./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/atol.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f 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_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/atol.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8 --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 80ff54a4912af531f79cca5207b4c360e1baeaf50a022c04b6477033c5176da5 --- 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-e04fb08 [2022-11-16 10:58:45,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 10:58:45,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 10:58:46,033 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 10:58:46,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 10:58:46,039 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 10:58:46,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 10:58:46,047 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 10:58:46,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 10:58:46,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 10:58:46,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 10:58:46,060 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 10:58:46,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 10:58:46,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 10:58:46,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 10:58:46,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 10:58:46,071 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 10:58:46,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 10:58:46,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 10:58:46,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 10:58:46,087 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 10:58:46,089 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 10:58:46,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 10:58:46,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 10:58:46,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 10:58:46,111 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 10:58:46,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 10:58:46,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 10:58:46,114 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 10:58:46,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 10:58:46,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 10:58:46,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 10:58:46,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 10:58:46,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 10:58:46,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 10:58:46,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 10:58:46,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 10:58:46,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 10:58:46,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 10:58:46,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 10:58:46,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 10:58:46,132 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-16 10:58:46,184 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 10:58:46,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 10:58:46,188 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 10:58:46,188 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 10:58:46,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 10:58:46,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 10:58:46,190 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 10:58:46,191 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 10:58:46,191 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 10:58:46,192 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 10:58:46,193 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 10:58:46,194 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 10:58:46,194 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 10:58:46,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 10:58:46,195 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 10:58:46,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 10:58:46,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 10:58:46,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 10:58:46,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 10:58:46,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 10:58:46,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 10:58:46,197 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 10:58:46,198 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 10:58:46,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 10:58:46,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 10:58:46,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 10:58:46,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 10:58:46,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 10:58:46,201 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 10:58:46,201 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_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80ff54a4912af531f79cca5207b4c360e1baeaf50a022c04b6477033c5176da5 [2022-11-16 10:58:46,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 10:58:46,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 10:58:46,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 10:58:46,600 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 10:58:46,601 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 10:58:46,603 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/termination-dietlibc/atol.i [2022-11-16 10:58:46,676 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/data/f083a8797/21ff1471cbe64b08927633ccf059a05c/FLAGb945c780e [2022-11-16 10:58:47,379 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 10:58:47,379 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/sv-benchmarks/c/termination-dietlibc/atol.i [2022-11-16 10:58:47,391 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/data/f083a8797/21ff1471cbe64b08927633ccf059a05c/FLAGb945c780e [2022-11-16 10:58:47,599 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/data/f083a8797/21ff1471cbe64b08927633ccf059a05c [2022-11-16 10:58:47,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 10:58:47,605 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 10:58:47,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 10:58:47,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 10:58:47,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 10:58:47,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:58:47" (1/1) ... [2022-11-16 10:58:47,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77f47f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:47, skipping insertion in model container [2022-11-16 10:58:47,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:58:47" (1/1) ... [2022-11-16 10:58:47,628 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 10:58:47,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 10:58:48,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:58:48,131 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 10:58:48,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:58:48,201 INFO L208 MainTranslator]: Completed translation [2022-11-16 10:58:48,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:48 WrapperNode [2022-11-16 10:58:48,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 10:58:48,203 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 10:58:48,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 10:58:48,204 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 10:58:48,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:48" (1/1) ... [2022-11-16 10:58:48,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:48" (1/1) ... [2022-11-16 10:58:48,285 INFO L138 Inliner]: procedures = 113, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2022-11-16 10:58:48,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 10:58:48,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 10:58:48,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 10:58:48,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 10:58:48,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:48" (1/1) ... [2022-11-16 10:58:48,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:48" (1/1) ... [2022-11-16 10:58:48,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:48" (1/1) ... [2022-11-16 10:58:48,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:48" (1/1) ... [2022-11-16 10:58:48,323 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:48" (1/1) ... [2022-11-16 10:58:48,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:48" (1/1) ... [2022-11-16 10:58:48,343 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:48" (1/1) ... [2022-11-16 10:58:48,344 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:48" (1/1) ... [2022-11-16 10:58:48,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 10:58:48,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 10:58:48,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 10:58:48,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 10:58:48,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:48" (1/1) ... [2022-11-16 10:58:48,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:48,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:48,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:48,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 10:58:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 10:58:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 10:58:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 10:58:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 10:58:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 10:58:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 10:58:48,540 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 10:58:48,542 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 10:58:48,787 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 10:58:48,794 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 10:58:48,794 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 10:58:48,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:58:48 BoogieIcfgContainer [2022-11-16 10:58:48,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 10:58:48,798 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 10:58:48,798 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 10:58:48,815 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 10:58:48,816 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 10:58:48,816 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 10:58:47" (1/3) ... [2022-11-16 10:58:48,818 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ee58171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 10:58:48, skipping insertion in model container [2022-11-16 10:58:48,818 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 10:58:48,818 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:48" (2/3) ... [2022-11-16 10:58:48,819 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5ee58171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 10:58:48, skipping insertion in model container [2022-11-16 10:58:48,819 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 10:58:48,819 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:58:48" (3/3) ... [2022-11-16 10:58:48,820 INFO L332 chiAutomizerObserver]: Analyzing ICFG atol.i [2022-11-16 10:58:48,927 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 10:58:48,928 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 10:58:48,928 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 10:58:48,928 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 10:58:48,929 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 10:58:48,929 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 10:58:48,929 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 10:58:48,930 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 10:58:48,937 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 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) [2022-11-16 10:58:48,962 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2022-11-16 10:58:48,962 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:58:48,962 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:58:48,968 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-16 10:58:48,969 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 10:58:48,969 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 10:58:48,970 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 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) [2022-11-16 10:58:48,975 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2022-11-16 10:58:48,976 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:58:48,976 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:58:48,977 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-16 10:58:48,977 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 10:58:48,988 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~ret16#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 20#L522true assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 17#L524-3true [2022-11-16 10:58:48,990 INFO L750 eck$LassoCheckResult]: Loop: 17#L524-3true assume !!(main_~i~0#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet15#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 21#L524-2true main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 17#L524-3true [2022-11-16 10:58:49,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:49,007 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-11-16 10:58:49,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:49,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046642283] [2022-11-16 10:58:49,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:49,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:49,154 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:58:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:49,189 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:58:49,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:49,193 INFO L85 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2022-11-16 10:58:49,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:49,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276086488] [2022-11-16 10:58:49,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:49,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:49,209 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:58:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:49,220 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:58:49,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:49,222 INFO L85 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2022-11-16 10:58:49,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:49,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238717518] [2022-11-16 10:58:49,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:49,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:49,258 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:58:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:49,284 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:58:49,628 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 10:58:49,629 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 10:58:49,629 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 10:58:49,629 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 10:58:49,630 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 10:58:49,630 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:49,630 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 10:58:49,630 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 10:58:49,630 INFO L133 ssoRankerPreferences]: Filename of dumped script: atol.i_Iteration1_Lasso [2022-11-16 10:58:49,631 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 10:58:49,631 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 10:58:49,655 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:49,667 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:49,672 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:49,675 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:49,678 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:49,682 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:49,686 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:50,251 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 10:58:50,256 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 10:58:50,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:50,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:50,263 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:50,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:50,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 10:58:50,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:50,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:50,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:50,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:50,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:50,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:50,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:50,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:50,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:50,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:50,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:50,309 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:50,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 10:58:50,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:50,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:50,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:50,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:50,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:50,342 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:50,342 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:50,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:50,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-11-16 10:58:50,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:50,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:50,370 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:50,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 10:58:50,375 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 [2022-11-16 10:58:50,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:50,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:50,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:50,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:50,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:50,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:50,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:50,402 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:50,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-11-16 10:58:50,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:50,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:50,409 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:50,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 10:58:50,413 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 [2022-11-16 10:58:50,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:50,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:50,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:50,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:50,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:50,426 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:50,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:50,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:50,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:50,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:50,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:50,449 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:50,457 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 [2022-11-16 10:58:50,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 10:58:50,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:50,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:50,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:50,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:50,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:50,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:50,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:50,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:50,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:50,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:50,504 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:50,508 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 [2022-11-16 10:58:50,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 10:58:50,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:50,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:50,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:50,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:50,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:50,527 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:50,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:50,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:50,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:50,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:50,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:50,562 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:50,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 10:58:50,577 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 [2022-11-16 10:58:50,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:50,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:50,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:50,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:50,617 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:50,618 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:50,651 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 10:58:50,721 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-11-16 10:58:50,721 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-11-16 10:58:50,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:50,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:50,731 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:50,752 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 10:58:50,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 10:58:50,776 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-16 10:58:50,777 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 10:58:50,777 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_1, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [1*ULTIMATE.start_main_~in~0#1.offset >= 0] [2022-11-16 10:58:50,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-11-16 10:58:50,810 INFO L156 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2022-11-16 10:58:50,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:50,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 10:58:50,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:58:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:50,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 10:58:50,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:58:50,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:58:51,014 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 10:58:51,020 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-16 10:58:51,133 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 55 states and 78 transitions. Complement of second has 8 states. [2022-11-16 10:58:51,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 10:58:51,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-16 10:58:51,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2022-11-16 10:58:51,144 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 3 letters. Loop has 2 letters. [2022-11-16 10:58:51,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:58:51,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-16 10:58:51,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:58:51,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 3 letters. Loop has 4 letters. [2022-11-16 10:58:51,146 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:58:51,148 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 78 transitions. [2022-11-16 10:58:51,152 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-11-16 10:58:51,156 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 17 states and 23 transitions. [2022-11-16 10:58:51,157 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-16 10:58:51,158 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-11-16 10:58:51,158 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2022-11-16 10:58:51,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:58:51,159 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-11-16 10:58:51,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2022-11-16 10:58:51,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-16 10:58:51,190 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) [2022-11-16 10:58:51,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2022-11-16 10:58:51,192 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-11-16 10:58:51,193 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-11-16 10:58:51,193 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 10:58:51,193 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2022-11-16 10:58:51,194 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-11-16 10:58:51,194 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:58:51,194 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:58:51,195 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-16 10:58:51,195 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 10:58:51,195 INFO L748 eck$LassoCheckResult]: Stem: 139#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 140#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~ret16#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 147#L522 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 152#L524-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 153#L524-4 call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_atol } true;atol_#in~s#1.base, atol_#in~s#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc atol_#res#1;havoc atol_#t~pre3#1.base, atol_#t~pre3#1.offset, atol_#t~mem2#1, atol_#t~mem4#1, atol_#t~switch5#1, atol_#t~pre6#1.base, atol_#t~pre6#1.offset, atol_#t~mem10#1, atol_#t~pre11#1.base, atol_#t~pre11#1.offset, atol_#t~mem7#1, atol_#t~mem8#1, atol_#t~short9#1, atol_~s#1.base, atol_~s#1.offset, atol_~v~0#1, atol_~sign~0#1;atol_~s#1.base, atol_~s#1.offset := atol_#in~s#1.base, atol_#in~s#1.offset;atol_~v~0#1 := 0;atol_~sign~0#1 := 0; 150#L510-3 [2022-11-16 10:58:51,196 INFO L750 eck$LassoCheckResult]: Loop: 150#L510-3 call atol_#t~mem2#1 := read~int(atol_~s#1.base, atol_~s#1.offset, 1); 151#L510-1 assume !!(32 == atol_#t~mem2#1);havoc atol_#t~mem2#1;atol_#t~pre3#1.base, atol_#t~pre3#1.offset := atol_~s#1.base, 1 + atol_~s#1.offset;atol_~s#1.base, atol_~s#1.offset := atol_~s#1.base, 1 + atol_~s#1.offset;havoc atol_#t~pre3#1.base, atol_#t~pre3#1.offset; 150#L510-3 [2022-11-16 10:58:51,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:51,203 INFO L85 PathProgramCache]: Analyzing trace with hash 28695884, now seen corresponding path program 1 times [2022-11-16 10:58:51,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:51,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211207409] [2022-11-16 10:58:51,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:51,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:51,241 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:58:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:51,274 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:58:51,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:51,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 1 times [2022-11-16 10:58:51,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:51,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056120809] [2022-11-16 10:58:51,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:51,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:51,283 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:58:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:51,298 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:58:51,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:51,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1806941585, now seen corresponding path program 1 times [2022-11-16 10:58:51,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:51,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406915438] [2022-11-16 10:58:51,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:51,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:51,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:51,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:58:51,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:58:51,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406915438] [2022-11-16 10:58:51,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406915438] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:58:51,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:58:51,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 10:58:51,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601909491] [2022-11-16 10:58:51,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:58:51,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:58:51,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 10:58:51,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 10:58:51,910 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 9 Second operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:58:52,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:58:52,029 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2022-11-16 10:58:52,029 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 43 transitions. [2022-11-16 10:58:52,030 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-11-16 10:58:52,031 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 43 transitions. [2022-11-16 10:58:52,032 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2022-11-16 10:58:52,032 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2022-11-16 10:58:52,032 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 43 transitions. [2022-11-16 10:58:52,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:58:52,033 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 43 transitions. [2022-11-16 10:58:52,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 43 transitions. [2022-11-16 10:58:52,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 20. [2022-11-16 10:58:52,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 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) [2022-11-16 10:58:52,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2022-11-16 10:58:52,037 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-11-16 10:58:52,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 10:58:52,044 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-11-16 10:58:52,045 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 10:58:52,045 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2022-11-16 10:58:52,047 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-11-16 10:58:52,047 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:58:52,047 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:58:52,048 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:58:52,048 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 10:58:52,048 INFO L748 eck$LassoCheckResult]: Stem: 204#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 205#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~ret16#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 212#L522 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 218#L524-3 assume !!(main_~i~0#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet15#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 220#L524-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 221#L524-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 222#L524-4 call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_atol } true;atol_#in~s#1.base, atol_#in~s#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc atol_#res#1;havoc atol_#t~pre3#1.base, atol_#t~pre3#1.offset, atol_#t~mem2#1, atol_#t~mem4#1, atol_#t~switch5#1, atol_#t~pre6#1.base, atol_#t~pre6#1.offset, atol_#t~mem10#1, atol_#t~pre11#1.base, atol_#t~pre11#1.offset, atol_#t~mem7#1, atol_#t~mem8#1, atol_#t~short9#1, atol_~s#1.base, atol_~s#1.offset, atol_~v~0#1, atol_~sign~0#1;atol_~s#1.base, atol_~s#1.offset := atol_#in~s#1.base, atol_#in~s#1.offset;atol_~v~0#1 := 0;atol_~sign~0#1 := 0; 215#L510-3 [2022-11-16 10:58:52,049 INFO L750 eck$LassoCheckResult]: Loop: 215#L510-3 call atol_#t~mem2#1 := read~int(atol_~s#1.base, atol_~s#1.offset, 1); 216#L510-1 assume !!(32 == atol_#t~mem2#1);havoc atol_#t~mem2#1;atol_#t~pre3#1.base, atol_#t~pre3#1.offset := atol_~s#1.base, 1 + atol_~s#1.offset;atol_~s#1.base, atol_~s#1.offset := atol_~s#1.base, 1 + atol_~s#1.offset;havoc atol_#t~pre3#1.base, atol_#t~pre3#1.offset; 215#L510-3 [2022-11-16 10:58:52,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:52,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1806996910, now seen corresponding path program 1 times [2022-11-16 10:58:52,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:52,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902133137] [2022-11-16 10:58:52,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:52,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:52,083 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:58:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:52,107 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:58:52,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:52,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 2 times [2022-11-16 10:58:52,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:52,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442796367] [2022-11-16 10:58:52,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:52,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:52,119 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:58:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:52,125 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:58:52,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:52,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1357243763, now seen corresponding path program 1 times [2022-11-16 10:58:52,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:52,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652707162] [2022-11-16 10:58:52,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:52,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:52,168 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:58:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:52,198 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:58:52,732 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 10:58:52,732 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 10:58:52,732 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 10:58:52,732 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 10:58:52,732 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 10:58:52,733 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:52,733 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 10:58:52,733 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 10:58:52,733 INFO L133 ssoRankerPreferences]: Filename of dumped script: atol.i_Iteration3_Lasso [2022-11-16 10:58:52,733 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 10:58:52,733 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 10:58:52,737 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:52,743 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:52,746 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:52,763 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:52,766 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:52,769 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:52,774 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:52,777 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:52,781 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:52,784 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:52,789 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:52,793 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:52,797 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:52,801 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:52,803 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:53,193 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:53,197 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:53,200 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:53,204 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:53,207 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:53,212 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:53,216 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:53,220 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:53,224 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:53,757 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 10:58:53,758 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 10:58:53,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:53,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:53,764 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:53,772 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 [2022-11-16 10:58:53,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 10:58:53,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:53,788 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:53,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:53,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:53,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:53,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:53,797 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:53,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:53,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:53,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:53,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:53,817 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:53,834 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 [2022-11-16 10:58:53,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 10:58:53,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:53,849 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:53,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:53,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:53,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:53,851 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:53,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:53,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:53,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:53,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:53,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:53,871 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:53,889 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 [2022-11-16 10:58:53,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 10:58:53,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:53,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:53,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:53,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:53,906 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:53,906 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:53,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:53,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:53,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:53,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:53,928 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:53,941 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 [2022-11-16 10:58:53,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 10:58:53,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:53,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:53,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:53,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:53,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:53,958 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:53,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:53,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:53,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:53,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:53,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:53,987 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:53,992 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 [2022-11-16 10:58:54,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 10:58:54,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:54,007 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:54,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:54,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:54,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:54,008 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:54,009 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:54,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:54,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:54,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:54,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:54,029 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:54,034 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 [2022-11-16 10:58:54,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 10:58:54,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:54,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:54,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:54,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:54,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:54,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:54,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:54,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:54,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:54,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:54,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:54,073 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:54,086 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 [2022-11-16 10:58:54,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-16 10:58:54,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:54,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:54,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:54,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:54,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:54,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:54,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:54,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:54,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:54,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:54,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:54,124 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:54,138 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 [2022-11-16 10:58:54,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-16 10:58:54,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:54,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:54,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:54,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:54,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:54,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:54,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:54,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:54,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:54,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:54,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:54,182 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:54,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:54,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-16 10:58:54,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:54,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:54,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:54,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:54,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:54,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:54,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:54,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:54,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:54,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:54,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:54,224 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:54,234 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 [2022-11-16 10:58:54,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-16 10:58:54,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:54,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:54,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:54,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:54,254 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:54,254 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:54,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:54,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:54,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:54,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:54,287 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:54,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-16 10:58:54,293 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 [2022-11-16 10:58:54,308 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:54,308 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:54,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:54,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:54,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:54,310 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:54,310 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:54,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:54,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-11-16 10:58:54,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:54,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:54,330 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:54,334 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 [2022-11-16 10:58:54,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-16 10:58:54,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:54,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:54,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:54,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:54,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:54,350 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:54,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:54,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:54,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:54,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:54,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:54,377 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:54,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:54,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-16 10:58:54,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:54,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:54,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:54,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:54,400 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:54,400 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:54,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:54,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:54,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:54,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:54,426 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:54,430 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 [2022-11-16 10:58:54,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-16 10:58:54,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:54,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:54,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:54,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:54,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:54,445 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:54,445 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:54,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:54,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:54,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:54,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:54,481 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:54,487 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 [2022-11-16 10:58:54,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-16 10:58:54,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:54,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:54,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:54,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:54,525 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:54,526 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:54,549 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 10:58:54,573 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-11-16 10:58:54,574 INFO L444 ModelExtractionUtils]: 16 out of 28 variables were initially zero. Simplification set additionally 9 variables to zero. [2022-11-16 10:58:54,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:54,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:54,575 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:54,580 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 10:58:54,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-16 10:58:54,608 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 10:58:54,608 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 10:58:54,609 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_2, ULTIMATE.start_atol_~s#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_2 - 1*ULTIMATE.start_atol_~s#1.offset Supporting invariants [] [2022-11-16 10:58:54,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:54,630 INFO L156 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2022-11-16 10:58:54,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:54,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 10:58:54,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:58:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:54,755 WARN L261 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 10:58:54,756 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:58:54,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:58:54,784 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-16 10:58:54,784 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:58:54,860 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 49 transitions. Complement of second has 7 states. [2022-11-16 10:58:54,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 10:58:54,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:58:54,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2022-11-16 10:58:54,862 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-16 10:58:54,863 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:58:54,863 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 9 letters. Loop has 2 letters. [2022-11-16 10:58:54,863 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:58:54,863 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 7 letters. Loop has 4 letters. [2022-11-16 10:58:54,864 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:58:54,864 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 49 transitions. [2022-11-16 10:58:54,865 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 10:58:54,866 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2022-11-16 10:58:54,866 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 10:58:54,866 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 10:58:54,866 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 10:58:54,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:58:54,866 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 10:58:54,867 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 10:58:54,867 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 10:58:54,867 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-16 10:58:54,867 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 10:58:54,867 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 10:58:54,867 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 10:58:54,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 10:58:54 BoogieIcfgContainer [2022-11-16 10:58:54,877 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 10:58:54,877 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 10:58:54,877 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 10:58:54,878 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 10:58:54,878 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:58:48" (3/4) ... [2022-11-16 10:58:54,900 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 10:58:54,900 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 10:58:54,901 INFO L158 Benchmark]: Toolchain (without parser) took 7295.63ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 90.9MB in the beginning and 133.3MB in the end (delta: -42.4MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. [2022-11-16 10:58:54,902 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 132.1MB. Free memory is still 109.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 10:58:54,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 592.74ms. Allocated memory is still 132.1MB. Free memory was 90.6MB in the beginning and 100.3MB in the end (delta: -9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 10:58:54,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.67ms. Allocated memory is still 132.1MB. Free memory was 100.3MB in the beginning and 98.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 10:58:54,903 INFO L158 Benchmark]: Boogie Preprocessor took 59.66ms. Allocated memory is still 132.1MB. Free memory was 98.2MB in the beginning and 96.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 10:58:54,904 INFO L158 Benchmark]: RCFGBuilder took 449.88ms. Allocated memory is still 132.1MB. Free memory was 96.8MB in the beginning and 84.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 10:58:54,904 INFO L158 Benchmark]: BuchiAutomizer took 6078.69ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 84.6MB in the beginning and 53.0MB in the end (delta: 31.6MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2022-11-16 10:58:54,905 INFO L158 Benchmark]: Witness Printer took 23.18ms. Allocated memory is still 163.6MB. Free memory was 53.0MB in the beginning and 133.3MB in the end (delta: -80.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 10:58:54,908 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2022-11-16 10:58:54,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 132.1MB. Free memory is still 109.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 592.74ms. Allocated memory is still 132.1MB. Free memory was 90.6MB in the beginning and 100.3MB in the end (delta: -9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.67ms. Allocated memory is still 132.1MB. Free memory was 100.3MB in the beginning and 98.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.66ms. Allocated memory is still 132.1MB. Free memory was 98.2MB in the beginning and 96.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 449.88ms. Allocated memory is still 132.1MB. Free memory was 96.8MB in the beginning and 84.6MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 6078.69ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 84.6MB in the beginning and 53.0MB in the end (delta: 31.6MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. * Witness Printer took 23.18ms. Allocated memory is still 163.6MB. Free memory was 53.0MB in the beginning and 133.3MB in the end (delta: -80.3MB). Peak memory consumption was 4.2MB. 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + unknown-#length-unknown[__builtin_alloca (in_len)] and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (in_len)] + -1 * s and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 5.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 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, 80 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 131 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 86 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 45 mSDtfsCounter, 90 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital111 mio100 ax100 hnf100 lsp92 ukn91 mio100 lsp54 div174 bol100 ite100 ukn100 eq159 hnf92 smp74 dnf100 smp100 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 56ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 10:58:54,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2280f53-dc80-411e-b474-21bb253c86b4/bin/uautomizer-tPACEb0tL8/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