./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strcmp_short.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strcmp_short.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 b1c2170b573195199b536f4216072331a44f601eea992fff1c8334eed63f3a51 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:44:08,667 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:44:08,788 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-19 07:44:08,800 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:44:08,801 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:44:08,843 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:44:08,844 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:44:08,844 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:44:08,846 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:44:08,851 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:44:08,853 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:44:08,853 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:44:08,854 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:44:08,856 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:44:08,856 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:44:08,857 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:44:08,857 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:44:08,858 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:44:08,859 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:44:08,860 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:44:08,860 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:44:08,861 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:44:08,861 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:44:08,862 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:44:08,863 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:44:08,863 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:44:08,864 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:44:08,864 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:44:08,865 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:44:08,865 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:44:08,867 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:44:08,867 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:44:08,868 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:44:08,869 INFO L153 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_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1c2170b573195199b536f4216072331a44f601eea992fff1c8334eed63f3a51 [2023-11-19 07:44:09,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:44:09,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:44:09,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:44:09,176 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:44:09,177 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:44:09,178 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/termination-dietlibc/strcmp_short.i [2023-11-19 07:44:12,360 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:44:12,590 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:44:12,591 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/sv-benchmarks/c/termination-dietlibc/strcmp_short.i [2023-11-19 07:44:12,619 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/data/62e4cbb89/363082b2af52445ebcb53058aad85bcb/FLAG98df4109c [2023-11-19 07:44:12,638 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/data/62e4cbb89/363082b2af52445ebcb53058aad85bcb [2023-11-19 07:44:12,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:44:12,642 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:44:12,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:44:12,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:44:12,650 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:44:12,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:12" (1/1) ... [2023-11-19 07:44:12,652 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22def829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:12, skipping insertion in model container [2023-11-19 07:44:12,652 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:12" (1/1) ... [2023-11-19 07:44:12,695 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:44:12,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:44:13,024 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:44:13,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:44:13,136 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:44:13,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:13 WrapperNode [2023-11-19 07:44:13,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:44:13,138 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:44:13,138 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:44:13,138 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:44:13,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:13" (1/1) ... [2023-11-19 07:44:13,159 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:13" (1/1) ... [2023-11-19 07:44:13,182 INFO L138 Inliner]: procedures = 114, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 92 [2023-11-19 07:44:13,182 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:44:13,183 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:44:13,183 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:44:13,184 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:44:13,193 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:13" (1/1) ... [2023-11-19 07:44:13,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:13" (1/1) ... [2023-11-19 07:44:13,197 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:13" (1/1) ... [2023-11-19 07:44:13,197 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:13" (1/1) ... [2023-11-19 07:44:13,203 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:13" (1/1) ... [2023-11-19 07:44:13,207 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:13" (1/1) ... [2023-11-19 07:44:13,209 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:13" (1/1) ... [2023-11-19 07:44:13,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:13" (1/1) ... [2023-11-19 07:44:13,213 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:44:13,214 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:44:13,214 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:44:13,214 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:44:13,215 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:13" (1/1) ... [2023-11-19 07:44:13,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:13,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:13,251 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:13,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:44:13,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:44:13,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:44:13,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:44:13,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:44:13,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:44:13,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:44:13,386 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:44:13,388 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:44:13,653 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:44:13,661 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:44:13,661 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 07:44:13,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:13 BoogieIcfgContainer [2023-11-19 07:44:13,665 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:44:13,666 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:44:13,666 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:44:13,670 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:44:13,671 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:44:13,671 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:44:12" (1/3) ... [2023-11-19 07:44:13,673 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47069baf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:44:13, skipping insertion in model container [2023-11-19 07:44:13,673 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:44:13,673 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:13" (2/3) ... [2023-11-19 07:44:13,673 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47069baf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:44:13, skipping insertion in model container [2023-11-19 07:44:13,673 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:44:13,674 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:13" (3/3) ... [2023-11-19 07:44:13,676 INFO L332 chiAutomizerObserver]: Analyzing ICFG strcmp_short.i [2023-11-19 07:44:13,734 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:44:13,734 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:44:13,734 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:44:13,735 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:44:13,735 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:44:13,735 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:44:13,735 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:44:13,735 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:44:13,745 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 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) [2023-11-19 07:44:13,767 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2023-11-19 07:44:13,767 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:44:13,768 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:44:13,774 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-19 07:44:13,775 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 07:44:13,775 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:44:13,776 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 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) [2023-11-19 07:44:13,779 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2023-11-19 07:44:13,780 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:44:13,780 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:44:13,780 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-19 07:44:13,781 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 07:44:13,787 INFO L748 eck$LassoCheckResult]: Stem: 13#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;havoc main_#t~nondet10#1;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 10#L514true assume !(main_~in_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 6#L516-3true [2023-11-19 07:44:13,787 INFO L750 eck$LassoCheckResult]: Loop: 6#L516-3true assume !!(main_~i~0#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet13#1;call write~int(main_#t~nondet13#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet13#1; 14#L516-2true main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 6#L516-3true [2023-11-19 07:44:13,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:13,794 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-11-19 07:44:13,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:13,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988170159] [2023-11-19 07:44:13,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:13,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:13,963 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:14,024 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:44:14,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:14,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2023-11-19 07:44:14,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:14,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770042589] [2023-11-19 07:44:14,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:14,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:14,039 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:14,048 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:44:14,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:14,050 INFO L85 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2023-11-19 07:44:14,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:14,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046728867] [2023-11-19 07:44:14,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:14,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:14,083 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:14,111 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:44:14,471 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:44:14,472 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:44:14,473 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:44:14,473 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:44:14,473 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:44:14,473 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:14,474 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:44:14,474 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:44:14,474 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcmp_short.i_Iteration1_Lasso [2023-11-19 07:44:14,475 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:44:14,475 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:44:14,498 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:14,514 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:14,520 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:14,525 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:14,529 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:14,532 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:14,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:14,769 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:14,772 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:14,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:14,780 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:14,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:14,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:14,791 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:14,795 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:14,798 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:15,134 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:44:15,139 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:44:15,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:15,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:15,144 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:15,155 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 [2023-11-19 07:44:15,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 07:44:15,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:15,169 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:44:15,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:15,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:15,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:15,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:44:15,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:44:15,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:15,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:15,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:15,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:15,216 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:15,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 07:44:15,221 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 [2023-11-19 07:44:15,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:15,233 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:44:15,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:15,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:15,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:15,234 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:44:15,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:44:15,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:15,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:15,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:15,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:15,266 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:15,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:44:15,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:15,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:44:15,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:15,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:15,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:15,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 07:44:15,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:44:15,290 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:44:15,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:15,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:15,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:15,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:15,334 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:15,338 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 [2023-11-19 07:44:15,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:15,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:44:15,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:15,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:15,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:15,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:44:15,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:44:15,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 07:44:15,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:15,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:15,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:15,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:15,381 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:15,383 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 [2023-11-19 07:44:15,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-19 07:44:15,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:15,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:44:15,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:15,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:15,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:15,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:44:15,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:44:15,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:15,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:15,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:15,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:15,435 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:15,442 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 [2023-11-19 07:44:15,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 07:44:15,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:15,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:15,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:15,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:15,473 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:44:15,473 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:44:15,512 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:44:15,571 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2023-11-19 07:44:15,571 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-19 07:44:15,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:15,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:15,630 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:15,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-19 07:44:15,635 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:44:15,657 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 07:44:15,657 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:44:15,658 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~in_len~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~in_len~0#1 Supporting invariants [] [2023-11-19 07:44:15,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:15,701 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2023-11-19 07:44:15,731 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:15,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:15,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:44:15,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:44:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:15,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:44:15,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:44:15,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:44:15,850 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 [2023-11-19 07:44:15,853 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 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) 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) [2023-11-19 07:44:15,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:15,946 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 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). 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 37 states and 53 transitions. Complement of second has 8 states. [2023-11-19 07:44:15,948 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 [2023-11-19 07:44:15,953 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) [2023-11-19 07:44:15,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2023-11-19 07:44:15,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 3 letters. Loop has 2 letters. [2023-11-19 07:44:15,957 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:44:15,957 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-19 07:44:15,958 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:44:15,958 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 3 letters. Loop has 4 letters. [2023-11-19 07:44:15,958 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:44:15,959 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 53 transitions. [2023-11-19 07:44:15,963 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-19 07:44:15,967 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 14 states and 19 transitions. [2023-11-19 07:44:15,969 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-19 07:44:15,969 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-11-19 07:44:15,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2023-11-19 07:44:15,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:15,970 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2023-11-19 07:44:15,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2023-11-19 07:44:15,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-11-19 07:44:15,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:15,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2023-11-19 07:44:15,999 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2023-11-19 07:44:15,999 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2023-11-19 07:44:15,999 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:44:15,999 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2023-11-19 07:44:16,000 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-19 07:44:16,001 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:44:16,001 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:44:16,001 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:44:16,001 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 07:44:16,002 INFO L748 eck$LassoCheckResult]: Stem: 119#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 116#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;havoc main_#t~nondet10#1;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 117#L514 assume !(main_~in_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 113#L516-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 111#L516-4 havoc main_~i~0#1;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet14#1;main_~out_len~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 112#L522 assume !(main_~out_len~0#1 < 1);call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;main_~i~1#1 := 0; 120#L524-3 [2023-11-19 07:44:16,002 INFO L750 eck$LassoCheckResult]: Loop: 120#L524-3 assume !!(main_~i~1#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet17#1;call write~int(main_#t~nondet17#1, main_~out~0#1.base, main_~out~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 122#L524-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 120#L524-3 [2023-11-19 07:44:16,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:16,003 INFO L85 PathProgramCache]: Analyzing trace with hash 889572430, now seen corresponding path program 1 times [2023-11-19 07:44:16,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:16,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034302353] [2023-11-19 07:44:16,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:16,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:16,024 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:16,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:16,043 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:44:16,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:16,044 INFO L85 PathProgramCache]: Analyzing trace with hash 2051, now seen corresponding path program 1 times [2023-11-19 07:44:16,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:16,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441868900] [2023-11-19 07:44:16,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:16,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:16,052 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:16,059 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:44:16,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:16,060 INFO L85 PathProgramCache]: Analyzing trace with hash 180614416, now seen corresponding path program 1 times [2023-11-19 07:44:16,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:16,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640185815] [2023-11-19 07:44:16,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:16,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:16,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:16,094 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:16,119 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:44:16,624 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:44:16,624 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:44:16,624 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:44:16,624 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:44:16,624 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:44:16,625 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:16,625 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:44:16,625 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:44:16,625 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcmp_short.i_Iteration2_Lasso [2023-11-19 07:44:16,625 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:44:16,625 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:44:16,631 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:16,634 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:16,639 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:16,643 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:16,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:16,650 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:16,654 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:16,657 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:16,660 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:16,663 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:16,666 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:16,669 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:17,266 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:44:17,266 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:44:17,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:17,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:17,268 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:17,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-19 07:44:17,274 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 [2023-11-19 07:44:17,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:17,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:44:17,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:17,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:17,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:17,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:44:17,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:44:17,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:17,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:17,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:17,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:17,317 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:17,325 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 [2023-11-19 07:44:17,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:17,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:17,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:17,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:17,340 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:44:17,340 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:44:17,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-19 07:44:17,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:17,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:17,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:17,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:17,388 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:17,396 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 [2023-11-19 07:44:17,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:17,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:44:17,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:17,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:17,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:17,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:44:17,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:44:17,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-19 07:44:17,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:17,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:17,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:17,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:17,444 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:17,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-19 07:44:17,449 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 [2023-11-19 07:44:17,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:17,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:44:17,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:17,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:17,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:17,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:44:17,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:44:17,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:17,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:17,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:17,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:17,513 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:17,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-19 07:44:17,528 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 [2023-11-19 07:44:17,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:17,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:17,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:17,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:17,544 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:44:17,544 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:44:17,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:17,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:17,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:17,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:17,594 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:17,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:44:17,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-19 07:44:17,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:17,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:44:17,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:17,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:17,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:17,610 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:44:17,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:44:17,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:17,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:17,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:17,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:17,643 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:17,653 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 [2023-11-19 07:44:17,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:17,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:44:17,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:17,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:17,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:17,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:44:17,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:44:17,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-19 07:44:17,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:17,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:17,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:17,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:17,704 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:17,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-19 07:44:17,707 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 [2023-11-19 07:44:17,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:17,719 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:44:17,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:17,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:17,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:17,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:44:17,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:44:17,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:17,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:17,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:17,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:17,757 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:17,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-19 07:44:17,760 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:44:17,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:17,769 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:44:17,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:17,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:17,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:17,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:44:17,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:44:17,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:17,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-19 07:44:17,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:17,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:17,793 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:17,801 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 [2023-11-19 07:44:17,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-19 07:44:17,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:17,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:44:17,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:17,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:17,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:17,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:44:17,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:44:17,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:17,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:17,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:17,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:17,836 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:17,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-19 07:44:17,840 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 [2023-11-19 07:44:17,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:17,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:44:17,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:17,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:17,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:17,851 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:44:17,851 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:44:17,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:17,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:17,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:17,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:17,871 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:17,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-19 07:44:17,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:44:17,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:17,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:17,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:17,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:17,888 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:44:17,888 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:44:17,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:17,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:17,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:17,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:17,953 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:17,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-19 07:44:17,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:44:17,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:17,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:17,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:17,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:17,983 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:44:17,984 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:44:17,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:18,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:18,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:18,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:18,023 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:18,025 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:44:18,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:18,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:18,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:18,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:18,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-19 07:44:18,042 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:44:18,042 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:44:18,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:18,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:18,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:18,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:18,085 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:18,087 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 [2023-11-19 07:44:18,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:18,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:44:18,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:18,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:18,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:18,101 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:44:18,101 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:44:18,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-19 07:44:18,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:18,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:18,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:18,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:18,132 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:18,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:44:18,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:18,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:18,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:18,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:18,151 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:44:18,151 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:44:18,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-19 07:44:18,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:18,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:18,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:18,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:18,192 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:18,195 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 [2023-11-19 07:44:18,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-19 07:44:18,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:18,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:18,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:18,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:18,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:44:18,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:44:18,221 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:18,239 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:18,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:18,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:18,241 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:18,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:44:18,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:18,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:18,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:18,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:18,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-19 07:44:18,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:44:18,265 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:44:18,288 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:44:18,327 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2023-11-19 07:44:18,327 INFO L444 ModelExtractionUtils]: 2 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. [2023-11-19 07:44:18,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:18,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:18,333 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:18,335 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:44:18,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-19 07:44:18,357 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-19 07:44:18,357 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:44:18,357 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~out~0#1.base)_1, ULTIMATE.start_main_~i~1#1) = 1*v_rep(select #length ULTIMATE.start_main_~out~0#1.base)_1 - 1*ULTIMATE.start_main_~i~1#1 Supporting invariants [1*ULTIMATE.start_main_~out~0#1.offset >= 0] [2023-11-19 07:44:18,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:18,412 INFO L156 tatePredicateManager]: 9 out of 10 supporting invariants were superfluous and have been removed [2023-11-19 07:44:18,416 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~out~0!base] could not be translated [2023-11-19 07:44:18,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:18,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:44:18,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:44:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:18,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:44:18,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:44:18,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:44:18,497 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 [2023-11-19 07:44:18,497 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 19 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:18,550 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 19 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 31 transitions. Complement of second has 8 states. [2023-11-19 07:44:18,551 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 [2023-11-19 07:44:18,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:18,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2023-11-19 07:44:18,553 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 6 letters. Loop has 2 letters. [2023-11-19 07:44:18,553 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:44:18,553 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 8 letters. Loop has 2 letters. [2023-11-19 07:44:18,553 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:44:18,554 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 6 letters. Loop has 4 letters. [2023-11-19 07:44:18,554 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:44:18,554 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 31 transitions. [2023-11-19 07:44:18,556 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:44:18,556 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 15 states and 20 transitions. [2023-11-19 07:44:18,557 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-19 07:44:18,557 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-19 07:44:18,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2023-11-19 07:44:18,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:18,557 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2023-11-19 07:44:18,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2023-11-19 07:44:18,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-19 07:44:18,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:18,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2023-11-19 07:44:18,560 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2023-11-19 07:44:18,560 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2023-11-19 07:44:18,560 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:44:18,560 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2023-11-19 07:44:18,561 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:44:18,561 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:44:18,562 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:44:18,562 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:18,562 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:44:18,562 INFO L748 eck$LassoCheckResult]: Stem: 247#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 244#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;havoc main_#t~nondet10#1;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 245#L514 assume !(main_~in_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 241#L516-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 239#L516-4 havoc main_~i~0#1;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet14#1;main_~out_len~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 240#L522 assume !(main_~out_len~0#1 < 1);call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;main_~i~1#1 := 0; 248#L524-3 assume !(main_~i~1#1 < main_~out_len~0#1 - 1); 249#L524-4 havoc main_~i~1#1;call write~int(0, main_~out~0#1.base, main_~out~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strcmp } true;strcmp_#in~s1#1.base, strcmp_#in~s1#1.offset, strcmp_#in~s2#1.base, strcmp_#in~s2#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset;havoc strcmp_#res#1;havoc strcmp_#t~post6#1.base, strcmp_#t~post6#1.offset, strcmp_#t~post7#1.base, strcmp_#t~post7#1.offset, strcmp_#t~mem4#1, strcmp_#t~mem2#1, strcmp_#t~mem3#1, strcmp_#t~short5#1, strcmp_#t~mem8#1, strcmp_#t~mem9#1, strcmp_~s1#1.base, strcmp_~s1#1.offset, strcmp_~s2#1.base, strcmp_~s2#1.offset;strcmp_~s1#1.base, strcmp_~s1#1.offset := strcmp_#in~s1#1.base, strcmp_#in~s1#1.offset;strcmp_~s2#1.base, strcmp_~s2#1.offset := strcmp_#in~s2#1.base, strcmp_#in~s2#1.offset; 237#L508-5 [2023-11-19 07:44:18,563 INFO L750 eck$LassoCheckResult]: Loop: 237#L508-5 call strcmp_#t~mem4#1 := read~int(strcmp_~s1#1.base, strcmp_~s1#1.offset, 1);strcmp_#t~short5#1 := 0 != strcmp_#t~mem4#1; 238#L508-1 assume strcmp_#t~short5#1;call strcmp_#t~mem2#1 := read~int(strcmp_~s1#1.base, strcmp_~s1#1.offset, 1);call strcmp_#t~mem3#1 := read~int(strcmp_~s2#1.base, strcmp_~s2#1.offset, 1);strcmp_#t~short5#1 := strcmp_#t~mem2#1 == strcmp_#t~mem3#1; 246#L508-3 assume !!strcmp_#t~short5#1;havoc strcmp_#t~mem4#1;havoc strcmp_#t~mem2#1;havoc strcmp_#t~mem3#1;havoc strcmp_#t~short5#1;strcmp_#t~post6#1.base, strcmp_#t~post6#1.offset := strcmp_~s1#1.base, strcmp_~s1#1.offset;strcmp_~s1#1.base, strcmp_~s1#1.offset := strcmp_#t~post6#1.base, 1 + strcmp_#t~post6#1.offset;havoc strcmp_#t~post6#1.base, strcmp_#t~post6#1.offset;strcmp_#t~post7#1.base, strcmp_#t~post7#1.offset := strcmp_~s2#1.base, strcmp_~s2#1.offset;strcmp_~s2#1.base, strcmp_~s2#1.offset := strcmp_#t~post7#1.base, 1 + strcmp_#t~post7#1.offset;havoc strcmp_#t~post7#1.base, strcmp_#t~post7#1.offset; 237#L508-5 [2023-11-19 07:44:18,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:18,563 INFO L85 PathProgramCache]: Analyzing trace with hash 180614358, now seen corresponding path program 1 times [2023-11-19 07:44:18,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:18,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960446669] [2023-11-19 07:44:18,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:18,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:18,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:18,622 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:44:18,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:18,622 INFO L85 PathProgramCache]: Analyzing trace with hash 74580, now seen corresponding path program 1 times [2023-11-19 07:44:18,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:18,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515391886] [2023-11-19 07:44:18,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:18,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:18,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:18,638 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:18,644 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:44:18,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:18,645 INFO L85 PathProgramCache]: Analyzing trace with hash -911637921, now seen corresponding path program 1 times [2023-11-19 07:44:18,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:18,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260138149] [2023-11-19 07:44:18,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:18,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:19,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:44:19,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:19,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260138149] [2023-11-19 07:44:19,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260138149] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:19,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:19,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-19 07:44:19,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113194873] [2023-11-19 07:44:19,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:19,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-19 07:44:19,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:19,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:44:19,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:44:19,375 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 8 Second operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:19,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:44:19,538 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2023-11-19 07:44:19,538 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 31 transitions. [2023-11-19 07:44:19,547 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:44:19,549 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 16 states and 19 transitions. [2023-11-19 07:44:19,549 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-19 07:44:19,549 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-19 07:44:19,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2023-11-19 07:44:19,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:19,550 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2023-11-19 07:44:19,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2023-11-19 07:44:19,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2023-11-19 07:44:19,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2) internal successors, (18), 14 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:19,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2023-11-19 07:44:19,553 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 18 transitions. [2023-11-19 07:44:19,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 07:44:19,555 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2023-11-19 07:44:19,555 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-19 07:44:19,555 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2023-11-19 07:44:19,557 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:44:19,557 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:44:19,557 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:44:19,558 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:19,558 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:44:19,558 INFO L748 eck$LassoCheckResult]: Stem: 309#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 306#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;havoc main_#t~nondet10#1;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 307#L514 assume !(main_~in_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 303#L516-3 assume !!(main_~i~0#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet13#1;call write~int(main_#t~nondet13#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet13#1; 304#L516-2 main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 305#L516-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 301#L516-4 havoc main_~i~0#1;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet14#1;main_~out_len~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 302#L522 assume !(main_~out_len~0#1 < 1);call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;main_~i~1#1 := 0; 310#L524-3 assume !(main_~i~1#1 < main_~out_len~0#1 - 1); 311#L524-4 havoc main_~i~1#1;call write~int(0, main_~out~0#1.base, main_~out~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strcmp } true;strcmp_#in~s1#1.base, strcmp_#in~s1#1.offset, strcmp_#in~s2#1.base, strcmp_#in~s2#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset;havoc strcmp_#res#1;havoc strcmp_#t~post6#1.base, strcmp_#t~post6#1.offset, strcmp_#t~post7#1.base, strcmp_#t~post7#1.offset, strcmp_#t~mem4#1, strcmp_#t~mem2#1, strcmp_#t~mem3#1, strcmp_#t~short5#1, strcmp_#t~mem8#1, strcmp_#t~mem9#1, strcmp_~s1#1.base, strcmp_~s1#1.offset, strcmp_~s2#1.base, strcmp_~s2#1.offset;strcmp_~s1#1.base, strcmp_~s1#1.offset := strcmp_#in~s1#1.base, strcmp_#in~s1#1.offset;strcmp_~s2#1.base, strcmp_~s2#1.offset := strcmp_#in~s2#1.base, strcmp_#in~s2#1.offset; 299#L508-5 [2023-11-19 07:44:19,559 INFO L750 eck$LassoCheckResult]: Loop: 299#L508-5 call strcmp_#t~mem4#1 := read~int(strcmp_~s1#1.base, strcmp_~s1#1.offset, 1);strcmp_#t~short5#1 := 0 != strcmp_#t~mem4#1; 300#L508-1 assume strcmp_#t~short5#1;call strcmp_#t~mem2#1 := read~int(strcmp_~s1#1.base, strcmp_~s1#1.offset, 1);call strcmp_#t~mem3#1 := read~int(strcmp_~s2#1.base, strcmp_~s2#1.offset, 1);strcmp_#t~short5#1 := strcmp_#t~mem2#1 == strcmp_#t~mem3#1; 308#L508-3 assume !!strcmp_#t~short5#1;havoc strcmp_#t~mem4#1;havoc strcmp_#t~mem2#1;havoc strcmp_#t~mem3#1;havoc strcmp_#t~short5#1;strcmp_#t~post6#1.base, strcmp_#t~post6#1.offset := strcmp_~s1#1.base, strcmp_~s1#1.offset;strcmp_~s1#1.base, strcmp_~s1#1.offset := strcmp_#t~post6#1.base, 1 + strcmp_#t~post6#1.offset;havoc strcmp_#t~post6#1.base, strcmp_#t~post6#1.offset;strcmp_#t~post7#1.base, strcmp_#t~post7#1.offset := strcmp_~s2#1.base, strcmp_~s2#1.offset;strcmp_~s2#1.base, strcmp_~s2#1.offset := strcmp_#t~post7#1.base, 1 + strcmp_#t~post7#1.offset;havoc strcmp_#t~post7#1.base, strcmp_#t~post7#1.offset; 299#L508-5 [2023-11-19 07:44:19,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:19,559 INFO L85 PathProgramCache]: Analyzing trace with hash -875116236, now seen corresponding path program 1 times [2023-11-19 07:44:19,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:19,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810438758] [2023-11-19 07:44:19,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:19,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:19,583 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:19,616 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:44:19,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:19,619 INFO L85 PathProgramCache]: Analyzing trace with hash 74580, now seen corresponding path program 2 times [2023-11-19 07:44:19,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:19,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810534173] [2023-11-19 07:44:19,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:19,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:19,629 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:19,637 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:44:19,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:19,638 INFO L85 PathProgramCache]: Analyzing trace with hash -136255167, now seen corresponding path program 1 times [2023-11-19 07:44:19,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:19,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486660125] [2023-11-19 07:44:19,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:19,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:19,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:44:19,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:44:19,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486660125] [2023-11-19 07:44:19,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486660125] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:44:19,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:44:19,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 07:44:19,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16484141] [2023-11-19 07:44:19,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:44:20,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:44:20,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 07:44:20,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:44:20,046 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. cyclomatic complexity: 6 Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:20,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:44:20,136 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2023-11-19 07:44:20,137 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 22 transitions. [2023-11-19 07:44:20,141 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:44:20,141 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 16 states and 18 transitions. [2023-11-19 07:44:20,142 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-19 07:44:20,142 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-19 07:44:20,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 18 transitions. [2023-11-19 07:44:20,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:20,142 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 18 transitions. [2023-11-19 07:44:20,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 18 transitions. [2023-11-19 07:44:20,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2023-11-19 07:44:20,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:44:20,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2023-11-19 07:44:20,146 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2023-11-19 07:44:20,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:44:20,153 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2023-11-19 07:44:20,154 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-19 07:44:20,154 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2023-11-19 07:44:20,156 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:44:20,156 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:44:20,156 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:44:20,157 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:44:20,157 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:44:20,157 INFO L748 eck$LassoCheckResult]: Stem: 362#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 359#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~nondet13#1, main_#t~post12#1, main_~i~0#1, main_#t~nondet14#1, main_#t~malloc15#1.base, main_#t~malloc15#1.offset, main_#t~nondet17#1, main_#t~post16#1, main_~i~1#1, main_#t~ret18#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~out_len~0#1, main_~out~0#1.base, main_~out~0#1.offset;havoc main_#t~nondet10#1;main_~in_len~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 360#L514 assume !(main_~in_len~0#1 < 1);call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;main_~i~0#1 := 0; 356#L516-3 assume !!(main_~i~0#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet13#1;call write~int(main_#t~nondet13#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet13#1; 357#L516-2 main_#t~post12#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 358#L516-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 354#L516-4 havoc main_~i~0#1;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet14#1;main_~out_len~0#1 := main_#t~nondet14#1;havoc main_#t~nondet14#1; 355#L522 assume !(main_~out_len~0#1 < 1);call main_#t~malloc15#1.base, main_#t~malloc15#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~out~0#1.base, main_~out~0#1.offset := main_#t~malloc15#1.base, main_#t~malloc15#1.offset;main_~i~1#1 := 0; 363#L524-3 assume !!(main_~i~1#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet17#1;call write~int(main_#t~nondet17#1, main_~out~0#1.base, main_~out~0#1.offset + main_~i~1#1, 1);havoc main_#t~nondet17#1; 364#L524-2 main_#t~post16#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post16#1;havoc main_#t~post16#1; 365#L524-3 assume !(main_~i~1#1 < main_~out_len~0#1 - 1); 366#L524-4 havoc main_~i~1#1;call write~int(0, main_~out~0#1.base, main_~out~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strcmp } true;strcmp_#in~s1#1.base, strcmp_#in~s1#1.offset, strcmp_#in~s2#1.base, strcmp_#in~s2#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~out~0#1.base, main_~out~0#1.offset;havoc strcmp_#res#1;havoc strcmp_#t~post6#1.base, strcmp_#t~post6#1.offset, strcmp_#t~post7#1.base, strcmp_#t~post7#1.offset, strcmp_#t~mem4#1, strcmp_#t~mem2#1, strcmp_#t~mem3#1, strcmp_#t~short5#1, strcmp_#t~mem8#1, strcmp_#t~mem9#1, strcmp_~s1#1.base, strcmp_~s1#1.offset, strcmp_~s2#1.base, strcmp_~s2#1.offset;strcmp_~s1#1.base, strcmp_~s1#1.offset := strcmp_#in~s1#1.base, strcmp_#in~s1#1.offset;strcmp_~s2#1.base, strcmp_~s2#1.offset := strcmp_#in~s2#1.base, strcmp_#in~s2#1.offset; 352#L508-5 [2023-11-19 07:44:20,158 INFO L750 eck$LassoCheckResult]: Loop: 352#L508-5 call strcmp_#t~mem4#1 := read~int(strcmp_~s1#1.base, strcmp_~s1#1.offset, 1);strcmp_#t~short5#1 := 0 != strcmp_#t~mem4#1; 353#L508-1 assume strcmp_#t~short5#1;call strcmp_#t~mem2#1 := read~int(strcmp_~s1#1.base, strcmp_~s1#1.offset, 1);call strcmp_#t~mem3#1 := read~int(strcmp_~s2#1.base, strcmp_~s2#1.offset, 1);strcmp_#t~short5#1 := strcmp_#t~mem2#1 == strcmp_#t~mem3#1; 361#L508-3 assume !!strcmp_#t~short5#1;havoc strcmp_#t~mem4#1;havoc strcmp_#t~mem2#1;havoc strcmp_#t~mem3#1;havoc strcmp_#t~short5#1;strcmp_#t~post6#1.base, strcmp_#t~post6#1.offset := strcmp_~s1#1.base, strcmp_~s1#1.offset;strcmp_~s1#1.base, strcmp_~s1#1.offset := strcmp_#t~post6#1.base, 1 + strcmp_#t~post6#1.offset;havoc strcmp_#t~post6#1.base, strcmp_#t~post6#1.offset;strcmp_#t~post7#1.base, strcmp_#t~post7#1.offset := strcmp_~s2#1.base, strcmp_~s2#1.offset;strcmp_~s2#1.base, strcmp_~s2#1.offset := strcmp_#t~post7#1.base, 1 + strcmp_#t~post7#1.offset;havoc strcmp_#t~post7#1.base, strcmp_#t~post7#1.offset; 352#L508-5 [2023-11-19 07:44:20,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:20,158 INFO L85 PathProgramCache]: Analyzing trace with hash 826943990, now seen corresponding path program 1 times [2023-11-19 07:44:20,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:20,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283078718] [2023-11-19 07:44:20,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:20,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:20,194 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:20,212 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:44:20,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:20,214 INFO L85 PathProgramCache]: Analyzing trace with hash 74580, now seen corresponding path program 3 times [2023-11-19 07:44:20,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:20,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710196406] [2023-11-19 07:44:20,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:20,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:20,220 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:20,227 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:44:20,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:20,228 INFO L85 PathProgramCache]: Analyzing trace with hash -443958977, now seen corresponding path program 1 times [2023-11-19 07:44:20,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:44:20,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255044105] [2023-11-19 07:44:20,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:44:20,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:44:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:20,267 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:44:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:44:20,299 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:44:21,733 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:44:21,733 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:44:21,733 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:44:21,734 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:44:21,734 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:44:21,734 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:21,734 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:44:21,734 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:44:21,734 INFO L133 ssoRankerPreferences]: Filename of dumped script: strcmp_short.i_Iteration5_Lasso [2023-11-19 07:44:21,734 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:44:21,734 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:44:21,739 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:21,748 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:21,752 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:21,755 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:21,758 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:21,761 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:21,764 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:21,769 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:22,466 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:22,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:22,472 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:22,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:22,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:22,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:22,484 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:22,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:22,490 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:22,493 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:22,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:22,499 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:22,503 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:22,506 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:22,508 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:22,514 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:22,518 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:22,520 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:22,523 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:22,525 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:44:23,050 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:44:23,051 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:44:23,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:23,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:23,052 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:23,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-19 07:44:23,055 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 [2023-11-19 07:44:23,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:23,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:44:23,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:23,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:23,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:23,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:44:23,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:44:23,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:23,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:23,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:23,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:23,102 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:23,109 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 [2023-11-19 07:44:23,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:23,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:23,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:23,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:23,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-19 07:44:23,126 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:44:23,128 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:44:23,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:23,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-19 07:44:23,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:23,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:23,159 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:23,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-19 07:44:23,165 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 [2023-11-19 07:44:23,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:23,178 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:44:23,178 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:23,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:23,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:23,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:44:23,179 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:44:23,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:23,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:23,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:23,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:23,225 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:23,228 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 [2023-11-19 07:44:23,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:23,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:44:23,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:23,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:23,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:23,241 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:44:23,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:44:23,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-19 07:44:23,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:23,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-11-19 07:44:23,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:23,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:23,277 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:23,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-19 07:44:23,279 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 [2023-11-19 07:44:23,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:23,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:44:23,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:23,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:23,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:23,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:44:23,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:44:23,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:23,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:23,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:23,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:23,319 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:23,329 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 [2023-11-19 07:44:23,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:23,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:44:23,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:23,342 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:23,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:23,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:44:23,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:44:23,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-19 07:44:23,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:23,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:23,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:23,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:23,376 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:23,380 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 [2023-11-19 07:44:23,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-19 07:44:23,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:23,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:44:23,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:23,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:23,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:23,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:44:23,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:44:23,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:23,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:23,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:23,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:23,433 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:23,436 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 [2023-11-19 07:44:23,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-19 07:44:23,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:23,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:23,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:23,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:23,450 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:44:23,450 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:44:23,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:44:23,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:23,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:23,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:23,487 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:23,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-19 07:44:23,492 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 [2023-11-19 07:44:23,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:44:23,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:44:23,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:44:23,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:44:23,513 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:44:23,513 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:44:23,537 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:44:23,569 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2023-11-19 07:44:23,569 INFO L444 ModelExtractionUtils]: 10 out of 25 variables were initially zero. Simplification set additionally 12 variables to zero. [2023-11-19 07:44:23,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:44:23,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:44:23,576 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:44:23,585 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:44:23,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-19 07:44:23,620 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 07:44:23,621 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:44:23,621 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcmp_~s2#1.offset, v_rep(select #length ULTIMATE.start_strcmp_~s2#1.base)_1) = -1*ULTIMATE.start_strcmp_~s2#1.offset + 1*v_rep(select #length ULTIMATE.start_strcmp_~s2#1.base)_1 Supporting invariants [] [2023-11-19 07:44:23,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:23,737 INFO L156 tatePredicateManager]: 22 out of 22 supporting invariants were superfluous and have been removed [2023-11-19 07:44:23,739 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~s2!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 07:44:23,739 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~s2!base] could not be translated [2023-11-19 07:44:23,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:44:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:23,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:44:23,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:44:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:44:23,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:44:23,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:44:23,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:44:23,828 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 [2023-11-19 07:44:23,829 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2023-11-19 07:44:23,851 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 21 transitions. Complement of second has 6 states. [2023-11-19 07:44:23,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 07:44:23,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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) [2023-11-19 07:44:23,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2023-11-19 07:44:23,853 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 12 letters. Loop has 3 letters. [2023-11-19 07:44:23,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:44:23,854 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 15 letters. Loop has 3 letters. [2023-11-19 07:44:23,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:44:23,854 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 12 letters. Loop has 6 letters. [2023-11-19 07:44:23,854 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:44:23,855 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2023-11-19 07:44:23,855 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:44:23,855 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2023-11-19 07:44:23,855 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 07:44:23,856 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 07:44:23,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 07:44:23,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:44:23,856 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:44:23,856 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:44:23,856 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:44:23,856 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-19 07:44:23,856 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:44:23,857 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:44:23,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-19 07:44:23,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:44:23 BoogieIcfgContainer [2023-11-19 07:44:23,864 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:44:23,865 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:44:23,865 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:44:23,865 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:44:23,866 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:44:13" (3/4) ... [2023-11-19 07:44:23,868 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:44:23,869 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:44:23,870 INFO L158 Benchmark]: Toolchain (without parser) took 11227.57ms. Allocated memory was 144.7MB in the beginning and 232.8MB in the end (delta: 88.1MB). Free memory was 100.9MB in the beginning and 67.4MB in the end (delta: 33.5MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2023-11-19 07:44:23,870 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 144.7MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:44:23,870 INFO L158 Benchmark]: CACSL2BoogieTranslator took 493.08ms. Allocated memory is still 144.7MB. Free memory was 100.5MB in the beginning and 84.3MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 07:44:23,871 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.88ms. Allocated memory is still 144.7MB. Free memory was 84.3MB in the beginning and 82.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:44:23,871 INFO L158 Benchmark]: Boogie Preprocessor took 29.93ms. Allocated memory is still 144.7MB. Free memory was 82.2MB in the beginning and 80.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:44:23,872 INFO L158 Benchmark]: RCFGBuilder took 451.08ms. Allocated memory is still 144.7MB. Free memory was 80.9MB in the beginning and 68.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:44:23,872 INFO L158 Benchmark]: BuchiAutomizer took 10198.62ms. Allocated memory was 144.7MB in the beginning and 232.8MB in the end (delta: 88.1MB). Free memory was 68.0MB in the beginning and 68.4MB in the end (delta: -455.0kB). Peak memory consumption was 90.1MB. Max. memory is 16.1GB. [2023-11-19 07:44:23,872 INFO L158 Benchmark]: Witness Printer took 4.17ms. Allocated memory is still 232.8MB. Free memory was 68.4MB in the beginning and 67.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:44:23,874 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 144.7MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 493.08ms. Allocated memory is still 144.7MB. Free memory was 100.5MB in the beginning and 84.3MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.88ms. Allocated memory is still 144.7MB. Free memory was 84.3MB in the beginning and 82.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.93ms. Allocated memory is still 144.7MB. Free memory was 82.2MB in the beginning and 80.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 451.08ms. Allocated memory is still 144.7MB. Free memory was 80.9MB in the beginning and 68.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 10198.62ms. Allocated memory was 144.7MB in the beginning and 232.8MB in the end (delta: 88.1MB). Free memory was 68.0MB in the beginning and 68.4MB in the end (delta: -455.0kB). Peak memory consumption was 90.1MB. Max. memory is 16.1GB. * Witness Printer took 4.17ms. Allocated memory is still 232.8MB. Free memory was 68.4MB in the beginning and 67.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~out~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~s2!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~s2!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function ((-1 * i) + in_len) and consists of 5 locations. One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.1s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 9.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 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 [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 108 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 128 IncrementalHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 42 mSDtfsCounter, 128 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital156 mio100 ax100 hnf100 lsp94 ukn81 mio100 lsp44 div157 bol100 ite100 ukn100 eq168 hnf91 smp80 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 224ms VariablesStem: 7 VariablesLoop: 6 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! [2023-11-19 07:44:23,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-19 07:44:24,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad40608e-0f86-4c81-a333-5e78aee383f9/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE