./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/list-ext-properties/test-0232_1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/list-ext-properties/test-0232_1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS --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 32bit --witnessprinter.graph.data.programhash b36390e4ace21fb538f0c1df6f562bcf2825b5901fb45d9987e6242615034592 --- 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-4e7fbc6 [2022-11-23 01:57:34,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 01:57:34,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 01:57:34,096 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 01:57:34,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 01:57:34,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 01:57:34,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 01:57:34,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 01:57:34,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 01:57:34,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 01:57:34,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 01:57:34,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 01:57:34,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 01:57:34,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 01:57:34,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 01:57:34,131 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 01:57:34,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 01:57:34,134 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 01:57:34,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 01:57:34,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 01:57:34,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 01:57:34,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 01:57:34,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 01:57:34,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 01:57:34,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 01:57:34,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 01:57:34,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 01:57:34,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 01:57:34,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 01:57:34,172 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 01:57:34,172 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 01:57:34,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 01:57:34,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 01:57:34,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 01:57:34,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 01:57:34,180 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 01:57:34,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 01:57:34,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 01:57:34,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 01:57:34,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 01:57:34,185 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 01:57:34,186 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-23 01:57:34,243 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 01:57:34,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 01:57:34,244 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 01:57:34,245 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 01:57:34,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 01:57:34,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 01:57:34,247 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 01:57:34,247 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-23 01:57:34,248 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-23 01:57:34,248 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-23 01:57:34,249 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-23 01:57:34,250 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-23 01:57:34,250 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-23 01:57:34,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 01:57:34,251 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 01:57:34,251 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 01:57:34,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 01:57:34,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 01:57:34,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 01:57:34,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-23 01:57:34,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-23 01:57:34,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-23 01:57:34,253 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 01:57:34,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 01:57:34,253 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-23 01:57:34,254 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 01:57:34,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-23 01:57:34,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 01:57:34,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 01:57:34,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 01:57:34,256 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 01:57:34,258 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-23 01:57:34,258 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_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b36390e4ace21fb538f0c1df6f562bcf2825b5901fb45d9987e6242615034592 [2022-11-23 01:57:34,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 01:57:34,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 01:57:34,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 01:57:34,711 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 01:57:34,711 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 01:57:34,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/list-ext-properties/test-0232_1-1.i [2022-11-23 01:57:38,240 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 01:57:38,523 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 01:57:38,524 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/sv-benchmarks/c/list-ext-properties/test-0232_1-1.i [2022-11-23 01:57:38,539 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/data/dc72ab3c5/5a9a70f3ec4c48b2805396271c758c4f/FLAG5bed4b527 [2022-11-23 01:57:38,558 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/data/dc72ab3c5/5a9a70f3ec4c48b2805396271c758c4f [2022-11-23 01:57:38,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 01:57:38,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 01:57:38,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 01:57:38,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 01:57:38,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 01:57:38,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:57:38" (1/1) ... [2022-11-23 01:57:38,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@312a952a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:38, skipping insertion in model container [2022-11-23 01:57:38,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:57:38" (1/1) ... [2022-11-23 01:57:38,581 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 01:57:38,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 01:57:39,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:57:39,028 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 01:57:39,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:57:39,153 INFO L208 MainTranslator]: Completed translation [2022-11-23 01:57:39,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:39 WrapperNode [2022-11-23 01:57:39,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 01:57:39,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 01:57:39,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 01:57:39,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 01:57:39,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:39" (1/1) ... [2022-11-23 01:57:39,206 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:39" (1/1) ... [2022-11-23 01:57:39,241 INFO L138 Inliner]: procedures = 126, calls = 33, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2022-11-23 01:57:39,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 01:57:39,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 01:57:39,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 01:57:39,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 01:57:39,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:39" (1/1) ... [2022-11-23 01:57:39,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:39" (1/1) ... [2022-11-23 01:57:39,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:39" (1/1) ... [2022-11-23 01:57:39,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:39" (1/1) ... [2022-11-23 01:57:39,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:39" (1/1) ... [2022-11-23 01:57:39,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:39" (1/1) ... [2022-11-23 01:57:39,278 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:39" (1/1) ... [2022-11-23 01:57:39,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:39" (1/1) ... [2022-11-23 01:57:39,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 01:57:39,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 01:57:39,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 01:57:39,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 01:57:39,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:39" (1/1) ... [2022-11-23 01:57:39,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:57:39,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:57:39,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:57:39,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-23 01:57:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 01:57:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 01:57:39,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 01:57:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 01:57:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 01:57:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 01:57:39,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 01:57:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 01:57:39,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 01:57:39,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 01:57:39,566 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 01:57:39,569 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 01:57:39,873 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 01:57:39,880 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 01:57:39,881 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 01:57:39,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:57:39 BoogieIcfgContainer [2022-11-23 01:57:39,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 01:57:39,885 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-23 01:57:39,885 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-23 01:57:39,890 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-23 01:57:39,891 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 01:57:39,891 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 01:57:38" (1/3) ... [2022-11-23 01:57:39,893 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b2ee006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:57:39, skipping insertion in model container [2022-11-23 01:57:39,893 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 01:57:39,893 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:57:39" (2/3) ... [2022-11-23 01:57:39,894 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b2ee006 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:57:39, skipping insertion in model container [2022-11-23 01:57:39,894 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 01:57:39,894 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:57:39" (3/3) ... [2022-11-23 01:57:39,896 INFO L332 chiAutomizerObserver]: Analyzing ICFG test-0232_1-1.i [2022-11-23 01:57:39,960 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-23 01:57:39,960 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-23 01:57:39,960 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-23 01:57:39,960 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-23 01:57:39,960 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-23 01:57:39,960 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-23 01:57:39,960 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-23 01:57:39,961 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-23 01:57:39,965 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 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) [2022-11-23 01:57:39,985 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-23 01:57:39,985 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 01:57:39,985 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 01:57:39,991 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-23 01:57:39,992 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-23 01:57:39,992 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-23 01:57:39,992 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 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) [2022-11-23 01:57:39,994 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-23 01:57:39,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 01:57:39,994 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 01:57:39,995 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-23 01:57:39,995 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-23 01:57:40,006 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);~c~0 := 0; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post12#1, main_#t~nondet11#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~post18#1, main_~next~0#1.base, main_~next~0#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~post22#1, main_~next~1#1.base, main_~next~1#1.offset, main_~#list~0#1.base, main_~#list~0#1.offset, main_~length~0#1;call main_~#list~0#1.base, main_~#list~0#1.offset := #Ultimate.allocOnStack(4);call write~init~$Pointer$(0, 0, main_~#list~0#1.base, main_~#list~0#1.offset, 4);main_~length~0#1 := 0; 15#L543-3true [2022-11-23 01:57:40,007 INFO L750 eck$LassoCheckResult]: Loop: 15#L543-3true assume { :begin_inline_append } true;append_#in~plist#1.base, append_#in~plist#1.offset := main_~#list~0#1.base, main_~#list~0#1.offset;havoc append_#t~post3#1, append_#t~malloc4#1.base, append_#t~malloc4#1.offset, append_#t~mem5#1.base, append_#t~mem5#1.offset, append_#t~mem6#1.base, append_#t~mem6#1.offset, append_#t~ite10#1.base, append_#t~ite10#1.offset, append_#t~mem7#1.base, append_#t~mem7#1.offset, append_#t~mem8#1.base, append_#t~mem8#1.offset, append_#t~malloc9#1.base, append_#t~malloc9#1.offset, append_~plist#1.base, append_~plist#1.offset, append_~item~0#1.base, append_~item~0#1.offset;append_~plist#1.base, append_~plist#1.offset := append_#in~plist#1.base, append_#in~plist#1.offset;append_#t~post3#1 := ~c~0;~c~0 := 1 + append_#t~post3#1;havoc append_#t~post3#1;call append_#t~malloc4#1.base, append_#t~malloc4#1.offset := #Ultimate.allocOnHeap(8);append_~item~0#1.base, append_~item~0#1.offset := append_#t~malloc4#1.base, append_#t~malloc4#1.offset;havoc append_#t~malloc4#1.base, append_#t~malloc4#1.offset;call append_#t~mem5#1.base, append_#t~mem5#1.offset := read~$Pointer$(append_~plist#1.base, append_~plist#1.offset, 4);call write~$Pointer$(append_#t~mem5#1.base, append_#t~mem5#1.offset, append_~item~0#1.base, append_~item~0#1.offset, 4);havoc append_#t~mem5#1.base, append_#t~mem5#1.offset;call append_#t~mem6#1.base, append_#t~mem6#1.offset := read~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, 4); 4#L534true assume append_#t~mem6#1.base != 0 || append_#t~mem6#1.offset != 0;call append_#t~mem7#1.base, append_#t~mem7#1.offset := read~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, 4);call append_#t~mem8#1.base, append_#t~mem8#1.offset := read~$Pointer$(append_#t~mem7#1.base, 4 + append_#t~mem7#1.offset, 4);append_#t~ite10#1.base, append_#t~ite10#1.offset := append_#t~mem8#1.base, append_#t~mem8#1.offset; 12#L534-2true call write~$Pointer$(append_#t~ite10#1.base, append_#t~ite10#1.offset, append_~item~0#1.base, 4 + append_~item~0#1.offset, 4);havoc append_#t~mem6#1.base, append_#t~mem6#1.offset;havoc append_#t~ite10#1.base, append_#t~ite10#1.offset;havoc append_#t~mem7#1.base, append_#t~mem7#1.offset;havoc append_#t~mem8#1.base, append_#t~mem8#1.offset;havoc append_#t~malloc9#1.base, append_#t~malloc9#1.offset;call write~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, append_~plist#1.base, append_~plist#1.offset, 4); 7#L529true assume { :end_inline_append } true;main_#t~post12#1 := main_~length~0#1;main_~length~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 10#L543-1true assume !!(0 != main_#t~nondet11#1 && ~c~0 < 20);havoc main_#t~nondet11#1; 15#L543-3true [2022-11-23 01:57:40,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:57:40,013 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-23 01:57:40,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:57:40,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249416124] [2022-11-23 01:57:40,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:57:40,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:57:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:57:40,169 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:57:40,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:57:40,222 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:57:40,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:57:40,226 INFO L85 PathProgramCache]: Analyzing trace with hash 34451375, now seen corresponding path program 1 times [2022-11-23 01:57:40,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:57:40,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117315044] [2022-11-23 01:57:40,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:57:40,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:57:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:57:40,339 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:57:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:57:40,393 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:57:40,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:57:40,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1805890861, now seen corresponding path program 1 times [2022-11-23 01:57:40,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:57:40,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068104246] [2022-11-23 01:57:40,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:57:40,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:57:40,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:41,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:57:41,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:57:41,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068104246] [2022-11-23 01:57:41,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068104246] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:57:41,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:57:41,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:57:41,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037606961] [2022-11-23 01:57:41,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:57:43,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:57:43,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:57:43,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:57:43,627 INFO L87 Difference]: Start difference. First operand has 15 states, 14 states have (on average 1.5) internal successors, (21), 14 states have internal predecessors, (21), 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 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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) [2022-11-23 01:57:43,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:57:43,738 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2022-11-23 01:57:43,739 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2022-11-23 01:57:43,741 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-23 01:57:43,745 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 15 states and 19 transitions. [2022-11-23 01:57:43,746 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-11-23 01:57:43,746 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-11-23 01:57:43,747 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2022-11-23 01:57:43,747 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 01:57:43,747 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-23 01:57:43,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2022-11-23 01:57:43,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. [2022-11-23 01:57:43,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 12 states have internal predecessors, (17), 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) [2022-11-23 01:57:43,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2022-11-23 01:57:43,778 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-23 01:57:43,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 01:57:43,795 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2022-11-23 01:57:43,795 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-23 01:57:43,795 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2022-11-23 01:57:43,796 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-23 01:57:43,797 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 01:57:43,797 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 01:57:43,797 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-23 01:57:43,798 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-23 01:57:43,798 INFO L748 eck$LassoCheckResult]: Stem: 50#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);~c~0 := 0; 51#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post12#1, main_#t~nondet11#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~post18#1, main_~next~0#1.base, main_~next~0#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~post22#1, main_~next~1#1.base, main_~next~1#1.offset, main_~#list~0#1.base, main_~#list~0#1.offset, main_~length~0#1;call main_~#list~0#1.base, main_~#list~0#1.offset := #Ultimate.allocOnStack(4);call write~init~$Pointer$(0, 0, main_~#list~0#1.base, main_~#list~0#1.offset, 4);main_~length~0#1 := 0; 57#L543-3 assume { :begin_inline_append } true;append_#in~plist#1.base, append_#in~plist#1.offset := main_~#list~0#1.base, main_~#list~0#1.offset;havoc append_#t~post3#1, append_#t~malloc4#1.base, append_#t~malloc4#1.offset, append_#t~mem5#1.base, append_#t~mem5#1.offset, append_#t~mem6#1.base, append_#t~mem6#1.offset, append_#t~ite10#1.base, append_#t~ite10#1.offset, append_#t~mem7#1.base, append_#t~mem7#1.offset, append_#t~mem8#1.base, append_#t~mem8#1.offset, append_#t~malloc9#1.base, append_#t~malloc9#1.offset, append_~plist#1.base, append_~plist#1.offset, append_~item~0#1.base, append_~item~0#1.offset;append_~plist#1.base, append_~plist#1.offset := append_#in~plist#1.base, append_#in~plist#1.offset;append_#t~post3#1 := ~c~0;~c~0 := 1 + append_#t~post3#1;havoc append_#t~post3#1;call append_#t~malloc4#1.base, append_#t~malloc4#1.offset := #Ultimate.allocOnHeap(8);append_~item~0#1.base, append_~item~0#1.offset := append_#t~malloc4#1.base, append_#t~malloc4#1.offset;havoc append_#t~malloc4#1.base, append_#t~malloc4#1.offset;call append_#t~mem5#1.base, append_#t~mem5#1.offset := read~$Pointer$(append_~plist#1.base, append_~plist#1.offset, 4);call write~$Pointer$(append_#t~mem5#1.base, append_#t~mem5#1.offset, append_~item~0#1.base, append_~item~0#1.offset, 4);havoc append_#t~mem5#1.base, append_#t~mem5#1.offset;call append_#t~mem6#1.base, append_#t~mem6#1.offset := read~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, 4); 52#L534 assume !(append_#t~mem6#1.base != 0 || append_#t~mem6#1.offset != 0);call append_#t~malloc9#1.base, append_#t~malloc9#1.offset := #Ultimate.allocOnHeap(8);append_#t~ite10#1.base, append_#t~ite10#1.offset := append_#t~malloc9#1.base, append_#t~malloc9#1.offset; 48#L534-2 [2022-11-23 01:57:43,799 INFO L750 eck$LassoCheckResult]: Loop: 48#L534-2 call write~$Pointer$(append_#t~ite10#1.base, append_#t~ite10#1.offset, append_~item~0#1.base, 4 + append_~item~0#1.offset, 4);havoc append_#t~mem6#1.base, append_#t~mem6#1.offset;havoc append_#t~ite10#1.base, append_#t~ite10#1.offset;havoc append_#t~mem7#1.base, append_#t~mem7#1.offset;havoc append_#t~mem8#1.base, append_#t~mem8#1.offset;havoc append_#t~malloc9#1.base, append_#t~malloc9#1.offset;call write~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, append_~plist#1.base, append_~plist#1.offset, 4); 49#L529 assume { :end_inline_append } true;main_#t~post12#1 := main_~length~0#1;main_~length~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 55#L543-1 assume !!(0 != main_#t~nondet11#1 && ~c~0 < 20);havoc main_#t~nondet11#1; 59#L543-3 assume { :begin_inline_append } true;append_#in~plist#1.base, append_#in~plist#1.offset := main_~#list~0#1.base, main_~#list~0#1.offset;havoc append_#t~post3#1, append_#t~malloc4#1.base, append_#t~malloc4#1.offset, append_#t~mem5#1.base, append_#t~mem5#1.offset, append_#t~mem6#1.base, append_#t~mem6#1.offset, append_#t~ite10#1.base, append_#t~ite10#1.offset, append_#t~mem7#1.base, append_#t~mem7#1.offset, append_#t~mem8#1.base, append_#t~mem8#1.offset, append_#t~malloc9#1.base, append_#t~malloc9#1.offset, append_~plist#1.base, append_~plist#1.offset, append_~item~0#1.base, append_~item~0#1.offset;append_~plist#1.base, append_~plist#1.offset := append_#in~plist#1.base, append_#in~plist#1.offset;append_#t~post3#1 := ~c~0;~c~0 := 1 + append_#t~post3#1;havoc append_#t~post3#1;call append_#t~malloc4#1.base, append_#t~malloc4#1.offset := #Ultimate.allocOnHeap(8);append_~item~0#1.base, append_~item~0#1.offset := append_#t~malloc4#1.base, append_#t~malloc4#1.offset;havoc append_#t~malloc4#1.base, append_#t~malloc4#1.offset;call append_#t~mem5#1.base, append_#t~mem5#1.offset := read~$Pointer$(append_~plist#1.base, append_~plist#1.offset, 4);call write~$Pointer$(append_#t~mem5#1.base, append_#t~mem5#1.offset, append_~item~0#1.base, append_~item~0#1.offset, 4);havoc append_#t~mem5#1.base, append_#t~mem5#1.offset;call append_#t~mem6#1.base, append_#t~mem6#1.offset := read~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, 4); 60#L534 assume append_#t~mem6#1.base != 0 || append_#t~mem6#1.offset != 0;call append_#t~mem7#1.base, append_#t~mem7#1.offset := read~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, 4);call append_#t~mem8#1.base, append_#t~mem8#1.offset := read~$Pointer$(append_#t~mem7#1.base, 4 + append_#t~mem7#1.offset, 4);append_#t~ite10#1.base, append_#t~ite10#1.offset := append_#t~mem8#1.base, append_#t~mem8#1.offset; 48#L534-2 [2022-11-23 01:57:43,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:57:43,801 INFO L85 PathProgramCache]: Analyzing trace with hash 925640, now seen corresponding path program 1 times [2022-11-23 01:57:43,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:57:43,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68962289] [2022-11-23 01:57:43,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:57:43,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:57:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:57:43,824 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:57:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:57:43,859 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:57:43,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:57:43,864 INFO L85 PathProgramCache]: Analyzing trace with hash 41102165, now seen corresponding path program 2 times [2022-11-23 01:57:43,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:57:43,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344452270] [2022-11-23 01:57:43,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:57:43,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:57:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:57:43,893 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:57:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:57:43,907 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:57:43,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:57:43,918 INFO L85 PathProgramCache]: Analyzing trace with hash 351588334, now seen corresponding path program 1 times [2022-11-23 01:57:43,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:57:43,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950641278] [2022-11-23 01:57:43,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:57:43,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:57:44,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:57:44,003 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:57:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:57:44,061 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:57:47,248 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 01:57:47,248 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 01:57:47,249 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 01:57:47,249 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 01:57:47,249 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 01:57:47,249 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:57:47,249 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 01:57:47,249 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 01:57:47,250 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-0232_1-1.i_Iteration2_Lasso [2022-11-23 01:57:47,250 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 01:57:47,250 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 01:57:47,279 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:47,289 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:47,294 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:47,296 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:47,299 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:47,301 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:47,304 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:47,306 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:47,309 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:47,312 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:47,314 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:47,317 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:47,320 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:47,322 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:47,325 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:47,327 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:47,330 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:47,337 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:47,340 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:47,343 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:47,346 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:47,349 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:47,352 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:47,354 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:47,357 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:47,359 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:47,362 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:47,365 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:47,368 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:49,434 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:49,437 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:49,439 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:49,443 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:49,446 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:49,448 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:49,451 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:49,453 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:49,456 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:57:50,974 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 01:57:50,979 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 01:57:50,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:57:50,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:57:50,982 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:57:50,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-23 01:57:50,988 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 [2022-11-23 01:57:51,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:57:51,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:57:51,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:57:51,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:57:51,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:57:51,005 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:57:51,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:57:51,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:57:51,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-23 01:57:51,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:57:51,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:57:51,020 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:57:51,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-23 01:57:51,024 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 [2022-11-23 01:57:51,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:57:51,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:57:51,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:57:51,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:57:51,043 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:57:51,043 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:57:51,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:57:51,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-23 01:57:51,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:57:51,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:57:51,076 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:57:51,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-23 01:57:51,088 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 [2022-11-23 01:57:51,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:57:51,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:57:51,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:57:51,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:57:51,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:57:51,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:57:51,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:57:51,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:57:51,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-23 01:57:51,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:57:51,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:57:51,126 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:57:51,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-23 01:57:51,140 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 [2022-11-23 01:57:51,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:57:51,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:57:51,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:57:51,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:57:51,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:57:51,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:57:51,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:57:51,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:57:51,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-23 01:57:51,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:57:51,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:57:51,191 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:57:51,204 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 [2022-11-23 01:57:51,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-23 01:57:51,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:57:51,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:57:51,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:57:51,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:57:51,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:57:51,220 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:57:51,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:57:51,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:57:51,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-23 01:57:51,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:57:51,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:57:51,242 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:57:51,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-23 01:57:51,250 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 [2022-11-23 01:57:51,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:57:51,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:57:51,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:57:51,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:57:51,264 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:57:51,264 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:57:51,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:57:51,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-23 01:57:51,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:57:51,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:57:51,291 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:57:51,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-23 01:57:51,300 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 [2022-11-23 01:57:51,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:57:51,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:57:51,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:57:51,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:57:51,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:57:51,315 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:57:51,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:57:51,324 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:57:51,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-23 01:57:51,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:57:51,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:57:51,334 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:57:51,345 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 [2022-11-23 01:57:51,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:57:51,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:57:51,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:57:51,358 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-23 01:57:51,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:57:51,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-23 01:57:51,360 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-23 01:57:51,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:57:51,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:57:51,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-23 01:57:51,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:57:51,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:57:51,397 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:57:51,401 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 [2022-11-23 01:57:51,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:57:51,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:57:51,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:57:51,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:57:51,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:57:51,414 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:57:51,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:57:51,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-23 01:57:51,435 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:57:51,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-23 01:57:51,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:57:51,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:57:51,450 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:57:51,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-23 01:57:51,456 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 [2022-11-23 01:57:51,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:57:51,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:57:51,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:57:51,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:57:51,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:57:51,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:57:51,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:57:51,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:57:51,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-23 01:57:51,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:57:51,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:57:51,473 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:57:51,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-23 01:57:51,476 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 [2022-11-23 01:57:51,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:57:51,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:57:51,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:57:51,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:57:51,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:57:51,489 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:57:51,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:57:51,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-23 01:57:51,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:57:51,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:57:51,521 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:57:51,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-23 01:57:51,525 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 [2022-11-23 01:57:51,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:57:51,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:57:51,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:57:51,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:57:51,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:57:51,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:57:51,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:57:51,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:57:51,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-11-23 01:57:51,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:57:51,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:57:51,543 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:57:51,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-23 01:57:51,548 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 [2022-11-23 01:57:51,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:57:51,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:57:51,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:57:51,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:57:51,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:57:51,560 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:57:51,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:57:51,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:57:51,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-23 01:57:51,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:57:51,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:57:51,569 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:57:51,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-23 01:57:51,587 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 [2022-11-23 01:57:51,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:57:51,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:57:51,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:57:51,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:57:51,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:57:51,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:57:51,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:57:51,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:57:51,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-23 01:57:51,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:57:51,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:57:51,606 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:57:51,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-23 01:57:51,609 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 [2022-11-23 01:57:51,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:57:51,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:57:51,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:57:51,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:57:51,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:57:51,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:57:51,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:57:51,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:57:51,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-23 01:57:51,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:57:51,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:57:51,650 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:57:51,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-23 01:57:51,656 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 [2022-11-23 01:57:51,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:57:51,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:57:51,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:57:51,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:57:51,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:57:51,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:57:51,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:57:51,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:57:51,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-23 01:57:51,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:57:51,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:57:51,693 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:57:51,705 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 [2022-11-23 01:57:51,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:57:51,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:57:51,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:57:51,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:57:51,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-23 01:57:51,723 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:57:51,723 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:57:51,735 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 01:57:51,777 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-23 01:57:51,777 INFO L444 ModelExtractionUtils]: 0 out of 7 variables were initially zero. Simplification set additionally 4 variables to zero. [2022-11-23 01:57:51,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:57:51,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:57:51,819 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:57:51,853 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 01:57:51,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-23 01:57:51,882 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-23 01:57:51,882 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 01:57:51,882 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~c~0) = -2*~c~0 + 39 Supporting invariants [] [2022-11-23 01:57:51,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2022-11-23 01:57:51,989 INFO L156 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2022-11-23 01:57:52,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:57:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:52,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 01:57:52,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:57:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:52,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 01:57:52,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:57:52,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:57:52,182 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 [2022-11-23 01:57:52,184 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 6 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 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) [2022-11-23 01:57:52,237 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 17 transitions. cyclomatic complexity: 6. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 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 23 states and 32 transitions. Complement of second has 6 states. [2022-11-23 01:57:52,238 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 [2022-11-23 01:57:52,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 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) [2022-11-23 01:57:52,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2022-11-23 01:57:52,242 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 4 letters. Loop has 5 letters. [2022-11-23 01:57:52,243 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 01:57:52,244 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 5 letters. [2022-11-23 01:57:52,244 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 01:57:52,245 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 4 letters. Loop has 10 letters. [2022-11-23 01:57:52,245 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 01:57:52,246 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 32 transitions. [2022-11-23 01:57:52,251 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-23 01:57:52,255 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 18 states and 24 transitions. [2022-11-23 01:57:52,255 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-23 01:57:52,255 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-23 01:57:52,256 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2022-11-23 01:57:52,256 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 01:57:52,256 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-11-23 01:57:52,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2022-11-23 01:57:52,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2022-11-23 01:57:52,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 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) [2022-11-23 01:57:52,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2022-11-23 01:57:52,261 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-11-23 01:57:52,261 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-11-23 01:57:52,261 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-23 01:57:52,261 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2022-11-23 01:57:52,264 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-23 01:57:52,264 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 01:57:52,264 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 01:57:52,265 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:57:52,265 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-23 01:57:52,266 INFO L748 eck$LassoCheckResult]: Stem: 182#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);~c~0 := 0; 183#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post12#1, main_#t~nondet11#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~post18#1, main_~next~0#1.base, main_~next~0#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~post22#1, main_~next~1#1.base, main_~next~1#1.offset, main_~#list~0#1.base, main_~#list~0#1.offset, main_~length~0#1;call main_~#list~0#1.base, main_~#list~0#1.offset := #Ultimate.allocOnStack(4);call write~init~$Pointer$(0, 0, main_~#list~0#1.base, main_~#list~0#1.offset, 4);main_~length~0#1 := 0; 192#L543-3 assume { :begin_inline_append } true;append_#in~plist#1.base, append_#in~plist#1.offset := main_~#list~0#1.base, main_~#list~0#1.offset;havoc append_#t~post3#1, append_#t~malloc4#1.base, append_#t~malloc4#1.offset, append_#t~mem5#1.base, append_#t~mem5#1.offset, append_#t~mem6#1.base, append_#t~mem6#1.offset, append_#t~ite10#1.base, append_#t~ite10#1.offset, append_#t~mem7#1.base, append_#t~mem7#1.offset, append_#t~mem8#1.base, append_#t~mem8#1.offset, append_#t~malloc9#1.base, append_#t~malloc9#1.offset, append_~plist#1.base, append_~plist#1.offset, append_~item~0#1.base, append_~item~0#1.offset;append_~plist#1.base, append_~plist#1.offset := append_#in~plist#1.base, append_#in~plist#1.offset;append_#t~post3#1 := ~c~0;~c~0 := 1 + append_#t~post3#1;havoc append_#t~post3#1;call append_#t~malloc4#1.base, append_#t~malloc4#1.offset := #Ultimate.allocOnHeap(8);append_~item~0#1.base, append_~item~0#1.offset := append_#t~malloc4#1.base, append_#t~malloc4#1.offset;havoc append_#t~malloc4#1.base, append_#t~malloc4#1.offset;call append_#t~mem5#1.base, append_#t~mem5#1.offset := read~$Pointer$(append_~plist#1.base, append_~plist#1.offset, 4);call write~$Pointer$(append_#t~mem5#1.base, append_#t~mem5#1.offset, append_~item~0#1.base, append_~item~0#1.offset, 4);havoc append_#t~mem5#1.base, append_#t~mem5#1.offset;call append_#t~mem6#1.base, append_#t~mem6#1.offset := read~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, 4); 184#L534 assume !(append_#t~mem6#1.base != 0 || append_#t~mem6#1.offset != 0);call append_#t~malloc9#1.base, append_#t~malloc9#1.offset := #Ultimate.allocOnHeap(8);append_#t~ite10#1.base, append_#t~ite10#1.offset := append_#t~malloc9#1.base, append_#t~malloc9#1.offset; 185#L534-2 call write~$Pointer$(append_#t~ite10#1.base, append_#t~ite10#1.offset, append_~item~0#1.base, 4 + append_~item~0#1.offset, 4);havoc append_#t~mem6#1.base, append_#t~mem6#1.offset;havoc append_#t~ite10#1.base, append_#t~ite10#1.offset;havoc append_#t~mem7#1.base, append_#t~mem7#1.offset;havoc append_#t~mem8#1.base, append_#t~mem8#1.offset;havoc append_#t~malloc9#1.base, append_#t~malloc9#1.offset;call write~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, append_~plist#1.base, append_~plist#1.offset, 4); 179#L529 assume { :end_inline_append } true;main_#t~post12#1 := main_~length~0#1;main_~length~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 190#L543-1 assume !(0 != main_#t~nondet11#1 && ~c~0 < 20);havoc main_#t~nondet11#1; 193#L543-4 assume !(main_~length~0#1 > 0); 189#L556-1 [2022-11-23 01:57:52,266 INFO L750 eck$LassoCheckResult]: Loop: 189#L556-1 assume !!(main_~length~0#1 > 0);call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~#list~0#1.base, main_~#list~0#1.offset, 4);call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_#t~mem19#1.base, main_#t~mem19#1.offset, 4);main_~next~1#1.base, main_~next~1#1.offset := main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset;call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~#list~0#1.base, main_~#list~0#1.offset, 4);call ULTIMATE.dealloc(main_#t~mem21#1.base, main_#t~mem21#1.offset);havoc main_#t~mem21#1.base, main_#t~mem21#1.offset;call write~$Pointer$(main_~next~1#1.base, main_~next~1#1.offset, main_~#list~0#1.base, main_~#list~0#1.offset, 4);main_#t~post22#1 := main_~length~0#1;main_~length~0#1 := main_#t~post22#1 - 1;havoc main_#t~post22#1; 189#L556-1 [2022-11-23 01:57:52,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:57:52,267 INFO L85 PathProgramCache]: Analyzing trace with hash 149888859, now seen corresponding path program 1 times [2022-11-23 01:57:52,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:57:52,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486047086] [2022-11-23 01:57:52,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:57:52,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:57:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:52,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:57:52,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:57:52,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486047086] [2022-11-23 01:57:52,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486047086] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:57:52,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:57:52,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 01:57:52,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500898521] [2022-11-23 01:57:52,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:57:52,351 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-23 01:57:52,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:57:52,352 INFO L85 PathProgramCache]: Analyzing trace with hash 76, now seen corresponding path program 1 times [2022-11-23 01:57:52,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:57:52,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627383567] [2022-11-23 01:57:52,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:57:52,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:57:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:57:52,359 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:57:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:57:52,364 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:57:52,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:57:52,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 01:57:52,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 01:57:52,556 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 8 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) [2022-11-23 01:57:52,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:57:52,581 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2022-11-23 01:57:52,581 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2022-11-23 01:57:52,582 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-23 01:57:52,582 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 23 transitions. [2022-11-23 01:57:52,582 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-23 01:57:52,582 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-23 01:57:52,583 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 23 transitions. [2022-11-23 01:57:52,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 01:57:52,583 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 23 transitions. [2022-11-23 01:57:52,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 23 transitions. [2022-11-23 01:57:52,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2022-11-23 01:57:52,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 16 states have internal predecessors, (21), 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) [2022-11-23 01:57:52,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 21 transitions. [2022-11-23 01:57:52,585 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 21 transitions. [2022-11-23 01:57:52,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 01:57:52,587 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 21 transitions. [2022-11-23 01:57:52,587 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-23 01:57:52,587 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 21 transitions. [2022-11-23 01:57:52,588 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-23 01:57:52,588 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 01:57:52,588 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 01:57:52,588 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:57:52,589 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-23 01:57:52,589 INFO L748 eck$LassoCheckResult]: Stem: 225#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);~c~0 := 0; 226#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post12#1, main_#t~nondet11#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~post18#1, main_~next~0#1.base, main_~next~0#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~post22#1, main_~next~1#1.base, main_~next~1#1.offset, main_~#list~0#1.base, main_~#list~0#1.offset, main_~length~0#1;call main_~#list~0#1.base, main_~#list~0#1.offset := #Ultimate.allocOnStack(4);call write~init~$Pointer$(0, 0, main_~#list~0#1.base, main_~#list~0#1.offset, 4);main_~length~0#1 := 0; 235#L543-3 assume { :begin_inline_append } true;append_#in~plist#1.base, append_#in~plist#1.offset := main_~#list~0#1.base, main_~#list~0#1.offset;havoc append_#t~post3#1, append_#t~malloc4#1.base, append_#t~malloc4#1.offset, append_#t~mem5#1.base, append_#t~mem5#1.offset, append_#t~mem6#1.base, append_#t~mem6#1.offset, append_#t~ite10#1.base, append_#t~ite10#1.offset, append_#t~mem7#1.base, append_#t~mem7#1.offset, append_#t~mem8#1.base, append_#t~mem8#1.offset, append_#t~malloc9#1.base, append_#t~malloc9#1.offset, append_~plist#1.base, append_~plist#1.offset, append_~item~0#1.base, append_~item~0#1.offset;append_~plist#1.base, append_~plist#1.offset := append_#in~plist#1.base, append_#in~plist#1.offset;append_#t~post3#1 := ~c~0;~c~0 := 1 + append_#t~post3#1;havoc append_#t~post3#1;call append_#t~malloc4#1.base, append_#t~malloc4#1.offset := #Ultimate.allocOnHeap(8);append_~item~0#1.base, append_~item~0#1.offset := append_#t~malloc4#1.base, append_#t~malloc4#1.offset;havoc append_#t~malloc4#1.base, append_#t~malloc4#1.offset;call append_#t~mem5#1.base, append_#t~mem5#1.offset := read~$Pointer$(append_~plist#1.base, append_~plist#1.offset, 4);call write~$Pointer$(append_#t~mem5#1.base, append_#t~mem5#1.offset, append_~item~0#1.base, append_~item~0#1.offset, 4);havoc append_#t~mem5#1.base, append_#t~mem5#1.offset;call append_#t~mem6#1.base, append_#t~mem6#1.offset := read~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, 4); 227#L534 assume !(append_#t~mem6#1.base != 0 || append_#t~mem6#1.offset != 0);call append_#t~malloc9#1.base, append_#t~malloc9#1.offset := #Ultimate.allocOnHeap(8);append_#t~ite10#1.base, append_#t~ite10#1.offset := append_#t~malloc9#1.base, append_#t~malloc9#1.offset; 228#L534-2 call write~$Pointer$(append_#t~ite10#1.base, append_#t~ite10#1.offset, append_~item~0#1.base, 4 + append_~item~0#1.offset, 4);havoc append_#t~mem6#1.base, append_#t~mem6#1.offset;havoc append_#t~ite10#1.base, append_#t~ite10#1.offset;havoc append_#t~mem7#1.base, append_#t~mem7#1.offset;havoc append_#t~mem8#1.base, append_#t~mem8#1.offset;havoc append_#t~malloc9#1.base, append_#t~malloc9#1.offset;call write~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, append_~plist#1.base, append_~plist#1.offset, 4); 222#L529 assume { :end_inline_append } true;main_#t~post12#1 := main_~length~0#1;main_~length~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 232#L543-1 assume !(0 != main_#t~nondet11#1 && ~c~0 < 20);havoc main_#t~nondet11#1; 236#L543-4 assume main_~length~0#1 > 0; 230#L548 assume !(main_~length~0#1 < 0); 231#L548-2 call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~#list~0#1.base, main_~#list~0#1.offset, 4);call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_#t~mem15#1.base, main_#t~mem15#1.offset, 4);main_~next~0#1.base, main_~next~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~#list~0#1.base, main_~#list~0#1.offset, 4);call ULTIMATE.dealloc(main_#t~mem17#1.base, main_#t~mem17#1.offset);havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;call write~$Pointer$(main_~next~0#1.base, main_~next~0#1.offset, main_~#list~0#1.base, main_~#list~0#1.offset, 4);main_#t~post18#1 := main_~length~0#1;main_~length~0#1 := main_#t~post18#1 - 1;havoc main_#t~post18#1; 234#L556-1 [2022-11-23 01:57:52,589 INFO L750 eck$LassoCheckResult]: Loop: 234#L556-1 assume !!(main_~length~0#1 > 0);call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~#list~0#1.base, main_~#list~0#1.offset, 4);call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_#t~mem19#1.base, main_#t~mem19#1.offset, 4);main_~next~1#1.base, main_~next~1#1.offset := main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset;call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~#list~0#1.base, main_~#list~0#1.offset, 4);call ULTIMATE.dealloc(main_#t~mem21#1.base, main_#t~mem21#1.offset);havoc main_#t~mem21#1.base, main_#t~mem21#1.offset;call write~$Pointer$(main_~next~1#1.base, main_~next~1#1.offset, main_~#list~0#1.base, main_~#list~0#1.offset, 4);main_#t~post22#1 := main_~length~0#1;main_~length~0#1 := main_#t~post22#1 - 1;havoc main_#t~post22#1; 234#L556-1 [2022-11-23 01:57:52,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:57:52,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1985702188, now seen corresponding path program 1 times [2022-11-23 01:57:52,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:57:52,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121679964] [2022-11-23 01:57:52,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:57:52,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:57:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:57:52,617 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:57:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:57:52,636 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:57:52,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:57:52,637 INFO L85 PathProgramCache]: Analyzing trace with hash 76, now seen corresponding path program 2 times [2022-11-23 01:57:52,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:57:52,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293753439] [2022-11-23 01:57:52,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:57:52,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:57:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:57:52,644 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:57:52,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:57:52,648 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:57:52,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:57:52,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1427225639, now seen corresponding path program 1 times [2022-11-23 01:57:52,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:57:52,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474661070] [2022-11-23 01:57:52,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:57:52,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:57:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:52,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:57:52,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:57:52,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474661070] [2022-11-23 01:57:52,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474661070] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 01:57:52,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 01:57:52,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 01:57:52,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937420106] [2022-11-23 01:57:52,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 01:57:52,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:57:52,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 01:57:52,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-23 01:57:52,945 INFO L87 Difference]: Start difference. First operand 17 states and 21 transitions. cyclomatic complexity: 6 Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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) [2022-11-23 01:57:52,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:57:52,988 INFO L93 Difference]: Finished difference Result 31 states and 37 transitions. [2022-11-23 01:57:52,988 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 37 transitions. [2022-11-23 01:57:52,989 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-23 01:57:52,990 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 25 states and 31 transitions. [2022-11-23 01:57:52,990 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-23 01:57:52,990 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-23 01:57:52,990 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 31 transitions. [2022-11-23 01:57:52,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 01:57:52,991 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 31 transitions. [2022-11-23 01:57:52,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 31 transitions. [2022-11-23 01:57:52,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 17. [2022-11-23 01:57:52,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 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) [2022-11-23 01:57:52,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2022-11-23 01:57:52,993 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-11-23 01:57:52,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 01:57:52,995 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-11-23 01:57:52,995 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-23 01:57:52,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2022-11-23 01:57:52,996 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-23 01:57:52,996 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 01:57:52,996 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 01:57:52,997 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:57:52,997 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-23 01:57:52,997 INFO L748 eck$LassoCheckResult]: Stem: 282#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);~c~0 := 0; 283#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post12#1, main_#t~nondet11#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~post18#1, main_~next~0#1.base, main_~next~0#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~post22#1, main_~next~1#1.base, main_~next~1#1.offset, main_~#list~0#1.base, main_~#list~0#1.offset, main_~length~0#1;call main_~#list~0#1.base, main_~#list~0#1.offset := #Ultimate.allocOnStack(4);call write~init~$Pointer$(0, 0, main_~#list~0#1.base, main_~#list~0#1.offset, 4);main_~length~0#1 := 0; 293#L543-3 assume { :begin_inline_append } true;append_#in~plist#1.base, append_#in~plist#1.offset := main_~#list~0#1.base, main_~#list~0#1.offset;havoc append_#t~post3#1, append_#t~malloc4#1.base, append_#t~malloc4#1.offset, append_#t~mem5#1.base, append_#t~mem5#1.offset, append_#t~mem6#1.base, append_#t~mem6#1.offset, append_#t~ite10#1.base, append_#t~ite10#1.offset, append_#t~mem7#1.base, append_#t~mem7#1.offset, append_#t~mem8#1.base, append_#t~mem8#1.offset, append_#t~malloc9#1.base, append_#t~malloc9#1.offset, append_~plist#1.base, append_~plist#1.offset, append_~item~0#1.base, append_~item~0#1.offset;append_~plist#1.base, append_~plist#1.offset := append_#in~plist#1.base, append_#in~plist#1.offset;append_#t~post3#1 := ~c~0;~c~0 := 1 + append_#t~post3#1;havoc append_#t~post3#1;call append_#t~malloc4#1.base, append_#t~malloc4#1.offset := #Ultimate.allocOnHeap(8);append_~item~0#1.base, append_~item~0#1.offset := append_#t~malloc4#1.base, append_#t~malloc4#1.offset;havoc append_#t~malloc4#1.base, append_#t~malloc4#1.offset;call append_#t~mem5#1.base, append_#t~mem5#1.offset := read~$Pointer$(append_~plist#1.base, append_~plist#1.offset, 4);call write~$Pointer$(append_#t~mem5#1.base, append_#t~mem5#1.offset, append_~item~0#1.base, append_~item~0#1.offset, 4);havoc append_#t~mem5#1.base, append_#t~mem5#1.offset;call append_#t~mem6#1.base, append_#t~mem6#1.offset := read~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, 4); 284#L534 assume !(append_#t~mem6#1.base != 0 || append_#t~mem6#1.offset != 0);call append_#t~malloc9#1.base, append_#t~malloc9#1.offset := #Ultimate.allocOnHeap(8);append_#t~ite10#1.base, append_#t~ite10#1.offset := append_#t~malloc9#1.base, append_#t~malloc9#1.offset; 279#L534-2 call write~$Pointer$(append_#t~ite10#1.base, append_#t~ite10#1.offset, append_~item~0#1.base, 4 + append_~item~0#1.offset, 4);havoc append_#t~mem6#1.base, append_#t~mem6#1.offset;havoc append_#t~ite10#1.base, append_#t~ite10#1.offset;havoc append_#t~mem7#1.base, append_#t~mem7#1.offset;havoc append_#t~mem8#1.base, append_#t~mem8#1.offset;havoc append_#t~malloc9#1.base, append_#t~malloc9#1.offset;call write~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, append_~plist#1.base, append_~plist#1.offset, 4); 280#L529 assume { :end_inline_append } true;main_#t~post12#1 := main_~length~0#1;main_~length~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 291#L543-1 assume !!(0 != main_#t~nondet11#1 && ~c~0 < 20);havoc main_#t~nondet11#1; 295#L543-3 assume { :begin_inline_append } true;append_#in~plist#1.base, append_#in~plist#1.offset := main_~#list~0#1.base, main_~#list~0#1.offset;havoc append_#t~post3#1, append_#t~malloc4#1.base, append_#t~malloc4#1.offset, append_#t~mem5#1.base, append_#t~mem5#1.offset, append_#t~mem6#1.base, append_#t~mem6#1.offset, append_#t~ite10#1.base, append_#t~ite10#1.offset, append_#t~mem7#1.base, append_#t~mem7#1.offset, append_#t~mem8#1.base, append_#t~mem8#1.offset, append_#t~malloc9#1.base, append_#t~malloc9#1.offset, append_~plist#1.base, append_~plist#1.offset, append_~item~0#1.base, append_~item~0#1.offset;append_~plist#1.base, append_~plist#1.offset := append_#in~plist#1.base, append_#in~plist#1.offset;append_#t~post3#1 := ~c~0;~c~0 := 1 + append_#t~post3#1;havoc append_#t~post3#1;call append_#t~malloc4#1.base, append_#t~malloc4#1.offset := #Ultimate.allocOnHeap(8);append_~item~0#1.base, append_~item~0#1.offset := append_#t~malloc4#1.base, append_#t~malloc4#1.offset;havoc append_#t~malloc4#1.base, append_#t~malloc4#1.offset;call append_#t~mem5#1.base, append_#t~mem5#1.offset := read~$Pointer$(append_~plist#1.base, append_~plist#1.offset, 4);call write~$Pointer$(append_#t~mem5#1.base, append_#t~mem5#1.offset, append_~item~0#1.base, append_~item~0#1.offset, 4);havoc append_#t~mem5#1.base, append_#t~mem5#1.offset;call append_#t~mem6#1.base, append_#t~mem6#1.offset := read~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, 4); 285#L534 assume !(append_#t~mem6#1.base != 0 || append_#t~mem6#1.offset != 0);call append_#t~malloc9#1.base, append_#t~malloc9#1.offset := #Ultimate.allocOnHeap(8);append_#t~ite10#1.base, append_#t~ite10#1.offset := append_#t~malloc9#1.base, append_#t~malloc9#1.offset; 286#L534-2 call write~$Pointer$(append_#t~ite10#1.base, append_#t~ite10#1.offset, append_~item~0#1.base, 4 + append_~item~0#1.offset, 4);havoc append_#t~mem6#1.base, append_#t~mem6#1.offset;havoc append_#t~ite10#1.base, append_#t~ite10#1.offset;havoc append_#t~mem7#1.base, append_#t~mem7#1.offset;havoc append_#t~mem8#1.base, append_#t~mem8#1.offset;havoc append_#t~malloc9#1.base, append_#t~malloc9#1.offset;call write~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, append_~plist#1.base, append_~plist#1.offset, 4); 289#L529 assume { :end_inline_append } true;main_#t~post12#1 := main_~length~0#1;main_~length~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 290#L543-1 assume !(0 != main_#t~nondet11#1 && ~c~0 < 20);havoc main_#t~nondet11#1; 294#L543-4 assume main_~length~0#1 > 0; 287#L548 assume !(main_~length~0#1 < 0); 288#L548-2 call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~#list~0#1.base, main_~#list~0#1.offset, 4);call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_#t~mem15#1.base, main_#t~mem15#1.offset, 4);main_~next~0#1.base, main_~next~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~#list~0#1.base, main_~#list~0#1.offset, 4);call ULTIMATE.dealloc(main_#t~mem17#1.base, main_#t~mem17#1.offset);havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;call write~$Pointer$(main_~next~0#1.base, main_~next~0#1.offset, main_~#list~0#1.base, main_~#list~0#1.offset, 4);main_#t~post18#1 := main_~length~0#1;main_~length~0#1 := main_#t~post18#1 - 1;havoc main_#t~post18#1; 292#L556-1 [2022-11-23 01:57:52,997 INFO L750 eck$LassoCheckResult]: Loop: 292#L556-1 assume !!(main_~length~0#1 > 0);call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~#list~0#1.base, main_~#list~0#1.offset, 4);call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_#t~mem19#1.base, main_#t~mem19#1.offset, 4);main_~next~1#1.base, main_~next~1#1.offset := main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset;call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~#list~0#1.base, main_~#list~0#1.offset, 4);call ULTIMATE.dealloc(main_#t~mem21#1.base, main_#t~mem21#1.offset);havoc main_#t~mem21#1.base, main_#t~mem21#1.offset;call write~$Pointer$(main_~next~1#1.base, main_~next~1#1.offset, main_~#list~0#1.base, main_~#list~0#1.offset, 4);main_#t~post22#1 := main_~length~0#1;main_~length~0#1 := main_#t~post22#1 - 1;havoc main_#t~post22#1; 292#L556-1 [2022-11-23 01:57:52,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:57:52,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1723894012, now seen corresponding path program 1 times [2022-11-23 01:57:52,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:57:52,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809364508] [2022-11-23 01:57:52,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:57:52,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:57:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:53,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-23 01:57:53,379 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:57:53,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:57:53,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809364508] [2022-11-23 01:57:53,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809364508] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 01:57:53,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640221887] [2022-11-23 01:57:53,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:57:53,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 01:57:53,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:57:53,381 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 01:57:53,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-23 01:57:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:57:53,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-23 01:57:53,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:57:53,657 INFO L321 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-11-23 01:57:53,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 74 [2022-11-23 01:57:53,672 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-23 01:57:53,695 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2022-11-23 01:57:53,781 INFO L321 Elim1Store]: treesize reduction 25, result has 3.8 percent of original size [2022-11-23 01:57:53,784 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 66 treesize of output 26 [2022-11-23 01:57:53,792 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2022-11-23 01:57:53,830 WARN L859 $PredicateComparison]: unable to prove that (and (= |c_ULTIMATE.start_main_~#list~0#1.offset| 0) (let ((.cse1 (select (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_main_~#list~0#1.base|) |c_ULTIMATE.start_main_~#list~0#1.offset|))) (let ((.cse0 (not (= .cse1 0)))) (or (and .cse0 (= .cse1 |c_ULTIMATE.start_main_~#list~0#1.base|)) (and .cse0 (exists ((v_DerPreprocessor_7 (Array Int Int)) (v_DerPreprocessor_8 (Array Int Int))) (and (= (select |c_#memory_$Pointer$.base| .cse1) (select (store (store (store (store |c_#memory_$Pointer$.base| .cse1 v_DerPreprocessor_7) |c_ULTIMATE.start_main_~#list~0#1.base| v_DerPreprocessor_8) .cse1 v_DerPreprocessor_7) |c_ULTIMATE.start_main_~#list~0#1.base| v_DerPreprocessor_8) .cse1)) (= .cse1 (select v_DerPreprocessor_8 |c_ULTIMATE.start_main_~#list~0#1.offset|))))))))) is different from true [2022-11-23 01:57:53,951 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 01:57:53,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 66 [2022-11-23 01:57:53,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2022-11-23 01:57:53,982 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2022-11-23 01:57:53,986 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2022-11-23 01:57:53,986 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 01:57:54,018 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 01:57:54,019 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 104 treesize of output 107 [2022-11-23 01:57:54,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 116 [2022-11-23 01:57:54,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 116 treesize of output 114 [2022-11-23 01:57:54,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2022-11-23 01:57:54,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-23 01:57:54,168 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:57:54,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640221887] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 01:57:54,169 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 01:57:54,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 5] total 8 [2022-11-23 01:57:54,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223916295] [2022-11-23 01:57:54,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 01:57:54,171 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-23 01:57:54,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:57:54,171 INFO L85 PathProgramCache]: Analyzing trace with hash 76, now seen corresponding path program 3 times [2022-11-23 01:57:54,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:57:54,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437318150] [2022-11-23 01:57:54,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:57:54,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:57:54,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:57:54,182 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:57:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:57:54,191 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:57:54,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:57:54,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 01:57:54,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=30, Unknown=1, NotChecked=10, Total=56 [2022-11-23 01:57:54,413 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:57:54,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:57:54,558 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2022-11-23 01:57:54,559 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 18 transitions. [2022-11-23 01:57:54,559 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-23 01:57:54,560 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 18 transitions. [2022-11-23 01:57:54,560 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-23 01:57:54,560 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-23 01:57:54,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 18 transitions. [2022-11-23 01:57:54,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 01:57:54,560 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 18 transitions. [2022-11-23 01:57:54,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 18 transitions. [2022-11-23 01:57:54,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-23 01:57:54,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 16 states have internal predecessors, (18), 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) [2022-11-23 01:57:54,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2022-11-23 01:57:54,562 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 18 transitions. [2022-11-23 01:57:54,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 01:57:54,567 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 18 transitions. [2022-11-23 01:57:54,567 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-23 01:57:54,567 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 18 transitions. [2022-11-23 01:57:54,567 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-23 01:57:54,567 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 01:57:54,568 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 01:57:54,568 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 01:57:54,568 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-23 01:57:54,568 INFO L748 eck$LassoCheckResult]: Stem: 418#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);~c~0 := 0; 419#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post12#1, main_#t~nondet11#1, main_#t~mem13#1.base, main_#t~mem13#1.offset, main_#t~mem14#1.base, main_#t~mem14#1.offset, main_#t~mem15#1.base, main_#t~mem15#1.offset, main_#t~mem16#1.base, main_#t~mem16#1.offset, main_#t~mem17#1.base, main_#t~mem17#1.offset, main_#t~post18#1, main_~next~0#1.base, main_~next~0#1.offset, main_#t~mem19#1.base, main_#t~mem19#1.offset, main_#t~mem20#1.base, main_#t~mem20#1.offset, main_#t~mem21#1.base, main_#t~mem21#1.offset, main_#t~post22#1, main_~next~1#1.base, main_~next~1#1.offset, main_~#list~0#1.base, main_~#list~0#1.offset, main_~length~0#1;call main_~#list~0#1.base, main_~#list~0#1.offset := #Ultimate.allocOnStack(4);call write~init~$Pointer$(0, 0, main_~#list~0#1.base, main_~#list~0#1.offset, 4);main_~length~0#1 := 0; 428#L543-3 assume { :begin_inline_append } true;append_#in~plist#1.base, append_#in~plist#1.offset := main_~#list~0#1.base, main_~#list~0#1.offset;havoc append_#t~post3#1, append_#t~malloc4#1.base, append_#t~malloc4#1.offset, append_#t~mem5#1.base, append_#t~mem5#1.offset, append_#t~mem6#1.base, append_#t~mem6#1.offset, append_#t~ite10#1.base, append_#t~ite10#1.offset, append_#t~mem7#1.base, append_#t~mem7#1.offset, append_#t~mem8#1.base, append_#t~mem8#1.offset, append_#t~malloc9#1.base, append_#t~malloc9#1.offset, append_~plist#1.base, append_~plist#1.offset, append_~item~0#1.base, append_~item~0#1.offset;append_~plist#1.base, append_~plist#1.offset := append_#in~plist#1.base, append_#in~plist#1.offset;append_#t~post3#1 := ~c~0;~c~0 := 1 + append_#t~post3#1;havoc append_#t~post3#1;call append_#t~malloc4#1.base, append_#t~malloc4#1.offset := #Ultimate.allocOnHeap(8);append_~item~0#1.base, append_~item~0#1.offset := append_#t~malloc4#1.base, append_#t~malloc4#1.offset;havoc append_#t~malloc4#1.base, append_#t~malloc4#1.offset;call append_#t~mem5#1.base, append_#t~mem5#1.offset := read~$Pointer$(append_~plist#1.base, append_~plist#1.offset, 4);call write~$Pointer$(append_#t~mem5#1.base, append_#t~mem5#1.offset, append_~item~0#1.base, append_~item~0#1.offset, 4);havoc append_#t~mem5#1.base, append_#t~mem5#1.offset;call append_#t~mem6#1.base, append_#t~mem6#1.offset := read~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, 4); 420#L534 assume !(append_#t~mem6#1.base != 0 || append_#t~mem6#1.offset != 0);call append_#t~malloc9#1.base, append_#t~malloc9#1.offset := #Ultimate.allocOnHeap(8);append_#t~ite10#1.base, append_#t~ite10#1.offset := append_#t~malloc9#1.base, append_#t~malloc9#1.offset; 421#L534-2 call write~$Pointer$(append_#t~ite10#1.base, append_#t~ite10#1.offset, append_~item~0#1.base, 4 + append_~item~0#1.offset, 4);havoc append_#t~mem6#1.base, append_#t~mem6#1.offset;havoc append_#t~ite10#1.base, append_#t~ite10#1.offset;havoc append_#t~mem7#1.base, append_#t~mem7#1.offset;havoc append_#t~mem8#1.base, append_#t~mem8#1.offset;havoc append_#t~malloc9#1.base, append_#t~malloc9#1.offset;call write~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, append_~plist#1.base, append_~plist#1.offset, 4); 417#L529 assume { :end_inline_append } true;main_#t~post12#1 := main_~length~0#1;main_~length~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 426#L543-1 assume !!(0 != main_#t~nondet11#1 && ~c~0 < 20);havoc main_#t~nondet11#1; 430#L543-3 assume { :begin_inline_append } true;append_#in~plist#1.base, append_#in~plist#1.offset := main_~#list~0#1.base, main_~#list~0#1.offset;havoc append_#t~post3#1, append_#t~malloc4#1.base, append_#t~malloc4#1.offset, append_#t~mem5#1.base, append_#t~mem5#1.offset, append_#t~mem6#1.base, append_#t~mem6#1.offset, append_#t~ite10#1.base, append_#t~ite10#1.offset, append_#t~mem7#1.base, append_#t~mem7#1.offset, append_#t~mem8#1.base, append_#t~mem8#1.offset, append_#t~malloc9#1.base, append_#t~malloc9#1.offset, append_~plist#1.base, append_~plist#1.offset, append_~item~0#1.base, append_~item~0#1.offset;append_~plist#1.base, append_~plist#1.offset := append_#in~plist#1.base, append_#in~plist#1.offset;append_#t~post3#1 := ~c~0;~c~0 := 1 + append_#t~post3#1;havoc append_#t~post3#1;call append_#t~malloc4#1.base, append_#t~malloc4#1.offset := #Ultimate.allocOnHeap(8);append_~item~0#1.base, append_~item~0#1.offset := append_#t~malloc4#1.base, append_#t~malloc4#1.offset;havoc append_#t~malloc4#1.base, append_#t~malloc4#1.offset;call append_#t~mem5#1.base, append_#t~mem5#1.offset := read~$Pointer$(append_~plist#1.base, append_~plist#1.offset, 4);call write~$Pointer$(append_#t~mem5#1.base, append_#t~mem5#1.offset, append_~item~0#1.base, append_~item~0#1.offset, 4);havoc append_#t~mem5#1.base, append_#t~mem5#1.offset;call append_#t~mem6#1.base, append_#t~mem6#1.offset := read~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, 4); 422#L534 assume append_#t~mem6#1.base != 0 || append_#t~mem6#1.offset != 0;call append_#t~mem7#1.base, append_#t~mem7#1.offset := read~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, 4);call append_#t~mem8#1.base, append_#t~mem8#1.offset := read~$Pointer$(append_#t~mem7#1.base, 4 + append_#t~mem7#1.offset, 4);append_#t~ite10#1.base, append_#t~ite10#1.offset := append_#t~mem8#1.base, append_#t~mem8#1.offset; 414#L534-2 call write~$Pointer$(append_#t~ite10#1.base, append_#t~ite10#1.offset, append_~item~0#1.base, 4 + append_~item~0#1.offset, 4);havoc append_#t~mem6#1.base, append_#t~mem6#1.offset;havoc append_#t~ite10#1.base, append_#t~ite10#1.offset;havoc append_#t~mem7#1.base, append_#t~mem7#1.offset;havoc append_#t~mem8#1.base, append_#t~mem8#1.offset;havoc append_#t~malloc9#1.base, append_#t~malloc9#1.offset;call write~$Pointer$(append_~item~0#1.base, append_~item~0#1.offset, append_~plist#1.base, append_~plist#1.offset, 4); 415#L529 assume { :end_inline_append } true;main_#t~post12#1 := main_~length~0#1;main_~length~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 425#L543-1 assume !(0 != main_#t~nondet11#1 && ~c~0 < 20);havoc main_#t~nondet11#1; 429#L543-4 assume main_~length~0#1 > 0; 423#L548 assume !(main_~length~0#1 < 0); 424#L548-2 call main_#t~mem15#1.base, main_#t~mem15#1.offset := read~$Pointer$(main_~#list~0#1.base, main_~#list~0#1.offset, 4);call main_#t~mem16#1.base, main_#t~mem16#1.offset := read~$Pointer$(main_#t~mem15#1.base, main_#t~mem15#1.offset, 4);main_~next~0#1.base, main_~next~0#1.offset := main_#t~mem16#1.base, main_#t~mem16#1.offset;havoc main_#t~mem15#1.base, main_#t~mem15#1.offset;havoc main_#t~mem16#1.base, main_#t~mem16#1.offset;call main_#t~mem17#1.base, main_#t~mem17#1.offset := read~$Pointer$(main_~#list~0#1.base, main_~#list~0#1.offset, 4);call ULTIMATE.dealloc(main_#t~mem17#1.base, main_#t~mem17#1.offset);havoc main_#t~mem17#1.base, main_#t~mem17#1.offset;call write~$Pointer$(main_~next~0#1.base, main_~next~0#1.offset, main_~#list~0#1.base, main_~#list~0#1.offset, 4);main_#t~post18#1 := main_~length~0#1;main_~length~0#1 := main_#t~post18#1 - 1;havoc main_#t~post18#1; 427#L556-1 [2022-11-23 01:57:54,569 INFO L750 eck$LassoCheckResult]: Loop: 427#L556-1 assume !!(main_~length~0#1 > 0);call main_#t~mem19#1.base, main_#t~mem19#1.offset := read~$Pointer$(main_~#list~0#1.base, main_~#list~0#1.offset, 4);call main_#t~mem20#1.base, main_#t~mem20#1.offset := read~$Pointer$(main_#t~mem19#1.base, main_#t~mem19#1.offset, 4);main_~next~1#1.base, main_~next~1#1.offset := main_#t~mem20#1.base, main_#t~mem20#1.offset;havoc main_#t~mem19#1.base, main_#t~mem19#1.offset;havoc main_#t~mem20#1.base, main_#t~mem20#1.offset;call main_#t~mem21#1.base, main_#t~mem21#1.offset := read~$Pointer$(main_~#list~0#1.base, main_~#list~0#1.offset, 4);call ULTIMATE.dealloc(main_#t~mem21#1.base, main_#t~mem21#1.offset);havoc main_#t~mem21#1.base, main_#t~mem21#1.offset;call write~$Pointer$(main_~next~1#1.base, main_~next~1#1.offset, main_~#list~0#1.base, main_~#list~0#1.offset, 4);main_#t~post22#1 := main_~length~0#1;main_~length~0#1 := main_#t~post22#1 - 1;havoc main_#t~post22#1; 427#L556-1 [2022-11-23 01:57:54,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:57:54,569 INFO L85 PathProgramCache]: Analyzing trace with hash -51113350, now seen corresponding path program 1 times [2022-11-23 01:57:54,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:57:54,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909484724] [2022-11-23 01:57:54,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:57:54,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:57:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:57:54,620 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:57:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:57:54,653 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:57:54,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:57:54,654 INFO L85 PathProgramCache]: Analyzing trace with hash 76, now seen corresponding path program 4 times [2022-11-23 01:57:54,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:57:54,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169402366] [2022-11-23 01:57:54,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:57:54,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:57:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:57:54,661 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:57:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:57:54,666 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:57:54,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:57:54,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1584513805, now seen corresponding path program 1 times [2022-11-23 01:57:54,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:57:54,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311508419] [2022-11-23 01:57:54,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:57:54,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:57:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:57:54,714 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:57:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:57:54,763 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:58:27,645 WARN L233 SmtUtils]: Spent 32.68s on a formula simplification. DAG size of input: 371 DAG size of output: 300 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-23 01:58:32,318 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 01:58:32,318 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 01:58:32,318 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 01:58:32,319 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 01:58:32,319 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 01:58:32,319 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:58:32,319 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 01:58:32,319 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 01:58:32,319 INFO L133 ssoRankerPreferences]: Filename of dumped script: test-0232_1-1.i_Iteration6_Lasso [2022-11-23 01:58:32,320 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 01:58:32,320 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 01:58:32,326 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:32,330 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:32,333 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:32,336 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:32,340 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:32,346 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:32,349 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:32,353 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:32,357 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:32,359 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:32,363 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:32,365 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:32,369 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:32,372 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:32,377 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:32,385 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:32,388 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:32,392 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:32,395 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:32,398 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:32,400 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:32,403 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:32,407 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:32,410 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:32,413 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:32,416 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:32,423 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:32,426 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:32,429 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:34,857 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:34,860 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:34,864 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:34,867 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:34,870 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:34,873 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:34,875 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:34,878 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:34,881 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:34,884 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:34,886 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:34,889 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:34,892 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:34,895 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:34,898 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:34,901 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:58:36,794 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 01:58:36,795 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 01:58:36,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:58:36,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:58:36,807 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:58:36,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-23 01:58:36,815 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 [2022-11-23 01:58:36,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:58:36,826 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:58:36,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:58:36,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:58:36,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:58:36,827 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:58:36,827 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:58:36,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:58:36,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-11-23 01:58:36,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:58:36,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:58:36,845 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:58:36,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-23 01:58:36,853 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 [2022-11-23 01:58:36,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:58:36,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:58:36,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:58:36,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:58:36,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:58:36,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:58:36,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:58:36,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:58:36,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-23 01:58:36,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:58:36,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:58:36,870 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:58:36,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-23 01:58:36,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:58:36,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:58:36,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:58:36,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:58:36,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:58:36,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:58:36,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:58:36,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:58:36,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:58:36,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-23 01:58:36,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:58:36,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:58:36,894 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:58:36,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-23 01:58:36,900 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 [2022-11-23 01:58:36,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:58:36,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:58:36,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:58:36,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:58:36,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:58:36,911 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:58:36,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:58:36,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:58:36,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-23 01:58:36,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:58:36,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:58:36,953 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:58:36,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:58:36,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-23 01:58:36,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:58:36,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:58:36,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:58:36,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:58:36,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:58:36,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:58:36,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:58:36,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:58:37,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-23 01:58:37,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:58:37,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:58:37,005 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:58:37,021 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 [2022-11-23 01:58:37,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:58:37,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:58:37,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:58:37,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:58:37,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:58:37,036 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:58:37,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:58:37,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-23 01:58:37,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:58:37,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-23 01:58:37,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:58:37,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:58:37,056 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:58:37,066 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 [2022-11-23 01:58:37,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-23 01:58:37,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:58:37,081 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:58:37,081 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:58:37,081 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:58:37,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:58:37,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:58:37,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:58:37,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-23 01:58:37,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:58:37,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:58:37,112 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:58:37,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-23 01:58:37,116 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 [2022-11-23 01:58:37,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:58:37,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:58:37,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:58:37,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:58:37,130 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:58:37,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:58:37,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:58:37,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-11-23 01:58:37,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:58:37,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:58:37,142 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:58:37,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-23 01:58:37,151 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 [2022-11-23 01:58:37,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:58:37,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:58:37,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:58:37,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:58:37,163 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:58:37,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:58:37,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:58:37,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:58:37,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-23 01:58:37,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:58:37,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:58:37,173 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:58:37,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-23 01:58:37,177 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 [2022-11-23 01:58:37,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:58:37,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:58:37,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:58:37,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:58:37,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:58:37,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:58:37,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:58:37,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:58:37,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-23 01:58:37,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:58:37,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:58:37,196 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:58:37,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-23 01:58:37,199 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 [2022-11-23 01:58:37,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:58:37,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:58:37,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:58:37,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:58:37,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:58:37,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:58:37,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:58:37,213 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:58:37,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-23 01:58:37,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:58:37,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:58:37,218 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:58:37,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-23 01:58:37,220 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 [2022-11-23 01:58:37,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:58:37,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:58:37,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:58:37,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:58:37,234 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:58:37,234 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:58:37,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:58:37,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-23 01:58:37,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:58:37,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:58:37,265 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:58:37,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-23 01:58:37,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:58:37,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:58:37,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:58:37,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:58:37,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:58:37,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:58:37,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:58:37,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:58:37,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:58:37,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-23 01:58:37,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:58:37,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:58:37,293 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:58:37,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-23 01:58:37,296 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 [2022-11-23 01:58:37,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:58:37,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:58:37,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:58:37,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:58:37,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:58:37,307 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:58:37,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:58:37,309 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:58:37,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-23 01:58:37,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:58:37,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:58:37,313 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:58:37,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-23 01:58:37,317 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 [2022-11-23 01:58:37,328 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:58:37,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:58:37,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:58:37,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:58:37,331 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:58:37,331 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-23 01:58:37,337 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 01:58:37,345 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-23 01:58:37,345 INFO L444 ModelExtractionUtils]: 1 out of 7 variables were initially zero. Simplification set additionally 4 variables to zero. [2022-11-23 01:58:37,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:58:37,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:58:37,346 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:58:37,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-23 01:58:37,352 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 01:58:37,364 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-23 01:58:37,364 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 01:58:37,364 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length~0#1) = 1*ULTIMATE.start_main_~length~0#1 Supporting invariants [] [2022-11-23 01:58:37,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-23 01:58:37,533 INFO L156 tatePredicateManager]: 25 out of 25 supporting invariants were superfluous and have been removed [2022-11-23 01:58:37,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:58:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:58:37,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 01:58:37,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:58:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:58:37,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-23 01:58:37,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:58:37,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:58:37,660 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-11-23 01:58:37,661 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 18 transitions. cyclomatic complexity: 3 Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2022-11-23 01:58:37,670 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 18 transitions. cyclomatic complexity: 3. Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 18 states and 19 transitions. Complement of second has 2 states. [2022-11-23 01:58:37,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2022-11-23 01:58:37,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2022-11-23 01:58:37,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 13 transitions. [2022-11-23 01:58:37,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 13 transitions. Stem has 15 letters. Loop has 1 letters. [2022-11-23 01:58:37,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 01:58:37,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 13 transitions. Stem has 16 letters. Loop has 1 letters. [2022-11-23 01:58:37,672 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 01:58:37,672 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 13 transitions. Stem has 15 letters. Loop has 2 letters. [2022-11-23 01:58:37,673 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 01:58:37,673 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 19 transitions. [2022-11-23 01:58:37,673 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-23 01:58:37,673 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2022-11-23 01:58:37,674 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-23 01:58:37,674 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-23 01:58:37,674 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-23 01:58:37,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-23 01:58:37,674 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 01:58:37,674 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 01:58:37,674 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 01:58:37,674 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-23 01:58:37,674 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-23 01:58:37,675 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-23 01:58:37,675 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-23 01:58:37,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 01:58:37 BoogieIcfgContainer [2022-11-23 01:58:37,682 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-23 01:58:37,682 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 01:58:37,682 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 01:58:37,682 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 01:58:37,683 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:57:39" (3/4) ... [2022-11-23 01:58:37,686 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 01:58:37,686 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 01:58:37,686 INFO L158 Benchmark]: Toolchain (without parser) took 59123.72ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 126.8MB in the beginning and 72.1MB in the end (delta: 54.7MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB. [2022-11-23 01:58:37,687 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 01:58:37,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 592.46ms. Allocated memory is still 163.6MB. Free memory was 126.8MB in the beginning and 110.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 01:58:37,687 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.75ms. Allocated memory is still 163.6MB. Free memory was 110.0MB in the beginning and 108.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 01:58:37,688 INFO L158 Benchmark]: Boogie Preprocessor took 39.98ms. Allocated memory is still 163.6MB. Free memory was 108.4MB in the beginning and 106.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 01:58:37,688 INFO L158 Benchmark]: RCFGBuilder took 600.13ms. Allocated memory is still 163.6MB. Free memory was 106.4MB in the beginning and 91.1MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 01:58:37,688 INFO L158 Benchmark]: BuchiAutomizer took 57796.89ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 91.1MB in the beginning and 72.1MB in the end (delta: 19.1MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. [2022-11-23 01:58:37,689 INFO L158 Benchmark]: Witness Printer took 3.92ms. Allocated memory is still 197.1MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 01:58:37,690 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 592.46ms. Allocated memory is still 163.6MB. Free memory was 126.8MB in the beginning and 110.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.75ms. Allocated memory is still 163.6MB. Free memory was 110.0MB in the beginning and 108.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.98ms. Allocated memory is still 163.6MB. Free memory was 108.4MB in the beginning and 106.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 600.13ms. Allocated memory is still 163.6MB. Free memory was 106.4MB in the beginning and 91.1MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 57796.89ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 91.1MB in the beginning and 72.1MB in the end (delta: 19.1MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. * Witness Printer took 3.92ms. Allocated memory is still 197.1MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (4 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 39 + -2 * c and consists of 4 locations. One deterministic module has affine ranking function length and consists of 2 locations. 4 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 57.7s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 56.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 13 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 78 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 153 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 11 IncrementalHoareTripleChecker+Unchecked, 82 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 67 IncrementalHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 71 mSDtfsCounter, 67 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU2 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital4577 mio100 ax101 hnf100 lsp96 ukn22 mio100 lsp33 div100 bol100 ite100 ukn100 eq205 hnf87 smp100 dnf398 smp93 tf100 neg96 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 51ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-23 01:58:37,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-23 01:58:37,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-11-23 01:58:38,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_526e5d79-d90a-4d15-a359-1525307407b6/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE