./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0e00bd958aa9fbd5730471fb19c0f431fb9410b6f9738fcfd6ac5e9594f9dc7f --- 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-6b4ec56 [2022-11-20 10:48:45,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:48:45,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:48:45,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:48:45,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:48:45,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:48:45,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:48:45,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:48:45,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:48:45,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:48:45,190 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:48:45,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:48:45,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:48:45,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:48:45,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:48:45,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:48:45,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:48:45,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:48:45,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:48:45,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:48:45,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:48:45,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:48:45,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:48:45,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:48:45,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:48:45,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:48:45,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:48:45,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:48:45,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:48:45,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:48:45,244 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:48:45,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:48:45,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:48:45,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:48:45,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:48:45,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:48:45,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:48:45,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:48:45,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:48:45,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:48:45,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:48:45,255 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-20 10:48:45,294 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:48:45,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:48:45,295 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:48:45,295 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:48:45,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:48:45,297 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:48:45,297 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:48:45,297 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 10:48:45,298 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 10:48:45,298 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 10:48:45,299 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 10:48:45,300 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 10:48:45,300 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 10:48:45,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:48:45,300 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:48:45,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:48:45,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:48:45,301 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 10:48:45,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 10:48:45,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 10:48:45,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:48:45,302 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 10:48:45,303 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:48:45,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 10:48:45,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:48:45,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:48:45,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:48:45,305 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:48:45,306 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 10:48:45,307 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_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e00bd958aa9fbd5730471fb19c0f431fb9410b6f9738fcfd6ac5e9594f9dc7f [2022-11-20 10:48:45,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:48:45,624 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:48:45,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:48:45,631 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:48:45,632 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:48:45,633 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i [2022-11-20 10:48:48,759 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:48:49,063 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:48:49,063 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/sv-benchmarks/c/termination-memory-alloca/a.06-alloca.i [2022-11-20 10:48:49,080 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/data/99c6cf8b1/6d34482d0bdd4e90a54af39490517577/FLAG5f25e984d [2022-11-20 10:48:49,094 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/data/99c6cf8b1/6d34482d0bdd4e90a54af39490517577 [2022-11-20 10:48:49,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:48:49,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:48:49,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:48:49,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:48:49,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:48:49,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:48:49" (1/1) ... [2022-11-20 10:48:49,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28154748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:49, skipping insertion in model container [2022-11-20 10:48:49,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:48:49" (1/1) ... [2022-11-20 10:48:49,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:48:49,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:48:49,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:48:49,462 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:48:49,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:48:49,577 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:48:49,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:49 WrapperNode [2022-11-20 10:48:49,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:48:49,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:48:49,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:48:49,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:48:49,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:49" (1/1) ... [2022-11-20 10:48:49,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:49" (1/1) ... [2022-11-20 10:48:49,628 INFO L138 Inliner]: procedures = 111, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 120 [2022-11-20 10:48:49,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:48:49,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:48:49,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:48:49,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:48:49,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:49" (1/1) ... [2022-11-20 10:48:49,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:49" (1/1) ... [2022-11-20 10:48:49,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:49" (1/1) ... [2022-11-20 10:48:49,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:49" (1/1) ... [2022-11-20 10:48:49,645 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:49" (1/1) ... [2022-11-20 10:48:49,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:49" (1/1) ... [2022-11-20 10:48:49,650 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:49" (1/1) ... [2022-11-20 10:48:49,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:49" (1/1) ... [2022-11-20 10:48:49,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:48:49,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:48:49,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:48:49,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:48:49,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:49" (1/1) ... [2022-11-20 10:48:49,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:48:49,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:48:49,700 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:48:49,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 10:48:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 10:48:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:48:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:48:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:48:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:48:49,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:48:49,856 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:48:49,858 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:48:50,181 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:48:50,188 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:48:50,200 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 10:48:50,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:48:50 BoogieIcfgContainer [2022-11-20 10:48:50,203 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:48:50,204 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 10:48:50,204 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 10:48:50,208 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 10:48:50,209 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:48:50,210 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:48:49" (1/3) ... [2022-11-20 10:48:50,211 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a07a7ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:48:50, skipping insertion in model container [2022-11-20 10:48:50,215 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:48:50,216 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:48:49" (2/3) ... [2022-11-20 10:48:50,216 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a07a7ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:48:50, skipping insertion in model container [2022-11-20 10:48:50,216 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:48:50,216 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:48:50" (3/3) ... [2022-11-20 10:48:50,218 INFO L332 chiAutomizerObserver]: Analyzing ICFG a.06-alloca.i [2022-11-20 10:48:50,296 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 10:48:50,296 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 10:48:50,297 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 10:48:50,297 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 10:48:50,297 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 10:48:50,297 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 10:48:50,297 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 10:48:50,298 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 10:48:50,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:48:50,326 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2022-11-20 10:48:50,327 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:48:50,347 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:48:50,352 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 10:48:50,353 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:48:50,353 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 10:48:50,353 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:48:50,355 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2022-11-20 10:48:50,355 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:48:50,355 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:48:50,355 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 10:48:50,355 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:48:50,362 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~ret29#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem23#1, test_fun_#t~mem24#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~short13#1, test_fun_#t~short14#1, test_fun_#t~mem17#1, test_fun_#t~mem15#1, test_fun_#t~mem16#1, test_fun_#t~short18#1, test_fun_#t~mem19#1, test_fun_#t~short20#1, test_fun_#t~mem21#1, test_fun_#t~short22#1, test_fun_#t~mem25#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 19#L557-20true [2022-11-20 10:48:50,363 INFO L750 eck$LassoCheckResult]: Loop: 19#L557-20true call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 17#L557-1true assume test_fun_#t~short9#1;call test_fun_#t~mem8#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem8#1 < 2147483647 - test_fun_#t~mem7#1; 16#L557-3true test_fun_#t~short14#1 := test_fun_#t~short9#1; 8#L557-4true assume test_fun_#t~short14#1; 15#L557-9true test_fun_#t~short18#1 := test_fun_#t~short14#1; 14#L557-10true assume !test_fun_#t~short18#1; 12#L557-12true test_fun_#t~short20#1 := test_fun_#t~short18#1; 18#L557-13true assume test_fun_#t~short20#1;call test_fun_#t~mem19#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short20#1 := test_fun_#t~mem19#1 < 2147483647; 10#L557-15true test_fun_#t~short22#1 := test_fun_#t~short20#1; 6#L557-16true assume test_fun_#t~short22#1;call test_fun_#t~mem21#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short22#1 := test_fun_#t~mem21#1 < 2147483647; 20#L557-18true assume !!test_fun_#t~short22#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~mem12#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~short14#1;havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~mem16#1;havoc test_fun_#t~short18#1;havoc test_fun_#t~mem19#1;havoc test_fun_#t~short20#1;havoc test_fun_#t~mem21#1;havoc test_fun_#t~short22#1;call test_fun_#t~mem23#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem23#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem23#1;call test_fun_#t~mem24#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem24#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);havoc test_fun_#t~mem24#1; 19#L557-20true [2022-11-20 10:48:50,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:50,368 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-20 10:48:50,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:48:50,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865513853] [2022-11-20 10:48:50,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:50,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:48:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:48:50,671 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:48:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:48:50,726 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:48:50,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:50,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1442805661, now seen corresponding path program 1 times [2022-11-20 10:48:50,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:48:50,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153007727] [2022-11-20 10:48:50,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:50,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:48:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:50,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:48:50,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:48:50,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153007727] [2022-11-20 10:48:50,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153007727] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:48:50,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:48:50,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:48:50,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131069540] [2022-11-20 10:48:50,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:48:50,870 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 10:48:50,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:48:50,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:48:50,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:48:50,910 INFO L87 Difference]: Start difference. First operand has 20 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 19 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 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) [2022-11-20 10:48:50,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:48:50,975 INFO L93 Difference]: Finished difference Result 27 states and 36 transitions. [2022-11-20 10:48:50,977 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2022-11-20 10:48:50,980 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 20 [2022-11-20 10:48:50,987 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 22 states and 30 transitions. [2022-11-20 10:48:50,988 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2022-11-20 10:48:50,988 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2022-11-20 10:48:50,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 30 transitions. [2022-11-20 10:48:50,991 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:48:50,991 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 30 transitions. [2022-11-20 10:48:51,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 30 transitions. [2022-11-20 10:48:51,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 17. [2022-11-20 10:48:51,021 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) [2022-11-20 10:48:51,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2022-11-20 10:48:51,024 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-11-20 10:48:51,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:48:51,029 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-11-20 10:48:51,030 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 10:48:51,030 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2022-11-20 10:48:51,032 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2022-11-20 10:48:51,033 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:48:51,033 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:48:51,035 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 10:48:51,035 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:48:51,035 INFO L748 eck$LassoCheckResult]: Stem: 61#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 62#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~ret29#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem23#1, test_fun_#t~mem24#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~short13#1, test_fun_#t~short14#1, test_fun_#t~mem17#1, test_fun_#t~mem15#1, test_fun_#t~mem16#1, test_fun_#t~short18#1, test_fun_#t~mem19#1, test_fun_#t~short20#1, test_fun_#t~mem21#1, test_fun_#t~short22#1, test_fun_#t~mem25#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 65#L557-20 [2022-11-20 10:48:51,036 INFO L750 eck$LassoCheckResult]: Loop: 65#L557-20 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 74#L557-1 assume test_fun_#t~short9#1;call test_fun_#t~mem8#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem8#1 < 2147483647 - test_fun_#t~mem7#1; 73#L557-3 test_fun_#t~short14#1 := test_fun_#t~short9#1; 66#L557-4 assume test_fun_#t~short14#1; 67#L557-9 test_fun_#t~short18#1 := test_fun_#t~short14#1; 72#L557-10 assume test_fun_#t~short18#1;call test_fun_#t~mem17#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem15#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem16#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short18#1 := test_fun_#t~mem17#1 > test_fun_#t~mem15#1 + test_fun_#t~mem16#1; 70#L557-12 test_fun_#t~short20#1 := test_fun_#t~short18#1; 71#L557-13 assume test_fun_#t~short20#1;call test_fun_#t~mem19#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short20#1 := test_fun_#t~mem19#1 < 2147483647; 69#L557-15 test_fun_#t~short22#1 := test_fun_#t~short20#1; 63#L557-16 assume test_fun_#t~short22#1;call test_fun_#t~mem21#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short22#1 := test_fun_#t~mem21#1 < 2147483647; 64#L557-18 assume !!test_fun_#t~short22#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~mem12#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~short14#1;havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~mem16#1;havoc test_fun_#t~short18#1;havoc test_fun_#t~mem19#1;havoc test_fun_#t~short20#1;havoc test_fun_#t~mem21#1;havoc test_fun_#t~short22#1;call test_fun_#t~mem23#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem23#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem23#1;call test_fun_#t~mem24#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem24#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);havoc test_fun_#t~mem24#1; 65#L557-20 [2022-11-20 10:48:51,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:51,040 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2022-11-20 10:48:51,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:48:51,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389875209] [2022-11-20 10:48:51,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:51,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:48:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:48:51,139 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:48:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:48:51,193 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:48:51,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:51,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1500063963, now seen corresponding path program 1 times [2022-11-20 10:48:51,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:48:51,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462848176] [2022-11-20 10:48:51,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:51,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:48:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:48:51,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:48:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:48:51,263 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:48:51,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:51,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1876539869, now seen corresponding path program 1 times [2022-11-20 10:48:51,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:48:51,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951646638] [2022-11-20 10:48:51,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:51,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:48:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:48:51,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:48:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:48:51,434 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:48:53,580 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 10:48:53,581 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 10:48:53,581 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 10:48:53,582 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 10:48:53,582 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 10:48:53,582 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:48:53,583 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 10:48:53,583 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 10:48:53,583 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.06-alloca.i_Iteration2_Lasso [2022-11-20 10:48:53,583 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 10:48:53,583 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 10:48:53,613 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:53,624 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:53,627 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:53,629 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:53,632 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:53,635 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:53,638 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:53,643 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:53,647 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:53,649 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:53,653 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:53,656 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:53,659 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:53,661 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:53,665 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:54,816 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:54,819 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:54,823 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:54,825 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:54,828 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:54,830 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:54,833 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:54,835 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:54,838 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:54,841 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:54,844 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:54,846 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:54,849 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:54,851 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:48:55,544 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 10:48:55,549 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 10:48:55,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:48:55,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:48:55,554 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:48:55,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 10:48:55,570 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 [2022-11-20 10:48:55,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:48:55,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:48:55,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:48:55,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:48:55,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:48:55,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:48:55,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:48:55,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:48:55,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-20 10:48:55,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:48:55,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:48:55,620 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:48:55,639 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 [2022-11-20 10:48:55,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 10:48:55,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:48:55,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:48:55,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:48:55,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:48:55,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:48:55,652 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:48:55,652 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:48:55,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:48:55,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:48:55,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:48:55,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:48:55,677 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:48:55,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 10:48:55,687 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 [2022-11-20 10:48:55,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:48:55,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:48:55,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:48:55,703 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:48:55,703 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:48:55,706 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:48:55,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:48:55,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:48:55,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:48:55,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:48:55,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:48:55,728 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:48:55,732 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 [2022-11-20 10:48:55,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 10:48:55,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:48:55,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:48:55,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:48:55,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:48:55,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:48:55,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:48:55,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:48:55,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:48:55,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 10:48:55,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:48:55,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:48:55,766 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:48:55,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 10:48:55,771 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 [2022-11-20 10:48:55,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:48:55,785 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:48:55,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:48:55,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:48:55,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:48:55,786 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:48:55,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:48:55,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:48:55,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 10:48:55,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:48:55,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:48:55,801 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:48:55,812 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 [2022-11-20 10:48:55,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:48:55,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:48:55,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:48:55,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:48:55,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:48:55,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:48:55,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:48:55,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 10:48:55,835 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:48:55,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 10:48:55,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:48:55,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:48:55,848 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:48:55,860 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 [2022-11-20 10:48:55,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 10:48:55,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:48:55,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:48:55,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:48:55,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:48:55,876 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:48:55,877 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:48:55,894 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:48:55,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 10:48:55,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:48:55,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:48:55,904 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:48:55,914 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 [2022-11-20 10:48:55,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:48:55,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:48:55,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:48:55,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:48:55,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:48:55,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:48:55,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 10:48:55,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:48:55,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 10:48:55,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:48:55,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:48:55,948 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:48:55,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 10:48:55,951 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 [2022-11-20 10:48:55,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:48:55,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:48:55,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:48:55,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:48:55,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:48:55,962 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:48:55,962 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:48:55,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:48:55,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 10:48:55,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:48:55,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:48:55,971 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:48:55,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 10:48:55,978 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 [2022-11-20 10:48:55,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:48:55,990 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:48:55,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:48:55,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:48:55,991 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:48:55,991 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:48:55,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:48:56,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:48:56,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 10:48:56,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:48:56,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:48:56,013 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:48:56,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 10:48:56,017 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 [2022-11-20 10:48:56,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:48:56,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:48:56,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:48:56,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:48:56,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:48:56,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:48:56,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:48:56,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:48:56,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-11-20 10:48:56,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:48:56,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:48:56,036 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:48:56,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 10:48:56,043 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 [2022-11-20 10:48:56,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:48:56,053 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:48:56,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:48:56,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:48:56,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:48:56,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:48:56,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:48:56,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:48:56,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-20 10:48:56,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:48:56,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:48:56,096 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:48:56,104 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 [2022-11-20 10:48:56,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 10:48:56,115 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:48:56,115 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:48:56,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:48:56,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:48:56,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:48:56,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:48:56,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:48:56,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:48:56,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 10:48:56,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:48:56,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:48:56,132 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:48:56,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 10:48:56,137 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 [2022-11-20 10:48:56,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:48:56,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:48:56,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:48:56,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:48:56,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:48:56,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:48:56,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:48:56,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-20 10:48:56,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:48:56,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:48:56,176 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:48:56,188 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 [2022-11-20 10:48:56,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:48:56,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:48:56,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:48:56,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:48:56,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 10:48:56,224 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:48:56,224 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:48:56,254 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 10:48:56,316 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-20 10:48:56,316 INFO L444 ModelExtractionUtils]: 13 out of 40 variables were initially zero. Simplification set additionally 24 variables to zero. [2022-11-20 10:48:56,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:48:56,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:48:56,382 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:48:56,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 10:48:56,431 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 10:48:56,453 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-20 10:48:56,453 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 10:48:56,454 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0#1.base) ULTIMATE.start_test_fun_~z_ref~0#1.offset)_1) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0#1.base) ULTIMATE.start_test_fun_~z_ref~0#1.offset)_1 + 4294967293 Supporting invariants [] [2022-11-20 10:48:56,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 10:48:56,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 10:48:56,695 INFO L156 tatePredicateManager]: 37 out of 37 supporting invariants were superfluous and have been removed [2022-11-20 10:48:56,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:56,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:48:56,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:48:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:56,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-20 10:48:56,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:48:57,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:48:57,154 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2022-11-20 10:48:57,155 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 7 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 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) [2022-11-20 10:48:57,418 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 7. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 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 73 states and 101 transitions. Complement of second has 12 states. [2022-11-20 10:48:57,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2022-11-20 10:48:57,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 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) [2022-11-20 10:48:57,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 48 transitions. [2022-11-20 10:48:57,422 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 48 transitions. Stem has 2 letters. Loop has 11 letters. [2022-11-20 10:48:57,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:48:57,424 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 48 transitions. Stem has 13 letters. Loop has 11 letters. [2022-11-20 10:48:57,424 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:48:57,424 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 48 transitions. Stem has 2 letters. Loop has 22 letters. [2022-11-20 10:48:57,424 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:48:57,425 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 101 transitions. [2022-11-20 10:48:57,427 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 27 [2022-11-20 10:48:57,429 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 66 states and 92 transitions. [2022-11-20 10:48:57,429 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2022-11-20 10:48:57,430 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2022-11-20 10:48:57,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 92 transitions. [2022-11-20 10:48:57,430 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 10:48:57,430 INFO L218 hiAutomatonCegarLoop]: Abstraction has 66 states and 92 transitions. [2022-11-20 10:48:57,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states and 92 transitions. [2022-11-20 10:48:57,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 45. [2022-11-20 10:48:57,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.3777777777777778) internal successors, (62), 44 states have internal predecessors, (62), 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) [2022-11-20 10:48:57,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 62 transitions. [2022-11-20 10:48:57,435 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 62 transitions. [2022-11-20 10:48:57,435 INFO L428 stractBuchiCegarLoop]: Abstraction has 45 states and 62 transitions. [2022-11-20 10:48:57,435 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 10:48:57,436 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 62 transitions. [2022-11-20 10:48:57,436 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 17 [2022-11-20 10:48:57,437 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:48:57,437 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:48:57,437 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-20 10:48:57,437 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:48:57,438 INFO L748 eck$LassoCheckResult]: Stem: 375#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 376#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~ret29#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem23#1, test_fun_#t~mem24#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~short13#1, test_fun_#t~short14#1, test_fun_#t~mem17#1, test_fun_#t~mem15#1, test_fun_#t~mem16#1, test_fun_#t~short18#1, test_fun_#t~mem19#1, test_fun_#t~short20#1, test_fun_#t~mem21#1, test_fun_#t~short22#1, test_fun_#t~mem25#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 381#L557-20 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 400#L557-1 [2022-11-20 10:48:57,438 INFO L750 eck$LassoCheckResult]: Loop: 400#L557-1 assume !test_fun_#t~short9#1; 396#L557-3 test_fun_#t~short14#1 := test_fun_#t~short9#1; 397#L557-4 assume test_fun_#t~short14#1; 415#L557-9 test_fun_#t~short18#1 := test_fun_#t~short14#1; 393#L557-10 assume test_fun_#t~short18#1;call test_fun_#t~mem17#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem15#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem16#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short18#1 := test_fun_#t~mem17#1 > test_fun_#t~mem15#1 + test_fun_#t~mem16#1; 389#L557-12 test_fun_#t~short20#1 := test_fun_#t~short18#1; 390#L557-13 assume test_fun_#t~short20#1;call test_fun_#t~mem19#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short20#1 := test_fun_#t~mem19#1 < 2147483647; 387#L557-15 test_fun_#t~short22#1 := test_fun_#t~short20#1; 377#L557-16 assume test_fun_#t~short22#1;call test_fun_#t~mem21#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short22#1 := test_fun_#t~mem21#1 < 2147483647; 378#L557-18 assume !!test_fun_#t~short22#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~mem12#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~short14#1;havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~mem16#1;havoc test_fun_#t~short18#1;havoc test_fun_#t~mem19#1;havoc test_fun_#t~short20#1;havoc test_fun_#t~mem21#1;havoc test_fun_#t~short22#1;call test_fun_#t~mem23#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem23#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem23#1;call test_fun_#t~mem24#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem24#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);havoc test_fun_#t~mem24#1; 404#L557-20 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 400#L557-1 [2022-11-20 10:48:57,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:57,438 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-11-20 10:48:57,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:48:57,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328956237] [2022-11-20 10:48:57,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:57,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:48:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:48:57,484 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:48:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:48:57,508 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:48:57,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:57,511 INFO L85 PathProgramCache]: Analyzing trace with hash 962628681, now seen corresponding path program 1 times [2022-11-20 10:48:57,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:48:57,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242450828] [2022-11-20 10:48:57,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:57,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:48:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:57,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:48:57,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:48:57,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242450828] [2022-11-20 10:48:57,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242450828] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:48:57,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:48:57,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:48:57,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126251411] [2022-11-20 10:48:57,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:48:57,591 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 10:48:57,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:48:57,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:48:57,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:48:57,592 INFO L87 Difference]: Start difference. First operand 45 states and 62 transitions. cyclomatic complexity: 19 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 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) [2022-11-20 10:48:57,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:48:57,637 INFO L93 Difference]: Finished difference Result 59 states and 82 transitions. [2022-11-20 10:48:57,638 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 82 transitions. [2022-11-20 10:48:57,639 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 24 [2022-11-20 10:48:57,641 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 59 states and 82 transitions. [2022-11-20 10:48:57,641 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2022-11-20 10:48:57,642 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2022-11-20 10:48:57,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 82 transitions. [2022-11-20 10:48:57,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 10:48:57,642 INFO L218 hiAutomatonCegarLoop]: Abstraction has 59 states and 82 transitions. [2022-11-20 10:48:57,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 82 transitions. [2022-11-20 10:48:57,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 39. [2022-11-20 10:48:57,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 38 states have internal predecessors, (54), 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) [2022-11-20 10:48:57,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2022-11-20 10:48:57,648 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 54 transitions. [2022-11-20 10:48:57,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:48:57,649 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 54 transitions. [2022-11-20 10:48:57,650 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-20 10:48:57,650 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 54 transitions. [2022-11-20 10:48:57,653 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2022-11-20 10:48:57,653 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:48:57,653 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:48:57,653 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-20 10:48:57,654 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:48:57,654 INFO L748 eck$LassoCheckResult]: Stem: 488#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 489#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~ret29#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem23#1, test_fun_#t~mem24#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~short13#1, test_fun_#t~short14#1, test_fun_#t~mem17#1, test_fun_#t~mem15#1, test_fun_#t~mem16#1, test_fun_#t~short18#1, test_fun_#t~mem19#1, test_fun_#t~short20#1, test_fun_#t~mem21#1, test_fun_#t~short22#1, test_fun_#t~mem25#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 494#L557-20 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 509#L557-1 [2022-11-20 10:48:57,655 INFO L750 eck$LassoCheckResult]: Loop: 509#L557-1 assume test_fun_#t~short9#1;call test_fun_#t~mem8#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem8#1 < 2147483647 - test_fun_#t~mem7#1; 507#L557-3 test_fun_#t~short14#1 := test_fun_#t~short9#1; 495#L557-4 assume !test_fun_#t~short14#1;call test_fun_#t~mem10#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short13#1 := test_fun_#t~mem10#1 < 0; 496#L557-6 assume test_fun_#t~short13#1;call test_fun_#t~mem12#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short13#1 := test_fun_#t~mem12#1 > -2147483648 - test_fun_#t~mem11#1; 484#L557-8 test_fun_#t~short14#1 := test_fun_#t~short13#1; 485#L557-9 test_fun_#t~short18#1 := test_fun_#t~short14#1; 505#L557-10 assume !test_fun_#t~short18#1; 501#L557-12 test_fun_#t~short20#1 := test_fun_#t~short18#1; 502#L557-13 assume test_fun_#t~short20#1;call test_fun_#t~mem19#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short20#1 := test_fun_#t~mem19#1 < 2147483647; 499#L557-15 test_fun_#t~short22#1 := test_fun_#t~short20#1; 490#L557-16 assume test_fun_#t~short22#1;call test_fun_#t~mem21#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short22#1 := test_fun_#t~mem21#1 < 2147483647; 491#L557-18 assume !!test_fun_#t~short22#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~mem12#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~short14#1;havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~mem16#1;havoc test_fun_#t~short18#1;havoc test_fun_#t~mem19#1;havoc test_fun_#t~short20#1;havoc test_fun_#t~mem21#1;havoc test_fun_#t~short22#1;call test_fun_#t~mem23#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem23#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem23#1;call test_fun_#t~mem24#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem24#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);havoc test_fun_#t~mem24#1; 512#L557-20 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 509#L557-1 [2022-11-20 10:48:57,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:57,656 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2022-11-20 10:48:57,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:48:57,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537474649] [2022-11-20 10:48:57,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:57,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:48:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:48:57,696 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:48:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:48:57,714 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:48:57,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:57,715 INFO L85 PathProgramCache]: Analyzing trace with hash 623036047, now seen corresponding path program 1 times [2022-11-20 10:48:57,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:48:57,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547945365] [2022-11-20 10:48:57,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:57,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:48:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:57,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:48:57,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:48:57,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547945365] [2022-11-20 10:48:57,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547945365] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:48:57,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:48:57,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:48:57,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347320224] [2022-11-20 10:48:57,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:48:57,788 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 10:48:57,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:48:57,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:48:57,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:48:57,790 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. cyclomatic complexity: 17 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2022-11-20 10:48:57,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:48:57,844 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2022-11-20 10:48:57,844 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 78 transitions. [2022-11-20 10:48:57,845 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 21 [2022-11-20 10:48:57,846 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 58 states and 78 transitions. [2022-11-20 10:48:57,846 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2022-11-20 10:48:57,846 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2022-11-20 10:48:57,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 78 transitions. [2022-11-20 10:48:57,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 10:48:57,846 INFO L218 hiAutomatonCegarLoop]: Abstraction has 58 states and 78 transitions. [2022-11-20 10:48:57,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 78 transitions. [2022-11-20 10:48:57,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 43. [2022-11-20 10:48:57,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 42 states have internal predecessors, (58), 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) [2022-11-20 10:48:57,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 58 transitions. [2022-11-20 10:48:57,849 INFO L240 hiAutomatonCegarLoop]: Abstraction has 43 states and 58 transitions. [2022-11-20 10:48:57,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:48:57,852 INFO L428 stractBuchiCegarLoop]: Abstraction has 43 states and 58 transitions. [2022-11-20 10:48:57,852 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-20 10:48:57,852 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 58 transitions. [2022-11-20 10:48:57,853 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2022-11-20 10:48:57,853 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:48:57,853 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:48:57,853 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-20 10:48:57,853 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:48:57,854 INFO L748 eck$LassoCheckResult]: Stem: 594#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 595#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~ret29#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem23#1, test_fun_#t~mem24#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~short13#1, test_fun_#t~short14#1, test_fun_#t~mem17#1, test_fun_#t~mem15#1, test_fun_#t~mem16#1, test_fun_#t~short18#1, test_fun_#t~mem19#1, test_fun_#t~short20#1, test_fun_#t~mem21#1, test_fun_#t~short22#1, test_fun_#t~mem25#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 600#L557-20 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 620#L557-1 [2022-11-20 10:48:57,854 INFO L750 eck$LassoCheckResult]: Loop: 620#L557-1 assume test_fun_#t~short9#1;call test_fun_#t~mem8#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem8#1 < 2147483647 - test_fun_#t~mem7#1; 617#L557-3 test_fun_#t~short14#1 := test_fun_#t~short9#1; 601#L557-4 assume !test_fun_#t~short14#1;call test_fun_#t~mem10#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short13#1 := test_fun_#t~mem10#1 < 0; 602#L557-6 assume test_fun_#t~short13#1;call test_fun_#t~mem12#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short13#1 := test_fun_#t~mem12#1 > -2147483648 - test_fun_#t~mem11#1; 590#L557-8 test_fun_#t~short14#1 := test_fun_#t~short13#1; 591#L557-9 test_fun_#t~short18#1 := test_fun_#t~short14#1; 611#L557-10 assume !test_fun_#t~short18#1; 612#L557-12 test_fun_#t~short20#1 := test_fun_#t~short18#1; 623#L557-13 assume !test_fun_#t~short20#1; 605#L557-15 test_fun_#t~short22#1 := test_fun_#t~short20#1; 596#L557-16 assume test_fun_#t~short22#1;call test_fun_#t~mem21#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short22#1 := test_fun_#t~mem21#1 < 2147483647; 597#L557-18 assume !!test_fun_#t~short22#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~mem12#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~short14#1;havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~mem16#1;havoc test_fun_#t~short18#1;havoc test_fun_#t~mem19#1;havoc test_fun_#t~short20#1;havoc test_fun_#t~mem21#1;havoc test_fun_#t~short22#1;call test_fun_#t~mem23#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem23#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem23#1;call test_fun_#t~mem24#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem24#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);havoc test_fun_#t~mem24#1; 625#L557-20 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 620#L557-1 [2022-11-20 10:48:57,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:57,854 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 3 times [2022-11-20 10:48:57,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:48:57,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308589558] [2022-11-20 10:48:57,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:57,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:48:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:48:57,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:48:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:48:57,927 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:48:57,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:57,943 INFO L85 PathProgramCache]: Analyzing trace with hash 624883089, now seen corresponding path program 1 times [2022-11-20 10:48:57,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:48:57,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121018116] [2022-11-20 10:48:57,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:57,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:48:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:57,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:48:57,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:48:57,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121018116] [2022-11-20 10:48:57,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121018116] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:48:57,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:48:57,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:48:57,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595860197] [2022-11-20 10:48:57,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:48:57,977 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 10:48:57,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:48:57,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:48:57,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:48:57,978 INFO L87 Difference]: Start difference. First operand 43 states and 58 transitions. cyclomatic complexity: 17 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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) [2022-11-20 10:48:58,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:48:58,003 INFO L93 Difference]: Finished difference Result 55 states and 64 transitions. [2022-11-20 10:48:58,003 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 64 transitions. [2022-11-20 10:48:58,004 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2022-11-20 10:48:58,004 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 39 states and 46 transitions. [2022-11-20 10:48:58,004 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-20 10:48:58,004 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-11-20 10:48:58,004 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 46 transitions. [2022-11-20 10:48:58,005 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 10:48:58,005 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 46 transitions. [2022-11-20 10:48:58,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 46 transitions. [2022-11-20 10:48:58,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-20 10:48:58,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.1794871794871795) internal successors, (46), 38 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:48:58,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2022-11-20 10:48:58,021 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 46 transitions. [2022-11-20 10:48:58,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:48:58,022 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 46 transitions. [2022-11-20 10:48:58,022 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-20 10:48:58,022 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 46 transitions. [2022-11-20 10:48:58,023 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2022-11-20 10:48:58,023 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:48:58,023 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:48:58,023 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-20 10:48:58,023 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:48:58,024 INFO L748 eck$LassoCheckResult]: Stem: 701#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 702#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~ret29#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem23#1, test_fun_#t~mem24#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~short13#1, test_fun_#t~short14#1, test_fun_#t~mem17#1, test_fun_#t~mem15#1, test_fun_#t~mem16#1, test_fun_#t~short18#1, test_fun_#t~mem19#1, test_fun_#t~short20#1, test_fun_#t~mem21#1, test_fun_#t~short22#1, test_fun_#t~mem25#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 707#L557-20 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 722#L557-1 [2022-11-20 10:48:58,024 INFO L750 eck$LassoCheckResult]: Loop: 722#L557-1 assume test_fun_#t~short9#1;call test_fun_#t~mem8#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem8#1 < 2147483647 - test_fun_#t~mem7#1; 720#L557-3 test_fun_#t~short14#1 := test_fun_#t~short9#1; 708#L557-4 assume !test_fun_#t~short14#1;call test_fun_#t~mem10#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short13#1 := test_fun_#t~mem10#1 < 0; 709#L557-6 assume test_fun_#t~short13#1;call test_fun_#t~mem12#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short13#1 := test_fun_#t~mem12#1 > -2147483648 - test_fun_#t~mem11#1; 697#L557-8 test_fun_#t~short14#1 := test_fun_#t~short13#1; 698#L557-9 test_fun_#t~short18#1 := test_fun_#t~short14#1; 718#L557-10 assume test_fun_#t~short18#1;call test_fun_#t~mem17#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem15#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem16#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short18#1 := test_fun_#t~mem17#1 > test_fun_#t~mem15#1 + test_fun_#t~mem16#1; 714#L557-12 test_fun_#t~short20#1 := test_fun_#t~short18#1; 715#L557-13 assume test_fun_#t~short20#1;call test_fun_#t~mem19#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short20#1 := test_fun_#t~mem19#1 < 2147483647; 712#L557-15 test_fun_#t~short22#1 := test_fun_#t~short20#1; 703#L557-16 assume test_fun_#t~short22#1;call test_fun_#t~mem21#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short22#1 := test_fun_#t~mem21#1 < 2147483647; 704#L557-18 assume !!test_fun_#t~short22#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~mem12#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~short14#1;havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~mem16#1;havoc test_fun_#t~short18#1;havoc test_fun_#t~mem19#1;havoc test_fun_#t~short20#1;havoc test_fun_#t~mem21#1;havoc test_fun_#t~short22#1;call test_fun_#t~mem23#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem23#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem23#1;call test_fun_#t~mem24#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem24#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);havoc test_fun_#t~mem24#1; 725#L557-20 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 722#L557-1 [2022-11-20 10:48:58,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:58,024 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 4 times [2022-11-20 10:48:58,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:48:58,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198973982] [2022-11-20 10:48:58,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:58,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:48:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:48:58,063 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:48:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:48:58,077 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:48:58,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:58,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1151971315, now seen corresponding path program 1 times [2022-11-20 10:48:58,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:48:58,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456363484] [2022-11-20 10:48:58,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:58,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:48:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:58,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:48:58,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:48:58,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456363484] [2022-11-20 10:48:58,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456363484] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:48:58,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:48:58,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 10:48:58,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430950903] [2022-11-20 10:48:58,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:48:58,320 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 10:48:58,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:48:58,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 10:48:58,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:48:58,321 INFO L87 Difference]: Start difference. First operand 39 states and 46 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 6 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) [2022-11-20 10:48:58,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:48:58,535 INFO L93 Difference]: Finished difference Result 91 states and 98 transitions. [2022-11-20 10:48:58,535 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 91 states and 98 transitions. [2022-11-20 10:48:58,536 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 32 [2022-11-20 10:48:58,537 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 91 states to 75 states and 82 transitions. [2022-11-20 10:48:58,537 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2022-11-20 10:48:58,537 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2022-11-20 10:48:58,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 75 states and 82 transitions. [2022-11-20 10:48:58,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 10:48:58,538 INFO L218 hiAutomatonCegarLoop]: Abstraction has 75 states and 82 transitions. [2022-11-20 10:48:58,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states and 82 transitions. [2022-11-20 10:48:58,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 43. [2022-11-20 10:48:58,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.1627906976744187) internal successors, (50), 42 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:48:58,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 50 transitions. [2022-11-20 10:48:58,541 INFO L240 hiAutomatonCegarLoop]: Abstraction has 43 states and 50 transitions. [2022-11-20 10:48:58,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 10:48:58,545 INFO L428 stractBuchiCegarLoop]: Abstraction has 43 states and 50 transitions. [2022-11-20 10:48:58,545 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-20 10:48:58,545 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 50 transitions. [2022-11-20 10:48:58,546 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 16 [2022-11-20 10:48:58,546 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:48:58,546 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:48:58,546 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-20 10:48:58,546 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:48:58,547 INFO L748 eck$LassoCheckResult]: Stem: 853#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 854#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~ret29#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem23#1, test_fun_#t~mem24#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~short13#1, test_fun_#t~short14#1, test_fun_#t~mem17#1, test_fun_#t~mem15#1, test_fun_#t~mem16#1, test_fun_#t~short18#1, test_fun_#t~mem19#1, test_fun_#t~short20#1, test_fun_#t~mem21#1, test_fun_#t~short22#1, test_fun_#t~mem25#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 859#L557-20 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 878#L557-1 [2022-11-20 10:48:58,547 INFO L750 eck$LassoCheckResult]: Loop: 878#L557-1 assume test_fun_#t~short9#1;call test_fun_#t~mem8#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem8#1 < 2147483647 - test_fun_#t~mem7#1; 874#L557-3 test_fun_#t~short14#1 := test_fun_#t~short9#1; 875#L557-4 assume !test_fun_#t~short14#1;call test_fun_#t~mem10#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short13#1 := test_fun_#t~mem10#1 < 0; 870#L557-6 assume !test_fun_#t~short13#1; 849#L557-8 test_fun_#t~short14#1 := test_fun_#t~short13#1; 850#L557-9 test_fun_#t~short18#1 := test_fun_#t~short14#1; 872#L557-10 assume test_fun_#t~short18#1;call test_fun_#t~mem17#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem15#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem16#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short18#1 := test_fun_#t~mem17#1 > test_fun_#t~mem15#1 + test_fun_#t~mem16#1; 866#L557-12 test_fun_#t~short20#1 := test_fun_#t~short18#1; 867#L557-13 assume test_fun_#t~short20#1;call test_fun_#t~mem19#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short20#1 := test_fun_#t~mem19#1 < 2147483647; 864#L557-15 test_fun_#t~short22#1 := test_fun_#t~short20#1; 855#L557-16 assume test_fun_#t~short22#1;call test_fun_#t~mem21#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short22#1 := test_fun_#t~mem21#1 < 2147483647; 856#L557-18 assume !!test_fun_#t~short22#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~mem12#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~short14#1;havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~mem16#1;havoc test_fun_#t~short18#1;havoc test_fun_#t~mem19#1;havoc test_fun_#t~short20#1;havoc test_fun_#t~mem21#1;havoc test_fun_#t~short22#1;call test_fun_#t~mem23#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem23#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem23#1;call test_fun_#t~mem24#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem24#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);havoc test_fun_#t~mem24#1; 882#L557-20 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 878#L557-1 [2022-11-20 10:48:58,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:58,547 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 5 times [2022-11-20 10:48:58,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:48:58,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121836408] [2022-11-20 10:48:58,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:58,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:48:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:48:58,566 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:48:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:48:58,578 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:48:58,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:58,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1544998325, now seen corresponding path program 1 times [2022-11-20 10:48:58,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:48:58,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095373266] [2022-11-20 10:48:58,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:58,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:48:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:58,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:48:58,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:48:58,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095373266] [2022-11-20 10:48:58,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095373266] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:48:58,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:48:58,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:48:58,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813290615] [2022-11-20 10:48:58,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:48:58,635 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 10:48:58,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:48:58,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:48:58,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:48:58,636 INFO L87 Difference]: Start difference. First operand 43 states and 50 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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) [2022-11-20 10:48:58,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:48:58,679 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2022-11-20 10:48:58,679 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 54 transitions. [2022-11-20 10:48:58,679 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2022-11-20 10:48:58,680 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 39 states and 42 transitions. [2022-11-20 10:48:58,680 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-20 10:48:58,680 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-11-20 10:48:58,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 42 transitions. [2022-11-20 10:48:58,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 10:48:58,680 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 42 transitions. [2022-11-20 10:48:58,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 42 transitions. [2022-11-20 10:48:58,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-20 10:48:58,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.0769230769230769) internal successors, (42), 38 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:48:58,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2022-11-20 10:48:58,683 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 42 transitions. [2022-11-20 10:48:58,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:48:58,684 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 42 transitions. [2022-11-20 10:48:58,685 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-20 10:48:58,685 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 42 transitions. [2022-11-20 10:48:58,685 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2022-11-20 10:48:58,685 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:48:58,685 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:48:58,685 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-20 10:48:58,686 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:48:58,686 INFO L748 eck$LassoCheckResult]: Stem: 957#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 958#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~ret29#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1, test_fun_#in~z#1 := main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~mem23#1, test_fun_#t~mem24#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem7#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~mem12#1, test_fun_#t~mem11#1, test_fun_#t~short13#1, test_fun_#t~short14#1, test_fun_#t~mem17#1, test_fun_#t~mem15#1, test_fun_#t~mem16#1, test_fun_#t~short18#1, test_fun_#t~mem19#1, test_fun_#t~short20#1, test_fun_#t~mem21#1, test_fun_#t~short22#1, test_fun_#t~mem25#1, test_fun_~x#1, test_fun_~y#1, test_fun_~z#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;test_fun_~z#1 := test_fun_#in~z#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_~z#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 963#L557-20 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 978#L557-1 [2022-11-20 10:48:58,686 INFO L750 eck$LassoCheckResult]: Loop: 978#L557-1 assume !test_fun_#t~short9#1; 976#L557-3 test_fun_#t~short14#1 := test_fun_#t~short9#1; 964#L557-4 assume !test_fun_#t~short14#1;call test_fun_#t~mem10#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short13#1 := test_fun_#t~mem10#1 < 0; 965#L557-6 assume test_fun_#t~short13#1;call test_fun_#t~mem12#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short13#1 := test_fun_#t~mem12#1 > -2147483648 - test_fun_#t~mem11#1; 953#L557-8 test_fun_#t~short14#1 := test_fun_#t~short13#1; 954#L557-9 test_fun_#t~short18#1 := test_fun_#t~short14#1; 974#L557-10 assume test_fun_#t~short18#1;call test_fun_#t~mem17#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem15#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call test_fun_#t~mem16#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short18#1 := test_fun_#t~mem17#1 > test_fun_#t~mem15#1 + test_fun_#t~mem16#1; 970#L557-12 test_fun_#t~short20#1 := test_fun_#t~short18#1; 971#L557-13 assume test_fun_#t~short20#1;call test_fun_#t~mem19#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short20#1 := test_fun_#t~mem19#1 < 2147483647; 968#L557-15 test_fun_#t~short22#1 := test_fun_#t~short20#1; 959#L557-16 assume test_fun_#t~short22#1;call test_fun_#t~mem21#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);test_fun_#t~short22#1 := test_fun_#t~mem21#1 < 2147483647; 960#L557-18 assume !!test_fun_#t~short22#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~mem12#1;havoc test_fun_#t~mem11#1;havoc test_fun_#t~short13#1;havoc test_fun_#t~short14#1;havoc test_fun_#t~mem17#1;havoc test_fun_#t~mem15#1;havoc test_fun_#t~mem16#1;havoc test_fun_#t~short18#1;havoc test_fun_#t~mem19#1;havoc test_fun_#t~short20#1;havoc test_fun_#t~mem21#1;havoc test_fun_#t~short22#1;call test_fun_#t~mem23#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem23#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem23#1;call test_fun_#t~mem24#1 := read~int(test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem24#1, test_fun_~z_ref~0#1.base, test_fun_~z_ref~0#1.offset, 4);havoc test_fun_#t~mem24#1; 981#L557-20 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem6#1 >= 0; 978#L557-1 [2022-11-20 10:48:58,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:58,686 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 6 times [2022-11-20 10:48:58,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:48:58,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687835534] [2022-11-20 10:48:58,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:58,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:48:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:48:58,744 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:48:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:48:58,767 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:48:58,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:58,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1738777329, now seen corresponding path program 1 times [2022-11-20 10:48:58,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:48:58,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127970352] [2022-11-20 10:48:58,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:58,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:48:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:48:58,804 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:48:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:48:58,822 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:48:58,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:58,825 INFO L85 PathProgramCache]: Analyzing trace with hash -403715764, now seen corresponding path program 1 times [2022-11-20 10:48:58,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:48:58,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350879271] [2022-11-20 10:48:58,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:58,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:48:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:48:58,862 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:48:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:48:58,882 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:49:01,181 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 10:49:01,182 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 10:49:01,182 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 10:49:01,182 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 10:49:01,182 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 10:49:01,182 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:49:01,182 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 10:49:01,182 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 10:49:01,182 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.06-alloca.i_Iteration8_Lasso [2022-11-20 10:49:01,182 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 10:49:01,182 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 10:49:01,188 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:01,192 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:01,194 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:02,432 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:02,435 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:02,438 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:02,440 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:02,443 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:02,445 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:02,448 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:02,451 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:02,453 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:02,457 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:02,459 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:02,464 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:02,466 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:02,470 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:02,473 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:02,476 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:02,478 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:02,481 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:02,483 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:02,485 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:02,489 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:02,491 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:02,494 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:02,496 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:02,498 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:02,501 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:49:03,456 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 10:49:03,456 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 10:49:03,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:49:03,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:49:03,457 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:49:03,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 10:49:03,464 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 [2022-11-20 10:49:03,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:49:03,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:49:03,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:49:03,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:49:03,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:49:03,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:49:03,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:49:03,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:49:03,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-20 10:49:03,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:49:03,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:49:03,480 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:49:03,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-20 10:49:03,487 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 [2022-11-20 10:49:03,497 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:49:03,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:49:03,497 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:49:03,497 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:49:03,497 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:49:03,498 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:49:03,498 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:49:03,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:49:03,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-11-20 10:49:03,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:49:03,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:49:03,504 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:49:03,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-20 10:49:03,508 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 [2022-11-20 10:49:03,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:49:03,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:49:03,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:49:03,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:49:03,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:49:03,521 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:49:03,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:49:03,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-20 10:49:03,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:49:03,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:49:03,552 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:49:03,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-20 10:49:03,559 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 [2022-11-20 10:49:03,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:49:03,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:49:03,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:49:03,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:49:03,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:49:03,580 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:49:03,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:49:03,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-20 10:49:03,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:49:03,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:49:03,598 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:49:03,603 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 [2022-11-20 10:49:03,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-20 10:49:03,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:49:03,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:49:03,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:49:03,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:49:03,616 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:49:03,617 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:49:03,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:49:03,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-11-20 10:49:03,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:49:03,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:49:03,639 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:49:03,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-20 10:49:03,642 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 [2022-11-20 10:49:03,652 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:49:03,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:49:03,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:49:03,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:49:03,655 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:49:03,655 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:49:03,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:49:03,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-20 10:49:03,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:49:03,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:49:03,683 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:49:03,691 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 [2022-11-20 10:49:03,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:49:03,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:49:03,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:49:03,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:49:03,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-20 10:49:03,716 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:49:03,716 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:49:03,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:49:03,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-20 10:49:03,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:49:03,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:49:03,752 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:49:03,764 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 [2022-11-20 10:49:03,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:49:03,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:49:03,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:49:03,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:49:03,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-20 10:49:03,779 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:49:03,779 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:49:03,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:49:03,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-20 10:49:03,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:49:03,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:49:03,800 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:49:03,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-20 10:49:03,804 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 [2022-11-20 10:49:03,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:49:03,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:49:03,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:49:03,814 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:49:03,817 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:49:03,817 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:49:03,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:49:03,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-11-20 10:49:03,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:49:03,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:49:03,834 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:49:03,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-20 10:49:03,839 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 [2022-11-20 10:49:03,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:49:03,850 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-20 10:49:03,850 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 10:49:03,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:49:03,884 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2022-11-20 10:49:03,884 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-20 10:49:03,969 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 10:49:04,183 INFO L443 ModelExtractionUtils]: Simplification made 26 calls to the SMT solver. [2022-11-20 10:49:04,183 INFO L444 ModelExtractionUtils]: 35 out of 76 variables were initially zero. Simplification set additionally 38 variables to zero. [2022-11-20 10:49:04,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:49:04,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:49:04,185 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:49:04,188 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 10:49:04,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-20 10:49:04,200 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2022-11-20 10:49:04,200 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 10:49:04,200 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0#1.base) ULTIMATE.start_test_fun_~z_ref~0#1.offset)_2) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~z_ref~0#1.base) ULTIMATE.start_test_fun_~z_ref~0#1.offset)_2 + 4294967293 Supporting invariants [] [2022-11-20 10:49:04,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-20 10:49:04,448 INFO L156 tatePredicateManager]: 37 out of 37 supporting invariants were superfluous and have been removed [2022-11-20 10:49:04,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:04,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:49:04,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:49:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:04,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-20 10:49:04,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:49:04,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-20 10:49:04,701 INFO L321 Elim1Store]: treesize reduction 16, result has 65.2 percent of original size [2022-11-20 10:49:04,702 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 94 treesize of output 75 [2022-11-20 10:49:04,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:49:04,769 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 [2022-11-20 10:49:04,769 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 42 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2022-11-20 10:49:04,815 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 42 transitions. cyclomatic complexity: 5. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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 77 states and 86 transitions. Complement of second has 6 states. [2022-11-20 10:49:04,815 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 [2022-11-20 10:49:04,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 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) [2022-11-20 10:49:04,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2022-11-20 10:49:04,820 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 3 letters. Loop has 13 letters. [2022-11-20 10:49:04,821 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:49:04,821 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 16 letters. Loop has 13 letters. [2022-11-20 10:49:04,824 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:49:04,824 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 3 letters. Loop has 26 letters. [2022-11-20 10:49:04,825 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:49:04,825 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 86 transitions. [2022-11-20 10:49:04,827 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 10:49:04,828 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 0 states and 0 transitions. [2022-11-20 10:49:04,830 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-20 10:49:04,830 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-20 10:49:04,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-20 10:49:04,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:49:04,831 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:49:04,831 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:49:04,831 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:49:04,831 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-20 10:49:04,831 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-20 10:49:04,831 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 10:49:04,831 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 10:49:04,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:49:04 BoogieIcfgContainer [2022-11-20 10:49:04,839 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 10:49:04,840 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:49:04,840 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:49:04,840 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:49:04,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:48:50" (3/4) ... [2022-11-20 10:49:04,843 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 10:49:04,843 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:49:04,844 INFO L158 Benchmark]: Toolchain (without parser) took 15739.98ms. Allocated memory was 121.6MB in the beginning and 188.7MB in the end (delta: 67.1MB). Free memory was 90.1MB in the beginning and 132.3MB in the end (delta: -42.2MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2022-11-20 10:49:04,848 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 94.4MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:49:04,848 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.03ms. Allocated memory is still 121.6MB. Free memory was 89.6MB in the beginning and 73.9MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 10:49:04,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.55ms. Allocated memory is still 121.6MB. Free memory was 73.9MB in the beginning and 71.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:49:04,849 INFO L158 Benchmark]: Boogie Preprocessor took 24.80ms. Allocated memory is still 121.6MB. Free memory was 71.9MB in the beginning and 70.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:49:04,849 INFO L158 Benchmark]: RCFGBuilder took 549.09ms. Allocated memory is still 121.6MB. Free memory was 70.3MB in the beginning and 55.5MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 10:49:04,849 INFO L158 Benchmark]: BuchiAutomizer took 14634.79ms. Allocated memory was 121.6MB in the beginning and 188.7MB in the end (delta: 67.1MB). Free memory was 55.1MB in the beginning and 132.3MB in the end (delta: -77.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:49:04,849 INFO L158 Benchmark]: Witness Printer took 3.80ms. Allocated memory is still 188.7MB. Free memory is still 132.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:49:04,851 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 94.4MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 474.03ms. Allocated memory is still 121.6MB. Free memory was 89.6MB in the beginning and 73.9MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.55ms. Allocated memory is still 121.6MB. Free memory was 73.9MB in the beginning and 71.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.80ms. Allocated memory is still 121.6MB. Free memory was 71.9MB in the beginning and 70.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 549.09ms. Allocated memory is still 121.6MB. Free memory was 70.3MB in the beginning and 55.5MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 14634.79ms. Allocated memory was 121.6MB in the beginning and 188.7MB in the end (delta: 67.1MB). Free memory was 55.1MB in the beginning and 132.3MB in the end (delta: -77.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.80ms. Allocated memory is still 188.7MB. Free memory is still 132.3MB. 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 8 terminating modules (6 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[z_ref][z_ref] + 4294967293 and consists of 7 locations. One deterministic module has affine ranking function -2 * unknown-#memory_int-unknown[z_ref][z_ref] + 4294967293 and consists of 4 locations. 6 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.5s and 9 iterations. TraceHistogramMax:1. Analysis of lassos took 12.7s. Construction of modules took 0.3s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 6. Automata minimization 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 93 StatesRemovedByMinimization, 5 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, 191 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 189 mSDsluCounter, 396 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 242 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 254 IncrementalHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 154 mSDtfsCounter, 254 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI6 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital449 mio100 ax104 hnf100 lsp94 ukn55 mio100 lsp34 div100 bol105 ite100 ukn100 eq179 hnf89 smp100 dnf138 smp97 tf100 neg98 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 366ms VariablesStem: 14 VariablesLoop: 9 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 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! [2022-11-20 10:49:04,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b06dfd-61da-467d-bd7f-a18f09086202/bin/uautomizer-ug76WZFUDN/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