-07 00:29:52,608 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-12-07 00:29:52,608 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-12-07 00:29:52,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 32 transitions. [2021-12-07 00:29:52,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:29:52,608 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 32 transitions. [2021-12-07 00:29:52,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 32 transitions. [2021-12-07 00:29:52,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 22. [2021-12-07 00:29:52,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 21 states have internal predecessors, (24), 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) [2021-12-07 00:29:52,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2021-12-07 00:29:52,609 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 24 transitions. [2021-12-07 00:29:52,610 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 24 transitions. [2021-12-07 00:29:52,610 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-12-07 00:29:52,610 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 24 transitions. [2021-12-07 00:29:52,610 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:29:52,610 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:29:52,610 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:29:52,610 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:29:52,610 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-07 00:29:52,610 INFO L791 eck$LassoCheckResult]: Stem: 1390#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1391#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 1404#L553 assume !(0 != main_#t~nondet7#1);havoc main_#t~nondet7#1;call write~int(-1, main_~x~0#1.base, main_~x~0#1.offset, 4); 1398#L553-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1399#L558 assume !(main_#t~mem8#1 > 0);havoc main_#t~mem8#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post12#1 := main_#t~mem11#1;call write~int(main_#t~post12#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~post12#1; 1402#L558-2 call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1403#L563 assume !(main_#t~mem13#1 > 0);havoc main_#t~mem13#1;call main_#t~mem16#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post17#1 := main_#t~mem16#1;call write~int(main_#t~post17#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem16#1;havoc main_#t~post17#1; 1405#L563-2 call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1406#L568 assume !(main_#t~mem18#1 > 0);havoc main_#t~mem18#1;call main_#t~mem21#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post22#1 := main_#t~mem21#1;call write~int(main_#t~post22#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem21#1;havoc main_#t~post22#1; 1411#L568-2 call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1392#L573 assume !(main_#t~mem23#1 > 0);havoc main_#t~mem23#1;call main_#t~mem26#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post27#1 := main_#t~mem26#1;call write~int(main_#t~post27#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem26#1;havoc main_#t~post27#1; 1393#L573-2 call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1408#L578 assume !(main_#t~mem28#1 > 0);havoc main_#t~mem28#1;call main_#t~mem31#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post32#1 := main_#t~mem31#1;call write~int(main_#t~post32#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem31#1;havoc main_#t~post32#1; 1394#L578-2 call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1395#L583 assume !(main_#t~mem33#1 > 0);havoc main_#t~mem33#1;call main_#t~mem36#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post37#1 := main_#t~mem36#1;call write~int(main_#t~post37#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem36#1;havoc main_#t~post37#1; 1409#L583-2 call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1400#L588 assume !(main_#t~mem38#1 > 0);havoc main_#t~mem38#1;call main_#t~mem41#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post42#1 := main_#t~mem41#1;call write~int(main_#t~post42#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem41#1;havoc main_#t~post42#1; 1401#L588-2 call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1407#L593 assume !(main_#t~mem43#1 > 0);havoc main_#t~mem43#1;call main_#t~mem46#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post47#1 := main_#t~mem46#1;call write~int(main_#t~post47#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem46#1;havoc main_#t~post47#1; 1396#L598-4 [2021-12-07 00:29:52,610 INFO L793 eck$LassoCheckResult]: Loop: 1396#L598-4 call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 1397#L598 assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 1410#L598-2 assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 1396#L598-4 [2021-12-07 00:29:52,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:52,611 INFO L85 PathProgramCache]: Analyzing trace with hash 189283148, now seen corresponding path program 1 times [2021-12-07 00:29:52,611 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:52,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222719638] [2021-12-07 00:29:52,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:52,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:52,624 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:29:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:52,636 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:29:52,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:52,636 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 13 times [2021-12-07 00:29:52,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:52,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277763828] [2021-12-07 00:29:52,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:52,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:52,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:52,642 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:29:52,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:52,648 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:29:52,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:52,648 INFO L85 PathProgramCache]: Analyzing trace with hash -357729952, now seen corresponding path program 1 times [2021-12-07 00:29:52,648 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:29:52,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427336528] [2021-12-07 00:29:52,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:29:52,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:29:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:52,678 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:29:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:29:52,693 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:29:58,217 WARN L227 SmtUtils]: Spent 5.40s on a formula simplification. DAG size of input: 191 DAG size of output: 159 (called from [L 234] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-12-07 00:29:58,550 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 00:29:58,550 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 00:29:58,550 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 00:29:58,551 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 00:29:58,551 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 00:29:58,551 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:58,551 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 00:29:58,551 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 00:29:58,551 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-alloca.i_Iteration13_Lasso [2021-12-07 00:29:58,551 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 00:29:58,551 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 00:29:58,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,849 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:58,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 00:29:59,143 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 00:29:59,143 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 00:29:59,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:59,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:59,144 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:59,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-07 00:29:59,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:59,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:59,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:59,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:59,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:59,153 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:29:59,153 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:29:59,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:59,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-07 00:29:59,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:59,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:59,174 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:59,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-07 00:29:59,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:59,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:59,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:59,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:59,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:59,183 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:29:59,183 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:29:59,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:59,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-07 00:29:59,204 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:59,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:59,204 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:59,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-07 00:29:59,206 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:59,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:59,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:59,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:59,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:59,214 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:29:59,214 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:29:59,216 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:59,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-07 00:29:59,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:59,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:59,235 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:59,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-07 00:29:59,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:59,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:59,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:59,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:59,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:59,244 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:29:59,244 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:29:59,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:59,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-07 00:29:59,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:59,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:59,267 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:59,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-07 00:29:59,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:59,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:59,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:59,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:59,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:59,276 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:29:59,276 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:29:59,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:59,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-07 00:29:59,297 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:59,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:59,297 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:59,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-07 00:29:59,299 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:59,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:59,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:59,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:59,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:59,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:29:59,309 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:29:59,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:59,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-12-07 00:29:59,340 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:59,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:59,340 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:59,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-07 00:29:59,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:59,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:59,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:59,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:59,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:59,350 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:29:59,350 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:29:59,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:59,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-07 00:29:59,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:59,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:59,371 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:59,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-07 00:29:59,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:59,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:59,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:59,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:59,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:59,383 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:29:59,383 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:29:59,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:59,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-12-07 00:29:59,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:59,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:59,413 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:59,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-07 00:29:59,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:59,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:59,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:59,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:59,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:59,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:29:59,422 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:29:59,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 00:29:59,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-12-07 00:29:59,442 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:59,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:59,443 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:59,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-07 00:29:59,444 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 00:29:59,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 00:29:59,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 00:29:59,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 00:29:59,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 00:29:59,453 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 00:29:59,453 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 00:29:59,458 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 00:29:59,464 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-12-07 00:29:59,465 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-07 00:29:59,465 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 00:29:59,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 00:29:59,465 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 00:29:59,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-07 00:29:59,466 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 00:29:59,475 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-07 00:29:59,475 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 00:29:59,475 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~z~0#1.base) ULTIMATE.start_main_~z~0#1.offset)_2) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~z~0#1.base) ULTIMATE.start_main_~z~0#1.offset)_2 + 100 Supporting invariants [-1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0#1.base) ULTIMATE.start_main_~x~0#1.offset)_2 - 2 >= 0] [2021-12-07 00:29:59,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-12-07 00:29:59,606 INFO L297 tatePredicateManager]: 34 out of 40 supporting invariants were superfluous and have been removed [2021-12-07 00:29:59,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:29:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:29:59,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 42 conjunts are in the unsatisfiable core [2021-12-07 00:29:59,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:29:59,664 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-12-07 00:29:59,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-12-07 00:29:59,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2021-12-07 00:29:59,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2021-12-07 00:29:59,795 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2021-12-07 00:29:59,836 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2021-12-07 00:29:59,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2021-12-07 00:29:59,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2021-12-07 00:29:59,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-07 00:29:59,975 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2021-12-07 00:30:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:00,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-07 00:30:00,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 00:30:00,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:30:00,076 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.10 stem predicates 2 loop predicates [2021-12-07 00:30:00,076 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 24 transitions. cyclomatic complexity: 3 Second operand has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 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) [2021-12-07 00:30:00,209 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 24 transitions. cyclomatic complexity: 3. Second operand has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 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) Result 28 states and 33 transitions. Complement of second has 15 states. [2021-12-07 00:30:00,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 10 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-07 00:30:00,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.6923076923076923) internal successors, (22), 13 states have internal predecessors, (22), 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) [2021-12-07 00:30:00,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 28 transitions. [2021-12-07 00:30:00,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 28 transitions. Stem has 19 letters. Loop has 3 letters. [2021-12-07 00:30:00,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:30:00,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 28 transitions. Stem has 22 letters. Loop has 3 letters. [2021-12-07 00:30:00,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:30:00,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 28 transitions. Stem has 19 letters. Loop has 6 letters. [2021-12-07 00:30:00,210 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 00:30:00,211 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 33 transitions. [2021-12-07 00:30:00,211 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:30:00,211 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 22 states and 23 transitions. [2021-12-07 00:30:00,211 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2021-12-07 00:30:00,211 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2021-12-07 00:30:00,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 23 transitions. [2021-12-07 00:30:00,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:30:00,212 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 23 transitions. [2021-12-07 00:30:00,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 23 transitions. [2021-12-07 00:30:00,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2021-12-07 00:30:00,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 21 states have internal predecessors, (23), 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) [2021-12-07 00:30:00,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2021-12-07 00:30:00,213 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 23 transitions. [2021-12-07 00:30:00,213 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 23 transitions. [2021-12-07 00:30:00,213 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-12-07 00:30:00,213 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 23 transitions. [2021-12-07 00:30:00,213 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-07 00:30:00,213 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 00:30:00,213 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 00:30:00,213 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 00:30:00,213 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-07 00:30:00,214 INFO L791 eck$LassoCheckResult]: Stem: 1720#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1721#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~malloc2#1.base, main_#t~malloc2#1.offset, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~malloc6#1.base, main_#t~malloc6#1.offset, main_#t~nondet7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~post10#1, main_#t~mem11#1, main_#t~post12#1, main_#t~mem13#1, main_#t~mem14#1, main_#t~post15#1, main_#t~mem16#1, main_#t~post17#1, main_#t~mem18#1, main_#t~mem19#1, main_#t~post20#1, main_#t~mem21#1, main_#t~post22#1, main_#t~mem23#1, main_#t~mem24#1, main_#t~post25#1, main_#t~mem26#1, main_#t~post27#1, main_#t~mem28#1, main_#t~mem29#1, main_#t~post30#1, main_#t~mem31#1, main_#t~post32#1, main_#t~mem33#1, main_#t~mem34#1, main_#t~post35#1, main_#t~mem36#1, main_#t~post37#1, main_#t~mem38#1, main_#t~mem39#1, main_#t~post40#1, main_#t~mem41#1, main_#t~post42#1, main_#t~mem43#1, main_#t~mem44#1, main_#t~post45#1, main_#t~mem46#1, main_#t~post47#1, main_#t~mem51#1, main_#t~mem52#1, main_#t~mem53#1, main_#t~mem54#1, main_#t~mem48#1, main_#t~mem49#1, main_#t~short50#1, main_~x~0#1.base, main_~x~0#1.offset, main_~y~0#1.base, main_~y~0#1.offset, main_~z~0#1.base, main_~z~0#1.offset, main_~m~0#1.base, main_~m~0#1.offset, main_~n~0#1.base, main_~n~0#1.offset;call main_#t~malloc2#1.base, main_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);main_~x~0#1.base, main_~x~0#1.offset := main_#t~malloc2#1.base, main_#t~malloc2#1.offset;call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);main_~y~0#1.base, main_~y~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset;call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);main_~z~0#1.base, main_~z~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);main_~m~0#1.base, main_~m~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;call main_#t~malloc6#1.base, main_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);main_~n~0#1.base, main_~n~0#1.offset := main_#t~malloc6#1.base, main_#t~malloc6#1.offset; 1734#L553 assume !(0 != main_#t~nondet7#1);havoc main_#t~nondet7#1;call write~int(-1, main_~x~0#1.base, main_~x~0#1.offset, 4); 1728#L553-2 call main_#t~mem8#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1729#L558 assume !(main_#t~mem8#1 > 0);havoc main_#t~mem8#1;call main_#t~mem11#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post12#1 := main_#t~mem11#1;call write~int(main_#t~post12#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem11#1;havoc main_#t~post12#1; 1732#L558-2 call main_#t~mem13#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1733#L563 assume !(main_#t~mem13#1 > 0);havoc main_#t~mem13#1;call main_#t~mem16#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post17#1 := main_#t~mem16#1;call write~int(main_#t~post17#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem16#1;havoc main_#t~post17#1; 1735#L563-2 call main_#t~mem18#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1736#L568 assume !(main_#t~mem18#1 > 0);havoc main_#t~mem18#1;call main_#t~mem21#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post22#1 := main_#t~mem21#1;call write~int(main_#t~post22#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem21#1;havoc main_#t~post22#1; 1741#L568-2 call main_#t~mem23#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1724#L573 assume !(main_#t~mem23#1 > 0);havoc main_#t~mem23#1;call main_#t~mem26#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post27#1 := main_#t~mem26#1;call write~int(main_#t~post27#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem26#1;havoc main_#t~post27#1; 1725#L573-2 call main_#t~mem28#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1738#L578 assume !(main_#t~mem28#1 > 0);havoc main_#t~mem28#1;call main_#t~mem31#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post32#1 := main_#t~mem31#1;call write~int(main_#t~post32#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem31#1;havoc main_#t~post32#1; 1726#L578-2 call main_#t~mem33#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1727#L583 assume !(main_#t~mem33#1 > 0);havoc main_#t~mem33#1;call main_#t~mem36#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post37#1 := main_#t~mem36#1;call write~int(main_#t~post37#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem36#1;havoc main_#t~post37#1; 1740#L583-2 call main_#t~mem38#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1730#L588 assume !(main_#t~mem38#1 > 0);havoc main_#t~mem38#1;call main_#t~mem41#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post42#1 := main_#t~mem41#1;call write~int(main_#t~post42#1 - 1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem41#1;havoc main_#t~post42#1; 1731#L588-2 call main_#t~mem43#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4); 1737#L593 assume main_#t~mem43#1 > 0;havoc main_#t~mem43#1;call main_#t~mem44#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);main_#t~post45#1 := main_#t~mem44#1;call write~int(1 + main_#t~post45#1, main_~x~0#1.base, main_~x~0#1.offset, 4);havoc main_#t~mem44#1;havoc main_#t~post45#1; 1722#L598-4 [2021-12-07 00:30:00,214 INFO L793 eck$LassoCheckResult]: Loop: 1722#L598-4 call main_#t~mem48#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);main_#t~short50#1 := main_#t~mem48#1 < 100; 1723#L598 assume main_#t~short50#1;call main_#t~mem49#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);main_#t~short50#1 := main_#t~mem49#1 < 100; 1739#L598-2 assume !!main_#t~short50#1;havoc main_#t~mem48#1;havoc main_#t~mem49#1;havoc main_#t~short50#1;call main_#t~mem51#1 := read~int(main_~y~0#1.base, main_~y~0#1.offset, 4);call main_#t~mem52#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem51#1 + main_#t~mem52#1, main_~y~0#1.base, main_~y~0#1.offset, 4);havoc main_#t~mem51#1;havoc main_#t~mem52#1;call main_#t~mem53#1 := read~int(main_~z~0#1.base, main_~z~0#1.offset, 4);call main_#t~mem54#1 := read~int(main_~x~0#1.base, main_~x~0#1.offset, 4);call write~int(main_#t~mem53#1 - main_#t~mem54#1, main_~z~0#1.base, main_~z~0#1.offset, 4);havoc main_#t~mem53#1;havoc main_#t~mem54#1; 1722#L598-4 [2021-12-07 00:30:00,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:30:00,214 INFO L85 PathProgramCache]: Analyzing trace with hash 189283146, now seen corresponding path program 1 times [2021-12-07 00:30:00,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:30:00,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082516701] [2021-12-07 00:30:00,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:30:00,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:30:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 00:30:00,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 00:30:00,311 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 00:30:00,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082516701] [2021-12-07 00:30:00,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082516701] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 00:30:00,311 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 00:30:00,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-12-07 00:30:00,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829584841] [2021-12-07 00:30:00,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 00:30:00,311 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-07 00:30:00,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 00:30:00,312 INFO L85 PathProgramCache]: Analyzing trace with hash 97419, now seen corresponding path program 14 times [2021-12-07 00:30:00,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 00:30:00,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193497983] [2021-12-07 00:30:00,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 00:30:00,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 00:30:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:30:00,319 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 00:30:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 00:30:00,327 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 00:30:00,435 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 00:30:00,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-12-07 00:30:00,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2021-12-07 00:30:00,436 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. cyclomatic complexity: 2 Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 15 states have internal predecessors, (19), 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) [2021-12-07 00:30:00,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 00:30:00,476 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2021-12-07 00:30:00,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-12-07 00:30:00,477 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 18 transitions. [2021-12-07 00:30:00,478 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-07 00:30:00,478 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2021-12-07 00:30:00,478 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-07 00:30:00,478 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-07 00:30:00,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-07 00:30:00,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 00:30:00,478 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 00:30:00,478 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 00:30:00,478 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 00:30:00,478 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-12-07 00:30:00,478 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-07 00:30:00,478 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-07 00:30:00,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-07 00:30:00,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 12:30:00 BoogieIcfgContainer [2021-12-07 00:30:00,482 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-07 00:30:00,483 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 00:30:00,483 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 00:30:00,483 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 00:30:00,483 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:29:38" (3/4) ... [2021-12-07 00:30:00,485 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-07 00:30:00,485 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 00:30:00,485 INFO L158 Benchmark]: Toolchain (without parser) took 22245.69ms. Allocated memory was 90.2MB in the beginning and 157.3MB in the end (delta: 67.1MB). Free memory was 53.7MB in the beginning and 39.6MB in the end (delta: 14.1MB). Peak memory consumption was 81.0MB. Max. memory is 16.1GB. [2021-12-07 00:30:00,485 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 90.2MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:30:00,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.65ms. Allocated memory was 90.2MB in the beginning and 130.0MB in the end (delta: 39.8MB). Free memory was 53.5MB in the beginning and 100.7MB in the end (delta: -47.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-07 00:30:00,486 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.55ms. Allocated memory is still 130.0MB. Free memory was 100.7MB in the beginning and 98.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 00:30:00,486 INFO L158 Benchmark]: Boogie Preprocessor took 22.20ms. Allocated memory is still 130.0MB. Free memory was 98.6MB in the beginning and 97.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 00:30:00,486 INFO L158 Benchmark]: RCFGBuilder took 384.58ms. Allocated memory is still 130.0MB. Free memory was 97.1MB in the beginning and 81.0MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-07 00:30:00,487 INFO L158 Benchmark]: BuchiAutomizer took 21490.22ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 80.4MB in the beginning and 39.6MB in the end (delta: 40.7MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. [2021-12-07 00:30:00,487 INFO L158 Benchmark]: Witness Printer took 2.26ms. Allocated memory is still 157.3MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 00:30:00,488 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 90.2MB. Free memory is still 71.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.65ms. Allocated memory was 90.2MB in the beginning and 130.0MB in the end (delta: 39.8MB). Free memory was 53.5MB in the beginning and 100.7MB in the end (delta: -47.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.55ms. Allocated memory is still 130.0MB. Free memory was 100.7MB in the beginning and 98.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.20ms. Allocated memory is still 130.0MB. Free memory was 98.6MB in the beginning and 97.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 384.58ms. Allocated memory is still 130.0MB. Free memory was 97.1MB in the beginning and 81.0MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 21490.22ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 80.4MB in the beginning and 39.6MB in the end (delta: 40.7MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. * Witness Printer took 2.26ms. Allocated memory is still 157.3MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 14 terminating modules (12 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[y][y] + 100 and consists of 14 locations. One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[z][z] + 100 and consists of 13 locations. 12 modules have a trivial ranking function, the largest among these consists of 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 21.4s and 15 iterations. TraceHistogramMax:1. Analysis of lassos took 18.7s. Construction of modules took 0.9s. Büchi inclusion checks took 1.6s. Highest rank in rank-based complementation 3. Minimization of det autom 14. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 13 MinimizatonAttempts, 129 StatesRemovedByMinimization, 11 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 42 states and ocurred in iteration 8. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 303 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 303 mSDsluCounter, 581 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 362 mSDsCounter, 218 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2394 IncrementalHoareTripleChecker+Invalid, 2612 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 218 mSolverCounterUnsat, 219 mSDtfsCounter, 2394 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU12 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital332 mio100 ax105 hnf100 lsp89 ukn60 mio100 lsp35 div100 bol100 ite100 ukn100 eq194 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-07 00:30:00,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e475dd8c-51b1-4de7-8446-502e5cd34664/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE