./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrstr-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrstr-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ --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 383b4a741115f7461f3219e8b6813a438e778f299f3d0f3c72277e19fd6c8f24 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:30:33,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:30:33,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:30:33,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:30:33,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:30:33,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:30:33,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:30:33,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:30:33,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:30:33,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:30:33,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:30:33,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:30:33,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:30:33,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:30:33,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:30:33,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:30:33,285 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:30:33,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:30:33,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:30:33,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:30:33,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:30:33,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:30:33,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:30:33,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:30:33,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:30:33,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:30:33,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:30:33,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:30:33,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:30:33,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:30:33,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:30:33,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:30:33,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:30:33,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:30:33,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:30:33,335 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:30:33,336 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:30:33,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:30:33,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:30:33,346 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:30:33,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:30:33,348 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-10-17 10:30:33,420 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:30:33,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:30:33,421 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:30:33,421 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:30:33,422 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:30:33,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:30:33,423 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:30:33,423 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:30:33,423 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:30:33,423 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:30:33,425 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:30:33,425 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:30:33,425 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:30:33,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:30:33,426 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:30:33,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:30:33,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:30:33,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:30:33,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:30:33,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:30:33,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:30:33,427 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:30:33,427 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:30:33,428 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:30:33,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:30:33,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:30:33,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:30:33,429 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:30:33,430 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:30:33,430 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_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 383b4a741115f7461f3219e8b6813a438e778f299f3d0f3c72277e19fd6c8f24 [2022-10-17 10:30:33,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:30:33,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:30:33,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:30:33,752 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:30:33,753 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:30:33,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrstr-alloca-1.i [2022-10-17 10:30:33,835 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/data/f41573ec4/4a78c244f1844ac2afeca5dc8e0a1f3a/FLAGecd8889ed [2022-10-17 10:30:34,461 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:30:34,462 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrstr-alloca-1.i [2022-10-17 10:30:34,488 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/data/f41573ec4/4a78c244f1844ac2afeca5dc8e0a1f3a/FLAGecd8889ed [2022-10-17 10:30:34,818 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/data/f41573ec4/4a78c244f1844ac2afeca5dc8e0a1f3a [2022-10-17 10:30:34,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:30:34,823 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:30:34,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:30:34,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:30:34,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:30:34,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:30:34" (1/1) ... [2022-10-17 10:30:34,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d869d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:34, skipping insertion in model container [2022-10-17 10:30:34,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:30:34" (1/1) ... [2022-10-17 10:30:34,846 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:30:34,912 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:30:35,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:30:35,303 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:30:35,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:30:35,415 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:30:35,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:35 WrapperNode [2022-10-17 10:30:35,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:30:35,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:30:35,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:30:35,418 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:30:35,426 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:35" (1/1) ... [2022-10-17 10:30:35,466 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:35" (1/1) ... [2022-10-17 10:30:35,509 INFO L138 Inliner]: procedures = 113, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 136 [2022-10-17 10:30:35,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:30:35,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:30:35,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:30:35,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:30:35,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:35" (1/1) ... [2022-10-17 10:30:35,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:35" (1/1) ... [2022-10-17 10:30:35,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:35" (1/1) ... [2022-10-17 10:30:35,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:35" (1/1) ... [2022-10-17 10:30:35,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:35" (1/1) ... [2022-10-17 10:30:35,563 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:35" (1/1) ... [2022-10-17 10:30:35,566 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:35" (1/1) ... [2022-10-17 10:30:35,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:35" (1/1) ... [2022-10-17 10:30:35,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:30:35,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:30:35,576 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:30:35,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:30:35,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:35" (1/1) ... [2022-10-17 10:30:35,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:35,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:35,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:35,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:30:35,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:30:35,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:30:35,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:30:35,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:30:35,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:30:35,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:30:35,771 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:30:35,773 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:30:36,147 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:30:36,153 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:30:36,154 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 10:30:36,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:30:36 BoogieIcfgContainer [2022-10-17 10:30:36,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:30:36,157 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:30:36,157 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:30:36,173 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:30:36,174 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:30:36,174 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:30:34" (1/3) ... [2022-10-17 10:30:36,176 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e946e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:30:36, skipping insertion in model container [2022-10-17 10:30:36,176 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:30:36,176 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:30:35" (2/3) ... [2022-10-17 10:30:36,177 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e946e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:30:36, skipping insertion in model container [2022-10-17 10:30:36,177 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:30:36,177 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:30:36" (3/3) ... [2022-10-17 10:30:36,179 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrstr-alloca-1.i [2022-10-17 10:30:36,247 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:30:36,247 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:30:36,248 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:30:36,248 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:30:36,248 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:30:36,248 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:30:36,248 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:30:36,249 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:30:36,253 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 31 states, 30 states have (on average 1.5) internal successors, (45), 30 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) [2022-10-17 10:30:36,299 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2022-10-17 10:30:36,299 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:30:36,299 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:30:36,305 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-10-17 10:30:36,306 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-10-17 10:30:36,306 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:30:36,307 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 31 states, 30 states have (on average 1.5) internal successors, (45), 30 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) [2022-10-17 10:30:36,310 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2022-10-17 10:30:36,310 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:30:36,311 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:30:36,311 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-10-17 10:30:36,311 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-10-17 10:30:36,336 INFO L748 eck$LassoCheckResult]: Stem: 18#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~ret24#1.base, main_#t~ret24#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 21#L588true assume !(main_~length1~0#1 < 1); 9#L588-2true assume !(main_~length2~0#1 < 1); 16#L591-1true call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 19#L573true assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 30#L551-4true [2022-10-17 10:30:36,336 INFO L750 eck$LassoCheckResult]: Loop: 30#L551-4true call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 22#L551-1true assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 23#L551-3true cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 30#L551-4true [2022-10-17 10:30:36,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:36,343 INFO L85 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2022-10-17 10:30:36,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:36,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017404862] [2022-10-17 10:30:36,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:36,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:36,564 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:36,663 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:36,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:36,668 INFO L85 PathProgramCache]: Analyzing trace with hash 51799, now seen corresponding path program 1 times [2022-10-17 10:30:36,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:36,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649542610] [2022-10-17 10:30:36,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:36,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:36,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:36,713 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:36,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:36,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1298288364, now seen corresponding path program 1 times [2022-10-17 10:30:36,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:36,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251690671] [2022-10-17 10:30:36,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:36,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:36,791 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:36,854 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:38,070 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:30:38,071 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:30:38,071 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:30:38,072 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:30:38,072 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:30:38,072 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:38,072 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:30:38,074 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:30:38,074 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-1.i_Iteration1_Lasso [2022-10-17 10:30:38,074 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:30:38,074 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:30:38,111 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:38,124 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:38,127 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:38,130 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:38,132 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:38,135 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:38,858 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:38,862 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:38,865 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:38,868 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:38,871 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:38,874 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:38,877 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:38,880 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:38,883 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:38,886 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:38,889 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:38,891 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:38,893 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:38,896 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:38,902 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:38,904 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:38,906 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:38,909 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:38,911 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:38,914 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:38,916 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:38,918 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:38,922 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:39,459 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:30:39,464 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:30:39,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:39,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:39,472 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:39,479 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 [2022-10-17 10:30:39,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:39,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:39,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:39,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:39,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:39,493 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:39,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:39,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-10-17 10:30:39,513 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:39,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:39,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:39,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:39,558 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:39,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-10-17 10:30:39,568 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 [2022-10-17 10:30:39,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:39,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:39,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:39,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:39,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:39,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:39,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:39,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:39,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:39,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:39,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:39,631 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:39,641 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 [2022-10-17 10:30:39,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:39,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:39,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:39,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:39,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:39,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:39,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:39,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-10-17 10:30:39,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:39,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:39,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:39,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:39,708 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:39,713 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 [2022-10-17 10:30:39,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:39,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:39,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:39,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:39,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:39,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:39,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:39,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-10-17 10:30:39,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:39,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:39,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:39,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:39,781 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:39,786 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 [2022-10-17 10:30:39,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:39,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:39,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:39,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:39,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:39,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:39,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:39,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-10-17 10:30:39,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:39,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:39,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:39,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:39,837 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:39,845 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 [2022-10-17 10:30:39,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:39,855 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-10-17 10:30:39,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:39,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:39,860 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-10-17 10:30:39,860 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:39,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-10-17 10:30:39,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:39,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:39,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:39,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:39,920 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:39,926 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 [2022-10-17 10:30:39,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:39,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:39,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:39,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:39,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-10-17 10:30:39,951 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:39,952 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:39,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:40,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:40,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:40,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:40,013 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:40,037 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 [2022-10-17 10:30:40,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:40,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:40,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:40,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:40,051 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:40,052 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:40,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-10-17 10:30:40,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:40,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:40,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:40,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:40,101 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:40,108 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 [2022-10-17 10:30:40,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:40,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:40,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:40,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:40,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:40,121 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:40,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-10-17 10:30:40,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:40,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:40,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:40,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:40,176 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:40,186 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 [2022-10-17 10:30:40,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:40,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:40,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:40,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:40,198 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:40,199 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:40,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-10-17 10:30:40,216 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:40,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:40,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:40,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:40,253 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:40,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-10-17 10:30:40,260 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 [2022-10-17 10:30:40,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:40,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:40,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:40,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:40,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:40,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:40,307 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:30:40,358 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-10-17 10:30:40,358 INFO L444 ModelExtractionUtils]: 9 out of 34 variables were initially zero. Simplification set additionally 22 variables to zero. [2022-10-17 10:30:40,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:40,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:40,377 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:40,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-10-17 10:30:40,433 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:30:40,454 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-10-17 10:30:40,454 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:30:40,455 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc23#1.base)_1, ULTIMATE.start_cstrlen_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc23#1.base)_1 - 1*ULTIMATE.start_cstrlen_~s~0#1.offset Supporting invariants [] [2022-10-17 10:30:40,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:40,546 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2022-10-17 10:30:40,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:40,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 10:30:40,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:30:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:40,656 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 10:30:40,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:30:40,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:40,729 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-10-17 10:30:40,731 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 31 states, 30 states have (on average 1.5) internal successors, (45), 30 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) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-10-17 10:30:40,840 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 31 states, 30 states have (on average 1.5) internal successors, (45), 30 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). Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 80 states and 111 transitions. Complement of second has 7 states. [2022-10-17 10:30:40,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-10-17 10:30:40,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-10-17 10:30:40,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 77 transitions. [2022-10-17 10:30:40,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 77 transitions. Stem has 6 letters. Loop has 3 letters. [2022-10-17 10:30:40,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:30:40,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 77 transitions. Stem has 9 letters. Loop has 3 letters. [2022-10-17 10:30:40,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:30:40,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 77 transitions. Stem has 6 letters. Loop has 6 letters. [2022-10-17 10:30:40,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:30:40,853 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 111 transitions. [2022-10-17 10:30:40,859 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2022-10-17 10:30:40,863 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 27 states and 36 transitions. [2022-10-17 10:30:40,864 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2022-10-17 10:30:40,864 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2022-10-17 10:30:40,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 36 transitions. [2022-10-17 10:30:40,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:30:40,865 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 36 transitions. [2022-10-17 10:30:40,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 36 transitions. [2022-10-17 10:30:40,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-10-17 10:30:40,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 26 states have internal predecessors, (36), 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) [2022-10-17 10:30:40,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2022-10-17 10:30:40,895 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 36 transitions. [2022-10-17 10:30:40,895 INFO L428 stractBuchiCegarLoop]: Abstraction has 27 states and 36 transitions. [2022-10-17 10:30:40,895 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:30:40,895 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 36 transitions. [2022-10-17 10:30:40,896 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2022-10-17 10:30:40,897 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:30:40,897 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:30:40,897 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:40,897 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:40,898 INFO L748 eck$LassoCheckResult]: Stem: 242#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 230#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~ret24#1.base, main_#t~ret24#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 231#L588 assume !(main_~length1~0#1 < 1); 233#L588-2 assume !(main_~length2~0#1 < 1); 234#L591-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 240#L573 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 243#L551-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 245#L551-1 assume !(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 241#L551-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := (if cstrlen_~s~0#1.offset - cstrlen_~str#1.offset < 0 && 0 != (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) % 1 then 1 + (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1 else (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1); 236#L553 cstrstr_#t~ret15#1 := cstrlen_#res#1;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 237#L575-4 [2022-10-17 10:30:40,898 INFO L750 eck$LassoCheckResult]: Loop: 237#L575-4 goto; 238#L576-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 239#L577 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 244#L576 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 222#L575-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~mem9#1, cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, cstrncmp_#t~mem12#1, cstrncmp_#t~pre4#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 223#L558 assume 0 == cstrncmp_~n#1 % 18446744073709551616;cstrncmp_#res#1 := 0; 225#L566 cstrstr_#t~ret16#1 := cstrncmp_#res#1;assume { :end_inline_cstrncmp } true; 235#L575-2 assume !!(0 != cstrstr_#t~ret16#1);havoc cstrstr_#t~ret16#1; 237#L575-4 [2022-10-17 10:30:40,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:40,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1592231857, now seen corresponding path program 1 times [2022-10-17 10:30:40,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:40,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053049176] [2022-10-17 10:30:40,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:40,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:40,930 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:40,953 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:40,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:40,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1752516368, now seen corresponding path program 1 times [2022-10-17 10:30:40,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:40,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492909607] [2022-10-17 10:30:40,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:40,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:41,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:41,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:41,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492909607] [2022-10-17 10:30:41,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492909607] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:41,025 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:30:41,025 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:30:41,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915105852] [2022-10-17 10:30:41,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:41,028 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-10-17 10:30:41,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:41,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-17 10:30:41,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-17 10:30:41,032 INFO L87 Difference]: Start difference. First operand 27 states and 36 transitions. cyclomatic complexity: 11 Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2022-10-17 10:30:41,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:30:41,061 INFO L93 Difference]: Finished difference Result 29 states and 37 transitions. [2022-10-17 10:30:41,062 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 37 transitions. [2022-10-17 10:30:41,063 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2022-10-17 10:30:41,064 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 26 states and 32 transitions. [2022-10-17 10:30:41,064 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2022-10-17 10:30:41,064 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2022-10-17 10:30:41,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 32 transitions. [2022-10-17 10:30:41,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:30:41,065 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 32 transitions. [2022-10-17 10:30:41,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 32 transitions. [2022-10-17 10:30:41,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-10-17 10:30:41,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 25 states have internal predecessors, (32), 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) [2022-10-17 10:30:41,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2022-10-17 10:30:41,068 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 32 transitions. [2022-10-17 10:30:41,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-17 10:30:41,073 INFO L428 stractBuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2022-10-17 10:30:41,073 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-10-17 10:30:41,073 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 32 transitions. [2022-10-17 10:30:41,075 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2022-10-17 10:30:41,076 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:30:41,076 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:30:41,076 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:41,077 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:41,077 INFO L748 eck$LassoCheckResult]: Stem: 291#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 292#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~ret24#1.base, main_#t~ret24#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 302#L588 assume !(main_~length1~0#1 < 1); 303#L588-2 assume !(main_~length2~0#1 < 1); 309#L591-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 296#L573 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 297#L551-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 304#L551-1 assume !(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 287#L551-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := (if cstrlen_~s~0#1.offset - cstrlen_~str#1.offset < 0 && 0 != (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) % 1 then 1 + (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1 else (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1); 288#L553 cstrstr_#t~ret15#1 := cstrlen_#res#1;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 311#L575-4 [2022-10-17 10:30:41,077 INFO L750 eck$LassoCheckResult]: Loop: 311#L575-4 goto; 301#L576-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 312#L577 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 300#L576 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 289#L575-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~mem9#1, cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, cstrncmp_#t~mem12#1, cstrncmp_#t~pre4#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 290#L558 assume !(0 == cstrncmp_~n#1 % 18446744073709551616); 308#L560-4 call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post5#1.base, 1 + cstrncmp_#t~post5#1.offset;call cstrncmp_#t~mem7#1 := read~int(cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, 1); 293#L561 assume cstrncmp_#t~mem6#1 != cstrncmp_#t~mem7#1;havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset;havoc cstrncmp_#t~mem7#1;call cstrncmp_#t~mem9#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset - 1;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset - 1;call cstrncmp_#t~mem10#1 := read~int(cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, 1);cstrncmp_#res#1 := cstrncmp_#t~mem9#1 % 256 - cstrncmp_#t~mem10#1 % 256;havoc cstrncmp_#t~mem9#1;havoc cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset;havoc cstrncmp_#t~mem10#1; 294#L566 cstrstr_#t~ret16#1 := cstrncmp_#res#1;assume { :end_inline_cstrncmp } true; 310#L575-2 assume !!(0 != cstrstr_#t~ret16#1);havoc cstrstr_#t~ret16#1; 311#L575-4 [2022-10-17 10:30:41,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:41,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1592231857, now seen corresponding path program 2 times [2022-10-17 10:30:41,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:41,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875876760] [2022-10-17 10:30:41,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:41,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:41,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:41,176 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:41,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:41,177 INFO L85 PathProgramCache]: Analyzing trace with hash 542190293, now seen corresponding path program 1 times [2022-10-17 10:30:41,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:41,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328662058] [2022-10-17 10:30:41,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:41,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:41,193 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:41,210 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:41,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:41,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1106695813, now seen corresponding path program 1 times [2022-10-17 10:30:41,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:41,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985275138] [2022-10-17 10:30:41,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:41,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:41,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:41,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:41,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:41,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:41,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985275138] [2022-10-17 10:30:41,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985275138] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:30:41,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:30:41,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-17 10:30:41,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403027446] [2022-10-17 10:30:41,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:30:42,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:42,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:30:42,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:30:42,178 INFO L87 Difference]: Start difference. First operand 26 states and 32 transitions. cyclomatic complexity: 8 Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 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) [2022-10-17 10:30:42,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:30:42,273 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2022-10-17 10:30:42,274 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 43 transitions. [2022-10-17 10:30:42,275 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2022-10-17 10:30:42,276 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 35 states and 41 transitions. [2022-10-17 10:30:42,276 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2022-10-17 10:30:42,276 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2022-10-17 10:30:42,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 41 transitions. [2022-10-17 10:30:42,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:30:42,276 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 41 transitions. [2022-10-17 10:30:42,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 41 transitions. [2022-10-17 10:30:42,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2022-10-17 10:30:42,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.1818181818181819) internal successors, (39), 32 states have internal predecessors, (39), 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) [2022-10-17 10:30:42,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 39 transitions. [2022-10-17 10:30:42,281 INFO L240 hiAutomatonCegarLoop]: Abstraction has 33 states and 39 transitions. [2022-10-17 10:30:42,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:30:42,282 INFO L428 stractBuchiCegarLoop]: Abstraction has 33 states and 39 transitions. [2022-10-17 10:30:42,282 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-10-17 10:30:42,283 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 39 transitions. [2022-10-17 10:30:42,284 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 16 [2022-10-17 10:30:42,284 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:30:42,284 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:30:42,284 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:42,285 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-10-17 10:30:42,285 INFO L748 eck$LassoCheckResult]: Stem: 371#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 372#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~ret24#1.base, main_#t~ret24#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 382#L588 assume !(main_~length1~0#1 < 1); 383#L588-2 assume !(main_~length2~0#1 < 1); 389#L591-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 376#L573 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 377#L551-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 384#L551-1 assume !(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 367#L551-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := (if cstrlen_~s~0#1.offset - cstrlen_~str#1.offset < 0 && 0 != (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) % 1 then 1 + (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1 else (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1); 368#L553 cstrstr_#t~ret15#1 := cstrlen_#res#1;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 391#L575-4 goto; 381#L576-2 [2022-10-17 10:30:42,285 INFO L750 eck$LassoCheckResult]: Loop: 381#L576-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 392#L577 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 380#L576 assume !!(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 381#L576-2 [2022-10-17 10:30:42,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:42,286 INFO L85 PathProgramCache]: Analyzing trace with hash 2114547350, now seen corresponding path program 1 times [2022-10-17 10:30:42,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:42,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132641256] [2022-10-17 10:30:42,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:42,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:42,304 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:42,319 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:42,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:42,320 INFO L85 PathProgramCache]: Analyzing trace with hash 71663, now seen corresponding path program 1 times [2022-10-17 10:30:42,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:42,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430660874] [2022-10-17 10:30:42,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:42,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:42,326 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:42,330 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:42,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:42,331 INFO L85 PathProgramCache]: Analyzing trace with hash 194815290, now seen corresponding path program 1 times [2022-10-17 10:30:42,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:42,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638114953] [2022-10-17 10:30:42,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:42,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:42,352 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:42,370 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:43,515 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:30:43,515 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:30:43,515 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:30:43,515 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:30:43,515 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:30:43,515 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:43,515 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:30:43,515 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:30:43,515 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-1.i_Iteration4_Lasso [2022-10-17 10:30:43,516 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:30:43,516 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:30:43,521 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:43,534 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:43,536 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:43,539 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:43,541 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:43,544 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:43,546 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:43,549 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:43,551 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:43,562 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:44,331 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:44,334 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:44,337 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:44,339 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:44,342 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:44,344 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:44,346 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:44,350 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:44,353 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:44,357 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:44,359 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:44,362 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:44,364 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:44,367 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:44,370 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:44,374 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:44,982 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:30:44,983 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:30:44,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:44,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:44,987 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:44,997 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 [2022-10-17 10:30:45,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:45,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:45,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:45,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:45,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:45,009 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:45,009 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:45,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-10-17 10:30:45,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:45,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:45,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:45,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:45,068 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:45,075 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 [2022-10-17 10:30:45,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:45,085 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:45,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:45,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:45,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:45,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:45,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:45,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-10-17 10:30:45,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:45,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:45,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:45,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:45,140 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:45,147 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 [2022-10-17 10:30:45,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:45,156 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:45,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:45,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:45,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:45,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-10-17 10:30:45,156 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:45,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:45,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:45,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:45,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:45,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:45,185 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:45,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-10-17 10:30:45,187 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 [2022-10-17 10:30:45,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:45,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:45,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:45,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:45,196 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:45,196 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:45,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:45,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:45,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:45,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:45,264 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:45,273 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 [2022-10-17 10:30:45,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:45,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:45,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:45,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:45,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:45,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:45,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:45,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-10-17 10:30:45,296 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:45,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:45,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:45,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:45,321 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:45,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-10-17 10:30:45,327 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 [2022-10-17 10:30:45,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:45,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:45,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:45,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:45,334 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:45,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:45,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:45,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:45,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-10-17 10:30:45,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:45,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:45,363 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:45,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-10-17 10:30:45,368 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 [2022-10-17 10:30:45,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:45,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:45,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:45,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:45,378 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:45,378 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:45,412 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:45,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:45,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:45,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:45,453 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:45,469 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 [2022-10-17 10:30:45,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:45,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:45,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:45,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:45,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:45,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:45,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:45,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-10-17 10:30:45,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:45,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:45,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:45,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:45,527 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:45,529 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 [2022-10-17 10:30:45,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:45,538 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:45,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:45,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:45,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:45,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:45,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:45,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-10-17 10:30:45,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:45,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:45,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:45,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:45,595 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:45,597 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 [2022-10-17 10:30:45,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:45,606 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-10-17 10:30:45,606 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-10-17 10:30:45,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:45,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-10-17 10:30:45,635 INFO L401 nArgumentSynthesizer]: We have 56 Motzkin's Theorem applications. [2022-10-17 10:30:45,635 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2022-10-17 10:30:45,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:45,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:45,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:45,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:45,750 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:45,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-10-17 10:30:45,753 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 [2022-10-17 10:30:45,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:45,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:45,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:45,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:45,768 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:45,768 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:45,803 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:30:45,841 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2022-10-17 10:30:45,842 INFO L444 ModelExtractionUtils]: 15 out of 25 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-10-17 10:30:45,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:45,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:45,845 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:45,849 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:30:45,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-10-17 10:30:45,878 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-10-17 10:30:45,878 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:30:45,878 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrstr_~s#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc22#1.base)_2) = -1*ULTIMATE.start_cstrstr_~s#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc22#1.base)_2 Supporting invariants [] [2022-10-17 10:30:45,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:46,020 INFO L156 tatePredicateManager]: 19 out of 20 supporting invariants were superfluous and have been removed [2022-10-17 10:30:46,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:46,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 10:30:46,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:30:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:46,130 WARN L261 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 10:30:46,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:30:46,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:46,183 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-10-17 10:30:46,183 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 39 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-10-17 10:30:46,233 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 39 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 50 states and 58 transitions. Complement of second has 5 states. [2022-10-17 10:30:46,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-10-17 10:30:46,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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) [2022-10-17 10:30:46,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2022-10-17 10:30:46,235 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 11 letters. Loop has 3 letters. [2022-10-17 10:30:46,236 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:30:46,236 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 14 letters. Loop has 3 letters. [2022-10-17 10:30:46,236 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:30:46,237 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 11 letters. Loop has 6 letters. [2022-10-17 10:30:46,237 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:30:46,238 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 58 transitions. [2022-10-17 10:30:46,239 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-10-17 10:30:46,242 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 36 states and 42 transitions. [2022-10-17 10:30:46,242 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2022-10-17 10:30:46,243 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-10-17 10:30:46,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 42 transitions. [2022-10-17 10:30:46,243 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:30:46,243 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 42 transitions. [2022-10-17 10:30:46,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 42 transitions. [2022-10-17 10:30:46,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-10-17 10:30:46,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.1666666666666667) internal successors, (42), 35 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) [2022-10-17 10:30:46,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2022-10-17 10:30:46,254 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 42 transitions. [2022-10-17 10:30:46,254 INFO L428 stractBuchiCegarLoop]: Abstraction has 36 states and 42 transitions. [2022-10-17 10:30:46,255 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-10-17 10:30:46,255 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 42 transitions. [2022-10-17 10:30:46,256 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-10-17 10:30:46,256 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:30:46,256 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:30:46,258 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:46,258 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-10-17 10:30:46,258 INFO L748 eck$LassoCheckResult]: Stem: 609#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 610#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~ret24#1.base, main_#t~ret24#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 620#L588 assume !(main_~length1~0#1 < 1); 621#L588-2 assume !(main_~length2~0#1 < 1); 628#L591-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 615#L573 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 616#L551-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 623#L551-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 624#L551-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 625#L551-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 622#L551-1 assume !(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 598#L551-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := (if cstrlen_~s~0#1.offset - cstrlen_~str#1.offset < 0 && 0 != (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) % 1 then 1 + (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1 else (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1); 599#L553 cstrstr_#t~ret15#1 := cstrlen_#res#1;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 630#L575-4 goto; 631#L576-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 632#L577 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 617#L576 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 600#L575-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~mem9#1, cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, cstrncmp_#t~mem12#1, cstrncmp_#t~pre4#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 601#L558 assume !(0 == cstrncmp_~n#1 % 18446744073709551616); 626#L560-4 [2022-10-17 10:30:46,265 INFO L750 eck$LassoCheckResult]: Loop: 626#L560-4 call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post5#1.base, 1 + cstrncmp_#t~post5#1.offset;call cstrncmp_#t~mem7#1 := read~int(cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, 1); 604#L561 assume !(cstrncmp_#t~mem6#1 != cstrncmp_#t~mem7#1);havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset;havoc cstrncmp_#t~mem7#1;cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post11#1.base, 1 + cstrncmp_#t~post11#1.offset;call cstrncmp_#t~mem12#1 := read~int(cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, 1); 605#L563 assume !(0 == cstrncmp_#t~mem12#1);havoc cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset;havoc cstrncmp_#t~mem12#1; 611#L560-1 cstrncmp_#t~pre4#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 612#L560-2 assume !!(0 != cstrncmp_#t~pre4#1 % 18446744073709551616);havoc cstrncmp_#t~pre4#1; 626#L560-4 [2022-10-17 10:30:46,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:46,265 INFO L85 PathProgramCache]: Analyzing trace with hash -912258627, now seen corresponding path program 1 times [2022-10-17 10:30:46,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:46,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876954609] [2022-10-17 10:30:46,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:46,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:46,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:46,350 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:46,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:46,357 INFO L85 PathProgramCache]: Analyzing trace with hash 91772235, now seen corresponding path program 1 times [2022-10-17 10:30:46,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:46,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813278728] [2022-10-17 10:30:46,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:46,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:46,369 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:46,383 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:46,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:46,384 INFO L85 PathProgramCache]: Analyzing trace with hash -599457521, now seen corresponding path program 1 times [2022-10-17 10:30:46,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:46,384 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721676889] [2022-10-17 10:30:46,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:46,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:46,815 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:46,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:30:46,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721676889] [2022-10-17 10:30:46,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721676889] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 10:30:46,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097820202] [2022-10-17 10:30:46,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:46,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 10:30:46,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:46,823 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 10:30:46,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:46,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-10-17 10:30:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:46,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 10:30:46,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:30:47,038 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:47,038 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 10:30:47,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:47,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097820202] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 10:30:47,227 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-17 10:30:47,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2022-10-17 10:30:47,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422272866] [2022-10-17 10:30:47,227 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-17 10:30:47,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:30:47,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-17 10:30:47,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-10-17 10:30:47,425 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. cyclomatic complexity: 9 Second operand has 16 states, 15 states have (on average 3.4) internal successors, (51), 16 states have internal predecessors, (51), 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) [2022-10-17 10:30:47,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:30:47,607 INFO L93 Difference]: Finished difference Result 73 states and 83 transitions. [2022-10-17 10:30:47,607 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 83 transitions. [2022-10-17 10:30:47,609 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-10-17 10:30:47,610 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 41 states and 47 transitions. [2022-10-17 10:30:47,610 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2022-10-17 10:30:47,610 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-10-17 10:30:47,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 47 transitions. [2022-10-17 10:30:47,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:30:47,610 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 47 transitions. [2022-10-17 10:30:47,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 47 transitions. [2022-10-17 10:30:47,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2022-10-17 10:30:47,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.1538461538461537) internal successors, (45), 38 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) [2022-10-17 10:30:47,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2022-10-17 10:30:47,614 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 45 transitions. [2022-10-17 10:30:47,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-17 10:30:47,616 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 45 transitions. [2022-10-17 10:30:47,616 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-10-17 10:30:47,616 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 45 transitions. [2022-10-17 10:30:47,617 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-10-17 10:30:47,617 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:30:47,617 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:30:47,618 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:47,618 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-10-17 10:30:47,619 INFO L748 eck$LassoCheckResult]: Stem: 880#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 881#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~ret24#1.base, main_#t~ret24#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 896#L588 assume !(main_~length1~0#1 < 1); 897#L588-2 assume !(main_~length2~0#1 < 1); 905#L591-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 887#L573 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 888#L551-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 911#L551-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 901#L551-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 902#L551-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 899#L551-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 900#L551-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 912#L551-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 898#L551-1 assume !(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 874#L551-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := (if cstrlen_~s~0#1.offset - cstrlen_~str#1.offset < 0 && 0 != (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) % 1 then 1 + (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1 else (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1); 875#L553 cstrstr_#t~ret15#1 := cstrlen_#res#1;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 907#L575-4 goto; 908#L576-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 909#L577 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 893#L576 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 876#L575-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~mem9#1, cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, cstrncmp_#t~mem12#1, cstrncmp_#t~pre4#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 877#L558 assume !(0 == cstrncmp_~n#1 % 18446744073709551616); 903#L560-4 [2022-10-17 10:30:47,619 INFO L750 eck$LassoCheckResult]: Loop: 903#L560-4 call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post5#1.base, 1 + cstrncmp_#t~post5#1.offset;call cstrncmp_#t~mem7#1 := read~int(cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, 1); 882#L561 assume !(cstrncmp_#t~mem6#1 != cstrncmp_#t~mem7#1);havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset;havoc cstrncmp_#t~mem7#1;cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post11#1.base, 1 + cstrncmp_#t~post11#1.offset;call cstrncmp_#t~mem12#1 := read~int(cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, 1); 883#L563 assume !(0 == cstrncmp_#t~mem12#1);havoc cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset;havoc cstrncmp_#t~mem12#1; 889#L560-1 cstrncmp_#t~pre4#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 890#L560-2 assume !!(0 != cstrncmp_#t~pre4#1 % 18446744073709551616);havoc cstrncmp_#t~pre4#1; 903#L560-4 [2022-10-17 10:30:47,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:47,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1478230621, now seen corresponding path program 2 times [2022-10-17 10:30:47,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:47,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821863269] [2022-10-17 10:30:47,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:47,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:47,646 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:47,672 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:47,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:47,677 INFO L85 PathProgramCache]: Analyzing trace with hash 91772235, now seen corresponding path program 2 times [2022-10-17 10:30:47,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:47,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563957313] [2022-10-17 10:30:47,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:47,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:47,686 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:47,704 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:47,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:47,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1703636079, now seen corresponding path program 2 times [2022-10-17 10:30:47,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:47,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264014218] [2022-10-17 10:30:47,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:47,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:47,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:47,749 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:47,788 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:50,546 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:30:50,546 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:30:50,546 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:30:50,546 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:30:50,546 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:30:50,546 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:50,547 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:30:50,547 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:30:50,547 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-1.i_Iteration6_Lasso [2022-10-17 10:30:50,547 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:30:50,547 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:30:50,555 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:50,557 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:50,559 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:50,562 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:50,564 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:50,566 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,708 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,712 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,714 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,720 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,722 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,724 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,726 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,729 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,731 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,737 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,740 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,742 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,744 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,746 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,748 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,750 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,755 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,757 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,759 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,764 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,766 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,768 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,770 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,777 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,780 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,784 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,786 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,795 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,797 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,801 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,803 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,805 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,807 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,809 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:52,811 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:54,197 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:30:54,197 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:30:54,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:54,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:54,206 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:54,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-10-17 10:30:54,238 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 [2022-10-17 10:30:54,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:54,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:54,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:54,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:54,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:54,247 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:54,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:54,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:54,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:54,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:54,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:54,274 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:54,277 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 [2022-10-17 10:30:54,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-10-17 10:30:54,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:54,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:54,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:54,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:54,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:54,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:54,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:54,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:54,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-10-17 10:30:54,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:54,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:54,341 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:54,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-10-17 10:30:54,344 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 [2022-10-17 10:30:54,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:54,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:54,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:54,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:54,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:54,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:54,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:54,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:54,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:54,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:54,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:54,382 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:54,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-10-17 10:30:54,384 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 [2022-10-17 10:30:54,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:54,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:54,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:54,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:54,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:54,396 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:54,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:54,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:54,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:54,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:54,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:54,441 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:54,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-10-17 10:30:54,443 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 [2022-10-17 10:30:54,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:54,451 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:30:54,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:54,451 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:54,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:54,452 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:30:54,452 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:30:54,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:54,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-10-17 10:30:54,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:54,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:54,495 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:54,515 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 [2022-10-17 10:30:54,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:54,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:54,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:54,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:54,527 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:54,527 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:54,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-10-17 10:30:54,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:30:54,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:54,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:54,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:54,587 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:54,591 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 [2022-10-17 10:30:54,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:30:54,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:30:54,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:30:54,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:30:54,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-10-17 10:30:54,645 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:30:54,651 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:30:54,709 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:30:54,844 INFO L443 ModelExtractionUtils]: Simplification made 36 calls to the SMT solver. [2022-10-17 10:30:54,845 INFO L444 ModelExtractionUtils]: 18 out of 82 variables were initially zero. Simplification set additionally 61 variables to zero. [2022-10-17 10:30:54,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:54,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:30:54,856 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:30:54,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-10-17 10:30:54,857 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:30:54,866 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-10-17 10:30:54,866 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:30:54,866 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncmp_~s2#1.offset, v_rep(select #length ULTIMATE.start_cstrstr_~s#1.base)_2) = -1*ULTIMATE.start_cstrncmp_~s2#1.offset + 1*v_rep(select #length ULTIMATE.start_cstrstr_~s#1.base)_2 Supporting invariants [] [2022-10-17 10:30:54,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:55,377 INFO L156 tatePredicateManager]: 59 out of 61 supporting invariants were superfluous and have been removed [2022-10-17 10:30:55,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:55,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-10-17 10:30:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:55,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 36 conjunts are in the unsatisfiable core [2022-10-17 10:30:55,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:30:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:55,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 10:30:55,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:30:55,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:55,789 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 3 loop predicates [2022-10-17 10:30:55,789 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 45 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 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) [2022-10-17 10:30:55,891 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 45 transitions. cyclomatic complexity: 9. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 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) Result 63 states and 74 transitions. Complement of second has 7 states. [2022-10-17 10:30:55,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 0 non-accepting loop states 2 accepting loop states [2022-10-17 10:30:55,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 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) [2022-10-17 10:30:55,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 29 transitions. [2022-10-17 10:30:55,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 22 letters. Loop has 5 letters. [2022-10-17 10:30:55,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:30:55,895 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-10-17 10:30:55,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:55,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-17 10:30:55,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:30:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:30:56,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 10:30:56,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:30:56,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:30:56,281 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 3 loop predicates [2022-10-17 10:30:56,281 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 45 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 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) [2022-10-17 10:30:56,418 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 45 transitions. cyclomatic complexity: 9. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 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) Result 95 states and 110 transitions. Complement of second has 13 states. [2022-10-17 10:30:56,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 4 stem states 3 non-accepting loop states 2 accepting loop states [2022-10-17 10:30:56,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 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) [2022-10-17 10:30:56,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 41 transitions. [2022-10-17 10:30:56,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 41 transitions. Stem has 22 letters. Loop has 5 letters. [2022-10-17 10:30:56,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:30:56,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 41 transitions. Stem has 27 letters. Loop has 5 letters. [2022-10-17 10:30:56,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:30:56,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 41 transitions. Stem has 22 letters. Loop has 10 letters. [2022-10-17 10:30:56,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:30:56,430 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 95 states and 110 transitions. [2022-10-17 10:30:56,435 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-10-17 10:30:56,436 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 95 states to 70 states and 82 transitions. [2022-10-17 10:30:56,436 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2022-10-17 10:30:56,436 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2022-10-17 10:30:56,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 70 states and 82 transitions. [2022-10-17 10:30:56,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:30:56,437 INFO L218 hiAutomatonCegarLoop]: Abstraction has 70 states and 82 transitions. [2022-10-17 10:30:56,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states and 82 transitions. [2022-10-17 10:30:56,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 49. [2022-10-17 10:30:56,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.163265306122449) internal successors, (57), 48 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:30:56,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 57 transitions. [2022-10-17 10:30:56,442 INFO L240 hiAutomatonCegarLoop]: Abstraction has 49 states and 57 transitions. [2022-10-17 10:30:56,442 INFO L428 stractBuchiCegarLoop]: Abstraction has 49 states and 57 transitions. [2022-10-17 10:30:56,442 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-10-17 10:30:56,442 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 57 transitions. [2022-10-17 10:30:56,443 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-10-17 10:30:56,443 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:30:56,443 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:30:56,444 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:30:56,444 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-10-17 10:30:56,445 INFO L748 eck$LassoCheckResult]: Stem: 1552#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1553#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~ret24#1.base, main_#t~ret24#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 1563#L588 assume !(main_~length1~0#1 < 1); 1564#L588-2 assume !(main_~length2~0#1 < 1); 1572#L591-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 1554#L573 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 1555#L551-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 1566#L551-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 1567#L551-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 1568#L551-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 1581#L551-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 1583#L551-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 1582#L551-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 1565#L551-1 assume !(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 1542#L551-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := (if cstrlen_~s~0#1.offset - cstrlen_~str#1.offset < 0 && 0 != (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) % 1 then 1 + (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1 else (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1); 1543#L553 cstrstr_#t~ret15#1 := cstrlen_#res#1;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 1574#L575-4 goto; 1575#L576-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 1576#L577 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 1590#L576 assume !!(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 1562#L576-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 1577#L577 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 1560#L576 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 1544#L575-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~mem9#1, cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, cstrncmp_#t~mem12#1, cstrncmp_#t~pre4#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 1545#L558 assume !(0 == cstrncmp_~n#1 % 18446744073709551616); 1569#L560-4 [2022-10-17 10:30:56,445 INFO L750 eck$LassoCheckResult]: Loop: 1569#L560-4 call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post5#1.base, 1 + cstrncmp_#t~post5#1.offset;call cstrncmp_#t~mem7#1 := read~int(cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, 1); 1548#L561 assume !(cstrncmp_#t~mem6#1 != cstrncmp_#t~mem7#1);havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset;havoc cstrncmp_#t~mem7#1;cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post11#1.base, 1 + cstrncmp_#t~post11#1.offset;call cstrncmp_#t~mem12#1 := read~int(cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, 1); 1549#L563 assume !(0 == cstrncmp_#t~mem12#1);havoc cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset;havoc cstrncmp_#t~mem12#1; 1556#L560-1 cstrncmp_#t~pre4#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 1557#L560-2 assume !!(0 != cstrncmp_#t~pre4#1 % 18446744073709551616);havoc cstrncmp_#t~pre4#1; 1569#L560-4 [2022-10-17 10:30:56,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:56,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1711753785, now seen corresponding path program 1 times [2022-10-17 10:30:56,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:56,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083530116] [2022-10-17 10:30:56,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:56,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:56,473 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:56,497 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:56,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:56,497 INFO L85 PathProgramCache]: Analyzing trace with hash 91772235, now seen corresponding path program 3 times [2022-10-17 10:30:56,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:56,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905254789] [2022-10-17 10:30:56,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:56,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:56,505 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:56,512 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:56,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:30:56,513 INFO L85 PathProgramCache]: Analyzing trace with hash -234967533, now seen corresponding path program 1 times [2022-10-17 10:30:56,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:30:56,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320917299] [2022-10-17 10:30:56,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:30:56,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:30:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:56,549 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:30:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:30:56,585 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:30:58,906 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:30:58,906 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:30:58,906 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:30:58,907 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:30:58,907 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:30:58,907 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:30:58,907 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:30:58,907 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:30:58,907 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrstr-alloca-1.i_Iteration7_Lasso [2022-10-17 10:30:58,907 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:30:58,907 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:30:58,913 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:58,926 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:58,928 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:58,930 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:58,932 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:58,934 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:58,936 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:58,938 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:58,940 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:58,942 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:58,944 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:58,947 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:30:58,949 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:31:00,619 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:31:00,621 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:31:00,624 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:31:00,626 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:31:00,628 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:31:00,630 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:31:00,632 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:31:00,635 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:31:00,637 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:31:00,639 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:31:00,642 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:31:00,644 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:31:00,646 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:31:00,648 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:31:00,669 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:31:00,672 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:31:00,678 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:31:00,680 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:31:00,683 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:31:00,700 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:31:00,703 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:31:00,709 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:31:00,711 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:31:00,719 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:31:00,721 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:31:00,730 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:31:02,003 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:31:02,003 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:31:02,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:31:02,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:02,019 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:31:02,056 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 [2022-10-17 10:31:02,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-10-17 10:31:02,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:31:02,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:31:02,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:31:02,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:31:02,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:31:02,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:31:02,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:31:02,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:31:02,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-10-17 10:31:02,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:31:02,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:02,094 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:31:02,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-10-17 10:31:02,097 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 [2022-10-17 10:31:02,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:31:02,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:31:02,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:31:02,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:31:02,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:31:02,106 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:31:02,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:31:02,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:31:02,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-10-17 10:31:02,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:31:02,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:02,131 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:31:02,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-10-17 10:31:02,134 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 [2022-10-17 10:31:02,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:31:02,141 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:31:02,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:31:02,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:31:02,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:31:02,142 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:31:02,142 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:31:02,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:31:02,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-10-17 10:31:02,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:31:02,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:02,166 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:31:02,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-10-17 10:31:02,167 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 [2022-10-17 10:31:02,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:31:02,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:31:02,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:31:02,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:31:02,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:31:02,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:31:02,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:31:02,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:31:02,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-10-17 10:31:02,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:31:02,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:02,201 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:31:02,203 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 [2022-10-17 10:31:02,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-10-17 10:31:02,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:31:02,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:31:02,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:31:02,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:31:02,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:31:02,212 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:31:02,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:31:02,214 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:31:02,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-10-17 10:31:02,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:31:02,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:02,237 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:31:02,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-10-17 10:31:02,243 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 [2022-10-17 10:31:02,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:31:02,251 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:31:02,251 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:31:02,251 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:31:02,253 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:31:02,253 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:31:02,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:31:02,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-10-17 10:31:02,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:31:02,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:02,281 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:31:02,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-10-17 10:31:02,282 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 [2022-10-17 10:31:02,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:31:02,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:31:02,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:31:02,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:31:02,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:31:02,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:31:02,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:31:02,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:31:02,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-10-17 10:31:02,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:31:02,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:02,321 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:31:02,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-10-17 10:31:02,331 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 [2022-10-17 10:31:02,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:31:02,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:31:02,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:31:02,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:31:02,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:31:02,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:31:02,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:31:02,340 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:31:02,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-10-17 10:31:02,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:31:02,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:02,364 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:31:02,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-10-17 10:31:02,366 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 [2022-10-17 10:31:02,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:31:02,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:31:02,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:31:02,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:31:02,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:31:02,375 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:31:02,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:31:02,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:31:02,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-10-17 10:31:02,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:31:02,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:02,402 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:31:02,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-10-17 10:31:02,403 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 [2022-10-17 10:31:02,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:31:02,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:31:02,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:31:02,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:31:02,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:31:02,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:31:02,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:31:02,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:31:02,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-10-17 10:31:02,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:31:02,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:02,436 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:31:02,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-10-17 10:31:02,437 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 [2022-10-17 10:31:02,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:31:02,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:31:02,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:31:02,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:31:02,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:31:02,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:31:02,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:31:02,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:31:02,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-10-17 10:31:02,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:31:02,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:02,473 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:31:02,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-10-17 10:31:02,475 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 [2022-10-17 10:31:02,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:31:02,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:31:02,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:31:02,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:31:02,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:31:02,484 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:31:02,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:31:02,485 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:31:02,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-10-17 10:31:02,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:31:02,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:02,510 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:31:02,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-10-17 10:31:02,512 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 [2022-10-17 10:31:02,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:31:02,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:31:02,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:31:02,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:31:02,525 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:31:02,525 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:31:02,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:31:02,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-10-17 10:31:02,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:31:02,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:02,554 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:31:02,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-10-17 10:31:02,555 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 [2022-10-17 10:31:02,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:31:02,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:31:02,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:31:02,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:31:02,565 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:31:02,565 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:31:02,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:31:02,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-10-17 10:31:02,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:31:02,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:02,592 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:31:02,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-10-17 10:31:02,593 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 [2022-10-17 10:31:02,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:31:02,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:31:02,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:31:02,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:31:02,603 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:31:02,603 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:31:02,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:31:02,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-10-17 10:31:02,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:31:02,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:02,632 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:31:02,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-10-17 10:31:02,634 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 [2022-10-17 10:31:02,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:31:02,642 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-10-17 10:31:02,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:31:02,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:31:02,644 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-10-17 10:31:02,644 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:31:02,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:31:02,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2022-10-17 10:31:02,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:31:02,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:02,670 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:31:02,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-10-17 10:31:02,672 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 [2022-10-17 10:31:02,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:31:02,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:31:02,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:31:02,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:31:02,681 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:31:02,681 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:31:02,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:31:02,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2022-10-17 10:31:02,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:31:02,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:02,726 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:31:02,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-10-17 10:31:02,728 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 [2022-10-17 10:31:02,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:31:02,737 INFO L203 nArgumentSynthesizer]: 6 stem disjuncts [2022-10-17 10:31:02,737 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:31:02,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:31:02,773 INFO L401 nArgumentSynthesizer]: We have 36 Motzkin's Theorem applications. [2022-10-17 10:31:02,773 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-10-17 10:31:02,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:31:02,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-10-17 10:31:02,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:31:02,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:02,874 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:31:02,876 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 [2022-10-17 10:31:02,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:31:02,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:31:02,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:31:02,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:31:02,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-10-17 10:31:02,891 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:31:02,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:31:02,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:31:02,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-10-17 10:31:02,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:31:02,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:02,921 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:31:02,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-10-17 10:31:02,922 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 [2022-10-17 10:31:02,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:31:02,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:31:02,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:31:02,932 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:31:02,944 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:31:02,944 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:31:02,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:31:02,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-10-17 10:31:02,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:31:02,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:02,993 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:31:02,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-10-17 10:31:02,995 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 [2022-10-17 10:31:03,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:31:03,003 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-10-17 10:31:03,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:31:03,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:31:03,005 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-10-17 10:31:03,005 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:31:03,023 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:31:03,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-10-17 10:31:03,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:31:03,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:03,048 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:31:03,050 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 [2022-10-17 10:31:03,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-10-17 10:31:03,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:31:03,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:31:03,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:31:03,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:31:03,061 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:31:03,061 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:31:03,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:31:03,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-10-17 10:31:03,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:31:03,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:03,088 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:31:03,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-10-17 10:31:03,089 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 [2022-10-17 10:31:03,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:31:03,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:31:03,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:31:03,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:31:03,121 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:31:03,121 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:31:03,178 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:31:03,227 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-10-17 10:31:03,227 INFO L444 ModelExtractionUtils]: 60 out of 73 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-10-17 10:31:03,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:31:03,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:31:03,233 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:31:03,237 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:31:03,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-10-17 10:31:03,259 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-10-17 10:31:03,259 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:31:03,259 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrncmp_~s1#1.base)_2, ULTIMATE.start_cstrncmp_~s1#1.offset) = 1*v_rep(select #length ULTIMATE.start_cstrncmp_~s1#1.base)_2 - 1*ULTIMATE.start_cstrncmp_~s1#1.offset Supporting invariants [] [2022-10-17 10:31:03,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-10-17 10:31:03,717 INFO L156 tatePredicateManager]: 55 out of 55 supporting invariants were superfluous and have been removed [2022-10-17 10:31:03,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:31:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:03,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:31:03,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:31:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:31:03,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 10:31:03,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:31:03,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:31:03,873 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-10-17 10:31:03,873 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 57 transitions. cyclomatic complexity: 12 Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 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) [2022-10-17 10:31:03,907 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 57 transitions. cyclomatic complexity: 12. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 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) Result 102 states and 121 transitions. Complement of second has 7 states. [2022-10-17 10:31:03,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-10-17 10:31:03,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 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) [2022-10-17 10:31:03,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 35 transitions. [2022-10-17 10:31:03,912 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 25 letters. Loop has 5 letters. [2022-10-17 10:31:03,913 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:31:03,913 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 30 letters. Loop has 5 letters. [2022-10-17 10:31:03,913 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:31:03,913 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 35 transitions. Stem has 25 letters. Loop has 10 letters. [2022-10-17 10:31:03,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:31:03,916 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 121 transitions. [2022-10-17 10:31:03,922 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-10-17 10:31:03,924 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 77 states and 91 transitions. [2022-10-17 10:31:03,924 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2022-10-17 10:31:03,925 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2022-10-17 10:31:03,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 77 states and 91 transitions. [2022-10-17 10:31:03,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-10-17 10:31:03,925 INFO L218 hiAutomatonCegarLoop]: Abstraction has 77 states and 91 transitions. [2022-10-17 10:31:03,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states and 91 transitions. [2022-10-17 10:31:03,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 54. [2022-10-17 10:31:03,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.1666666666666667) internal successors, (63), 53 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:31:03,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 63 transitions. [2022-10-17 10:31:03,974 INFO L240 hiAutomatonCegarLoop]: Abstraction has 54 states and 63 transitions. [2022-10-17 10:31:03,974 INFO L428 stractBuchiCegarLoop]: Abstraction has 54 states and 63 transitions. [2022-10-17 10:31:03,974 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-10-17 10:31:03,974 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states and 63 transitions. [2022-10-17 10:31:03,974 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-10-17 10:31:03,974 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:31:03,975 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:31:03,976 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:31:03,976 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-10-17 10:31:03,976 INFO L748 eck$LassoCheckResult]: Stem: 2037#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2038#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet20#1, main_#t~nondet21#1, main_#t~malloc22#1.base, main_#t~malloc22#1.offset, main_#t~malloc23#1.base, main_#t~malloc23#1.offset, main_#t~ret24#1.base, main_#t~ret24#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet20#1;havoc main_#t~nondet20#1;main_~length2~0#1 := main_#t~nondet21#1;havoc main_#t~nondet21#1; 2052#L588 assume !(main_~length1~0#1 < 1); 2053#L588-2 assume !(main_~length2~0#1 < 1); 2057#L591-1 call main_#t~malloc22#1.base, main_#t~malloc22#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc22#1.base, main_#t~malloc22#1.offset;call main_#t~malloc23#1.base, main_#t~malloc23#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc23#1.base, main_#t~malloc23#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrstr } true;cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset, cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrstr_#res#1.base, cstrstr_#res#1.offset;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, cstrstr_#t~mem14#1, cstrstr_#t~ret15#1, cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, cstrstr_#t~mem18#1, cstrstr_#t~ret16#1, cstrstr_#t~post19#1.base, cstrstr_#t~post19#1.offset, cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~c~0#1, cstrstr_~sc~0#1, cstrstr_~len~0#1;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#in~s#1.base, cstrstr_#in~s#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#in~find#1.base, cstrstr_#in~find#1.offset;havoc cstrstr_~c~0#1;havoc cstrstr_~sc~0#1;havoc cstrstr_~len~0#1;cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;cstrstr_~find#1.base, cstrstr_~find#1.offset := cstrstr_#t~post13#1.base, 1 + cstrstr_#t~post13#1.offset;call cstrstr_#t~mem14#1 := read~int(cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset, 1);cstrstr_~c~0#1 := cstrstr_#t~mem14#1; 2039#L573 assume 0 != cstrstr_~c~0#1;havoc cstrstr_#t~post13#1.base, cstrstr_#t~post13#1.offset;havoc cstrstr_#t~mem14#1;assume { :begin_inline_cstrlen } true;cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset := cstrstr_~find#1.base, cstrstr_~find#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset, cstrlen_#t~mem3#1, cstrlen_~str#1.base, cstrlen_~str#1.offset, cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~str#1.base, cstrlen_~str#1.offset := cstrlen_#in~str#1.base, cstrlen_#in~str#1.offset;havoc cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~str#1.base, cstrlen_~str#1.offset; 2040#L551-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 2049#L551-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 2050#L551-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 2051#L551-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 2070#L551-1 assume !!(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 2072#L551-3 cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset := cstrlen_~s~0#1.base, 1 + cstrlen_~s~0#1.offset;havoc cstrlen_#t~pre2#1.base, cstrlen_#t~pre2#1.offset; 2071#L551-4 call cstrlen_#t~mem3#1 := read~int(cstrlen_~s~0#1.base, cstrlen_~s~0#1.offset, 1); 2048#L551-1 assume !(0 != cstrlen_#t~mem3#1);havoc cstrlen_#t~mem3#1; 2027#L551-5 assume cstrlen_~s~0#1.base == cstrlen_~str#1.base;cstrlen_#res#1 := (if cstrlen_~s~0#1.offset - cstrlen_~str#1.offset < 0 && 0 != (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) % 1 then 1 + (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1 else (cstrlen_~s~0#1.offset - cstrlen_~str#1.offset) / 1); 2028#L553 cstrstr_#t~ret15#1 := cstrlen_#res#1;assume { :end_inline_cstrlen } true;cstrstr_~len~0#1 := cstrstr_#t~ret15#1;havoc cstrstr_#t~ret15#1; 2060#L575-4 goto; 2061#L576-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 2062#L577 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 2046#L576 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 2031#L575-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~mem9#1, cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, cstrncmp_#t~mem12#1, cstrncmp_#t~pre4#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 2032#L558 assume !(0 == cstrncmp_~n#1 % 18446744073709551616); 2063#L560-4 call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post5#1.base, 1 + cstrncmp_#t~post5#1.offset;call cstrncmp_#t~mem7#1 := read~int(cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, 1); 2056#L561 assume cstrncmp_#t~mem6#1 != cstrncmp_#t~mem7#1;havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset;havoc cstrncmp_#t~mem7#1;call cstrncmp_#t~mem9#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset - 1;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset - 1;call cstrncmp_#t~mem10#1 := read~int(cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, 1);cstrncmp_#res#1 := cstrncmp_#t~mem9#1 % 256 - cstrncmp_#t~mem10#1 % 256;havoc cstrncmp_#t~mem9#1;havoc cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset;havoc cstrncmp_#t~mem10#1; 2058#L566 cstrstr_#t~ret16#1 := cstrncmp_#res#1;assume { :end_inline_cstrncmp } true; 2059#L575-2 assume !!(0 != cstrstr_#t~ret16#1);havoc cstrstr_#t~ret16#1; 2064#L575-4 goto; 2067#L576-2 cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset := cstrstr_~s#1.base, cstrstr_~s#1.offset;cstrstr_~s#1.base, cstrstr_~s#1.offset := cstrstr_#t~post17#1.base, 1 + cstrstr_#t~post17#1.offset;call cstrstr_#t~mem18#1 := read~int(cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset, 1);cstrstr_~sc~0#1 := cstrstr_#t~mem18#1; 2073#L577 assume !(0 == cstrstr_~sc~0#1);havoc cstrstr_#t~post17#1.base, cstrstr_#t~post17#1.offset;havoc cstrstr_#t~mem18#1; 2045#L576 assume !(cstrstr_~sc~0#1 != cstrstr_~c~0#1); 2029#L575-1 assume { :begin_inline_cstrncmp } true;cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset, cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset, cstrncmp_#in~n#1 := cstrstr_~s#1.base, cstrstr_~s#1.offset, cstrstr_~find#1.base, cstrstr_~find#1.offset, cstrstr_~len~0#1;havoc cstrncmp_#res#1;havoc cstrncmp_#t~mem6#1, cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, cstrncmp_#t~mem7#1, cstrncmp_#t~mem9#1, cstrncmp_#t~pre8#1.base, cstrncmp_#t~pre8#1.offset, cstrncmp_#t~mem10#1, cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, cstrncmp_#t~mem12#1, cstrncmp_#t~pre4#1, cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset, cstrncmp_~n#1;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#in~s1#1.base, cstrncmp_#in~s1#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#in~s2#1.base, cstrncmp_#in~s2#1.offset;cstrncmp_~n#1 := cstrncmp_#in~n#1; 2030#L558 assume !(0 == cstrncmp_~n#1 % 18446744073709551616); 2054#L560-4 [2022-10-17 10:31:03,976 INFO L750 eck$LassoCheckResult]: Loop: 2054#L560-4 call cstrncmp_#t~mem6#1 := read~int(cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset, 1);cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset := cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset;cstrncmp_~s2#1.base, cstrncmp_~s2#1.offset := cstrncmp_#t~post5#1.base, 1 + cstrncmp_#t~post5#1.offset;call cstrncmp_#t~mem7#1 := read~int(cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset, 1); 2033#L561 assume !(cstrncmp_#t~mem6#1 != cstrncmp_#t~mem7#1);havoc cstrncmp_#t~mem6#1;havoc cstrncmp_#t~post5#1.base, cstrncmp_#t~post5#1.offset;havoc cstrncmp_#t~mem7#1;cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset := cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset;cstrncmp_~s1#1.base, cstrncmp_~s1#1.offset := cstrncmp_#t~post11#1.base, 1 + cstrncmp_#t~post11#1.offset;call cstrncmp_#t~mem12#1 := read~int(cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset, 1); 2034#L563 assume !(0 == cstrncmp_#t~mem12#1);havoc cstrncmp_#t~post11#1.base, cstrncmp_#t~post11#1.offset;havoc cstrncmp_#t~mem12#1; 2041#L560-1 cstrncmp_#t~pre4#1 := cstrncmp_~n#1 - 1;cstrncmp_~n#1 := cstrncmp_~n#1 - 1; 2042#L560-2 assume !!(0 != cstrncmp_#t~pre4#1 % 18446744073709551616);havoc cstrncmp_#t~pre4#1; 2054#L560-4 [2022-10-17 10:31:03,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:31:03,977 INFO L85 PathProgramCache]: Analyzing trace with hash -2051218895, now seen corresponding path program 1 times [2022-10-17 10:31:03,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:31:03,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326932160] [2022-10-17 10:31:03,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:31:03,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:31:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:31:04,064 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:31:04,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf8090e1-da8e-4202-91ce-9168bedca736/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-10-17 10:31:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:31:04,106 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:31:04,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:31:04,107 INFO L85 PathProgramCache]: Analyzing trace with hash 91772235, now seen corresponding path program 4 times [2022-10-17 10:31:04,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:31:04,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801536969] [2022-10-17 10:31:04,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:31:04,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:31:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:31:04,114 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:31:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:31:04,120 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:31:04,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:31:04,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1369353957, now seen corresponding path program 1 times [2022-10-17 10:31:04,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:31:04,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703941928] [2022-10-17 10:31:04,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:31:04,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:31:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:31:04,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:31:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:31:04,281 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace