./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strstr.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strstr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx --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 4f0de1cabcaa1e7c1b5012604e9626b39d1f0fa44ba0399b8bd31764898831fc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:11:05,474 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:11:05,645 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-21 22:11:05,653 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:11:05,655 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:11:05,718 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:11:05,720 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:11:05,721 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:11:05,722 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:11:05,728 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:11:05,729 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:11:05,730 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:11:05,730 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:11:05,733 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 22:11:05,734 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 22:11:05,734 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 22:11:05,735 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 22:11:05,735 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 22:11:05,736 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 22:11:05,736 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:11:05,737 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 22:11:05,738 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:11:05,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:11:05,739 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 22:11:05,739 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 22:11:05,740 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 22:11:05,740 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:11:05,741 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:11:05,741 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 22:11:05,742 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:11:05,743 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:11:05,744 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:11:05,744 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:11:05,744 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:11:05,745 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 22:11:05,745 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_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f0de1cabcaa1e7c1b5012604e9626b39d1f0fa44ba0399b8bd31764898831fc [2023-11-21 22:11:06,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:11:06,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:11:06,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:11:06,184 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:11:06,185 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:11:06,187 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/termination-dietlibc/strstr.i [2023-11-21 22:11:09,389 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:11:09,687 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:11:09,688 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/sv-benchmarks/c/termination-dietlibc/strstr.i [2023-11-21 22:11:09,705 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/data/37c26fbb7/fe34bf72b8704585ab999686448aae92/FLAG291ccbe6e [2023-11-21 22:11:09,987 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/data/37c26fbb7/fe34bf72b8704585ab999686448aae92 [2023-11-21 22:11:09,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:11:09,992 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:11:09,993 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:11:09,993 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:11:09,998 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:11:09,999 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:11:09" (1/1) ... [2023-11-21 22:11:10,000 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6510968b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:10, skipping insertion in model container [2023-11-21 22:11:10,001 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:11:09" (1/1) ... [2023-11-21 22:11:10,063 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:11:10,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:11:10,425 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:11:10,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:11:10,555 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:11:10,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:10 WrapperNode [2023-11-21 22:11:10,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:11:10,558 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:11:10,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:11:10,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:11:10,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:10" (1/1) ... [2023-11-21 22:11:10,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:10" (1/1) ... [2023-11-21 22:11:10,666 INFO L138 Inliner]: procedures = 116, calls = 22, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 182 [2023-11-21 22:11:10,667 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:11:10,668 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:11:10,669 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:11:10,670 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:11:10,684 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:10" (1/1) ... [2023-11-21 22:11:10,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:10" (1/1) ... [2023-11-21 22:11:10,705 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:10" (1/1) ... [2023-11-21 22:11:10,736 INFO L187 HeapSplitter]: Split 10 memory accesses to 1 slices as follows [10] [2023-11-21 22:11:10,736 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:10" (1/1) ... [2023-11-21 22:11:10,737 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:10" (1/1) ... [2023-11-21 22:11:10,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:10" (1/1) ... [2023-11-21 22:11:10,752 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:10" (1/1) ... [2023-11-21 22:11:10,766 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:10" (1/1) ... [2023-11-21 22:11:10,768 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:10" (1/1) ... [2023-11-21 22:11:10,771 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:11:10,772 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:11:10,772 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:11:10,772 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:11:10,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:10" (1/1) ... [2023-11-21 22:11:10,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:10,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:10,835 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:10,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 22:11:10,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 22:11:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 22:11:10,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:11:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:11:10,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:11:10,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:11:11,056 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:11:11,058 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:11:11,349 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:11:11,360 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:11:11,360 INFO L308 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-21 22:11:11,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:11:11 BoogieIcfgContainer [2023-11-21 22:11:11,362 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:11:11,363 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 22:11:11,363 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 22:11:11,367 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 22:11:11,368 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:11:11,368 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 10:11:09" (1/3) ... [2023-11-21 22:11:11,369 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46b742c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:11:11, skipping insertion in model container [2023-11-21 22:11:11,370 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:11:11,370 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:10" (2/3) ... [2023-11-21 22:11:11,370 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@46b742c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:11:11, skipping insertion in model container [2023-11-21 22:11:11,370 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:11:11,370 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:11:11" (3/3) ... [2023-11-21 22:11:11,372 INFO L332 chiAutomizerObserver]: Analyzing ICFG strstr.i [2023-11-21 22:11:11,425 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 22:11:11,425 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 22:11:11,425 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 22:11:11,425 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 22:11:11,426 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 22:11:11,426 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 22:11:11,426 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 22:11:11,426 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 22:11:11,430 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 39 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 38 states have internal predecessors, (59), 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) [2023-11-21 22:11:11,453 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 19 [2023-11-21 22:11:11,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:11:11,454 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:11:11,460 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-21 22:11:11,460 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:11:11,461 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 22:11:11,461 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 39 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 38 states have internal predecessors, (59), 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) [2023-11-21 22:11:11,465 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 19 [2023-11-21 22:11:11,466 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:11:11,466 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:11:11,467 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-21 22:11:11,467 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:11:11,476 INFO L748 eck$LassoCheckResult]: Stem: 32#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 10#L542true assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 3#L544-3true [2023-11-21 22:11:11,477 INFO L750 eck$LassoCheckResult]: Loop: 3#L544-3true assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet22#1;call write~int#0(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 4#L544-2true main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3#L544-3true [2023-11-21 22:11:11,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:11,483 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-11-21 22:11:11,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:11,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188974342] [2023-11-21 22:11:11,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:11,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:11,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:11,640 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:11,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:11,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2023-11-21 22:11:11,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:11,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181304500] [2023-11-21 22:11:11,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:11,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:11,677 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:11,689 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:11,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:11,695 INFO L85 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2023-11-21 22:11:11,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:11,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187314678] [2023-11-21 22:11:11,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:11,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:11,731 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:11,755 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:12,051 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:11:12,052 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:11:12,052 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:11:12,052 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:11:12,052 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:11:12,053 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:12,053 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:11:12,053 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:11:12,053 INFO L133 ssoRankerPreferences]: Filename of dumped script: strstr.i_Iteration1_Lasso [2023-11-21 22:11:12,053 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:11:12,054 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:11:12,075 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:12,085 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:12,088 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:12,091 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:12,094 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:12,251 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:12,254 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:12,257 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:12,261 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:12,265 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:12,268 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:12,270 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:12,273 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:12,276 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:12,279 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:12,283 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:12,286 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:12,646 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:11:12,651 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:11:12,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:12,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:12,656 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:12,661 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 [2023-11-21 22:11:12,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-21 22:11:12,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:12,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:12,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:12,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:12,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:12,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:12,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:12,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:12,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:12,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:12,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:12,715 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:12,725 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 [2023-11-21 22:11:12,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-21 22:11:12,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:12,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:12,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:12,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:12,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:12,740 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:12,740 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:12,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:12,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:12,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:12,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:12,776 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:12,785 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 [2023-11-21 22:11:12,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-21 22:11:12,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:12,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:12,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:12,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:12,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:12,800 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:12,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:12,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:12,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:12,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:12,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:12,836 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:12,844 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 [2023-11-21 22:11:12,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-21 22:11:12,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:12,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:12,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:12,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:12,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:12,860 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:12,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:12,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:12,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:12,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:12,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:12,893 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:12,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-21 22:11:12,896 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 [2023-11-21 22:11:12,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:12,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:12,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:12,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:12,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:12,911 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:12,911 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:12,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:12,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:12,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:12,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:12,941 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:12,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-21 22:11:12,945 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 [2023-11-21 22:11:12,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:12,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:12,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:12,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:12,966 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:12,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:12,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:13,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:13,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:13,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:13,017 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:13,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-21 22:11:13,020 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 [2023-11-21 22:11:13,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:13,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:13,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:13,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:13,043 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:13,044 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:13,057 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:13,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:13,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:13,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:13,084 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:13,093 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 [2023-11-21 22:11:13,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:13,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:13,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-21 22:11:13,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:13,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:13,116 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:13,116 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:13,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:13,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:13,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:13,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:13,157 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:13,165 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 [2023-11-21 22:11:13,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-21 22:11:13,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:13,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:13,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:13,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:13,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:13,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:13,221 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:11:13,299 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2023-11-21 22:11:13,300 INFO L444 ModelExtractionUtils]: 4 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-21 22:11:13,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:13,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:13,334 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:13,346 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:11:13,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-21 22:11:13,377 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-21 22:11:13,377 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:11:13,377 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~2#1, v_rep(select #length ULTIMATE.start_main_#t~malloc20#1.base)_1) = -1*ULTIMATE.start_main_~i~2#1 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc20#1.base)_1 Supporting invariants [1*ULTIMATE.start_main_~hay~0#1.offset >= 0] [2023-11-21 22:11:13,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:13,421 INFO L156 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2023-11-21 22:11:13,436 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc20!base] could not be translated [2023-11-21 22:11:13,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:13,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 22:11:13,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:11:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:13,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 22:11:13,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:11:13,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:11:13,628 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 [2023-11-21 22:11:13,631 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 39 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 38 states have internal predecessors, (59), 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) [2023-11-21 22:11:13,734 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 39 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 38 states have internal predecessors, (59), 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 79 states and 119 transitions. Complement of second has 8 states. [2023-11-21 22:11:13,736 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 [2023-11-21 22:11:13,741 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) [2023-11-21 22:11:13,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 61 transitions. [2023-11-21 22:11:13,744 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 3 letters. Loop has 2 letters. [2023-11-21 22:11:13,745 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:11:13,745 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-21 22:11:13,745 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:11:13,745 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 61 transitions. Stem has 3 letters. Loop has 4 letters. [2023-11-21 22:11:13,745 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:11:13,746 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 79 states and 119 transitions. [2023-11-21 22:11:13,752 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 17 [2023-11-21 22:11:13,757 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 79 states to 34 states and 48 transitions. [2023-11-21 22:11:13,758 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2023-11-21 22:11:13,758 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2023-11-21 22:11:13,759 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 48 transitions. [2023-11-21 22:11:13,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:11:13,760 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 48 transitions. [2023-11-21 22:11:13,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 48 transitions. [2023-11-21 22:11:13,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2023-11-21 22:11:13,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.411764705882353) internal successors, (48), 33 states have internal predecessors, (48), 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) [2023-11-21 22:11:13,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 48 transitions. [2023-11-21 22:11:13,792 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 48 transitions. [2023-11-21 22:11:13,792 INFO L428 stractBuchiCegarLoop]: Abstraction has 34 states and 48 transitions. [2023-11-21 22:11:13,792 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 22:11:13,793 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 48 transitions. [2023-11-21 22:11:13,794 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 17 [2023-11-21 22:11:13,794 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:11:13,795 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:11:13,795 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-21 22:11:13,795 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:11:13,796 INFO L748 eck$LassoCheckResult]: Stem: 213#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 190#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 191#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 181#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 182#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 189#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 185#L552-3 [2023-11-21 22:11:13,796 INFO L750 eck$LassoCheckResult]: Loop: 185#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 187#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 185#L552-3 [2023-11-21 22:11:13,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:13,797 INFO L85 PathProgramCache]: Analyzing trace with hash 889572430, now seen corresponding path program 1 times [2023-11-21 22:11:13,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:13,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562990205] [2023-11-21 22:11:13,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:13,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:13,818 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:13,838 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:13,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:13,839 INFO L85 PathProgramCache]: Analyzing trace with hash 2051, now seen corresponding path program 1 times [2023-11-21 22:11:13,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:13,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970689138] [2023-11-21 22:11:13,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:13,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:13,847 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:13,854 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:13,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:13,855 INFO L85 PathProgramCache]: Analyzing trace with hash 180614416, now seen corresponding path program 1 times [2023-11-21 22:11:13,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:13,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301067772] [2023-11-21 22:11:13,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:13,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:13,881 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:13,906 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:14,388 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:11:14,388 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:11:14,389 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:11:14,389 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:11:14,389 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:11:14,389 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:14,389 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:11:14,389 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:11:14,389 INFO L133 ssoRankerPreferences]: Filename of dumped script: strstr.i_Iteration2_Lasso [2023-11-21 22:11:14,389 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:11:14,389 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:11:14,393 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:14,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:14,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:14,681 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:14,685 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:14,689 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:14,691 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:14,694 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:14,698 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:14,700 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:14,703 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:14,706 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:14,708 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:14,712 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:14,716 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:15,034 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:11:15,034 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:11:15,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:15,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:15,036 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:15,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-21 22:11:15,048 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 [2023-11-21 22:11:15,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:15,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:15,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:15,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:15,063 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:15,064 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:15,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:15,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:15,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:15,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:15,111 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:15,114 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 [2023-11-21 22:11:15,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:15,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:15,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:15,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:15,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-21 22:11:15,132 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:15,132 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:15,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:15,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:15,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:15,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:15,168 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:15,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:11:15,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:15,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:15,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:15,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:15,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:15,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:15,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:15,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-21 22:11:15,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:15,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:15,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:15,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:15,231 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:15,235 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 [2023-11-21 22:11:15,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:15,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:15,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:15,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:15,250 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:15,251 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:15,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-21 22:11:15,262 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:15,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:15,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:15,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:15,281 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:15,289 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 [2023-11-21 22:11:15,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:15,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:15,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:15,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:15,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-21 22:11:15,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:15,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:15,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:15,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:15,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:15,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:15,350 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:15,361 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 [2023-11-21 22:11:15,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:15,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:15,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:15,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:15,381 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:15,382 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:15,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-21 22:11:15,397 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:11:15,422 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2023-11-21 22:11:15,423 INFO L444 ModelExtractionUtils]: 3 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. [2023-11-21 22:11:15,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:15,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:15,431 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:15,438 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:11:15,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-21 22:11:15,472 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:11:15,472 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:11:15,472 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~out_len~0#1, ULTIMATE.start_main_~i~3#1) = 1*ULTIMATE.start_main_~out_len~0#1 - 1*ULTIMATE.start_main_~i~3#1 Supporting invariants [] [2023-11-21 22:11:15,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:15,522 INFO L156 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2023-11-21 22:11:15,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:15,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:11:15,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:11:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:15,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 22:11:15,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:11:15,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:11:15,585 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 [2023-11-21 22:11:15,585 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 48 transitions. cyclomatic complexity: 19 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) [2023-11-21 22:11:15,609 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 48 transitions. cyclomatic complexity: 19. 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 61 states and 89 transitions. Complement of second has 8 states. [2023-11-21 22:11:15,609 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 [2023-11-21 22:11:15,610 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) [2023-11-21 22:11:15,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 46 transitions. [2023-11-21 22:11:15,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 46 transitions. Stem has 6 letters. Loop has 2 letters. [2023-11-21 22:11:15,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:11:15,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 46 transitions. Stem has 8 letters. Loop has 2 letters. [2023-11-21 22:11:15,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:11:15,612 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 46 transitions. Stem has 6 letters. Loop has 4 letters. [2023-11-21 22:11:15,612 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:11:15,612 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 89 transitions. [2023-11-21 22:11:15,615 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2023-11-21 22:11:15,616 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 35 states and 49 transitions. [2023-11-21 22:11:15,616 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2023-11-21 22:11:15,616 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2023-11-21 22:11:15,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 49 transitions. [2023-11-21 22:11:15,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:11:15,617 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 49 transitions. [2023-11-21 22:11:15,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 49 transitions. [2023-11-21 22:11:15,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2023-11-21 22:11:15,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.4) internal successors, (49), 34 states have internal predecessors, (49), 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) [2023-11-21 22:11:15,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 49 transitions. [2023-11-21 22:11:15,620 INFO L240 hiAutomatonCegarLoop]: Abstraction has 35 states and 49 transitions. [2023-11-21 22:11:15,621 INFO L428 stractBuchiCegarLoop]: Abstraction has 35 states and 49 transitions. [2023-11-21 22:11:15,621 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-21 22:11:15,621 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 49 transitions. [2023-11-21 22:11:15,622 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2023-11-21 22:11:15,622 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:11:15,622 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:11:15,623 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:11:15,623 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 22:11:15,623 INFO L748 eck$LassoCheckResult]: Stem: 394#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 372#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 373#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 360#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 361#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 369#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 364#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 365#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 368#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 374#L510-4 [2023-11-21 22:11:15,623 INFO L750 eck$LassoCheckResult]: Loop: 374#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 375#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 384#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 374#L510-4 [2023-11-21 22:11:15,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:15,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1304077847, now seen corresponding path program 1 times [2023-11-21 22:11:15,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:15,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751291724] [2023-11-21 22:11:15,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:15,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:15,673 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:15,712 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:15,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:15,717 INFO L85 PathProgramCache]: Analyzing trace with hash 78610, now seen corresponding path program 1 times [2023-11-21 22:11:15,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:15,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273247421] [2023-11-21 22:11:15,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:15,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:15,726 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:15,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:15,736 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:15,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:15,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1803996476, now seen corresponding path program 1 times [2023-11-21 22:11:15,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:15,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922827729] [2023-11-21 22:11:15,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:15,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:16,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:11:16,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:11:16,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922827729] [2023-11-21 22:11:16,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922827729] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:11:16,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:11:16,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-21 22:11:16,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124906368] [2023-11-21 22:11:16,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:11:16,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:11:16,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:11:16,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:11:16,192 INFO L87 Difference]: Start difference. First operand 35 states and 49 transitions. cyclomatic complexity: 19 Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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) [2023-11-21 22:11:16,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:11:16,281 INFO L93 Difference]: Finished difference Result 59 states and 76 transitions. [2023-11-21 22:11:16,281 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 76 transitions. [2023-11-21 22:11:16,282 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 27 [2023-11-21 22:11:16,284 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 59 states and 76 transitions. [2023-11-21 22:11:16,284 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 54 [2023-11-21 22:11:16,284 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 54 [2023-11-21 22:11:16,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 76 transitions. [2023-11-21 22:11:16,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:11:16,285 INFO L218 hiAutomatonCegarLoop]: Abstraction has 59 states and 76 transitions. [2023-11-21 22:11:16,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 76 transitions. [2023-11-21 22:11:16,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 39. [2023-11-21 22:11:16,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 38 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:11:16,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 51 transitions. [2023-11-21 22:11:16,289 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 51 transitions. [2023-11-21 22:11:16,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:11:16,291 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 51 transitions. [2023-11-21 22:11:16,291 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-21 22:11:16,291 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 51 transitions. [2023-11-21 22:11:16,292 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2023-11-21 22:11:16,292 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:11:16,292 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:11:16,293 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:11:16,293 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 22:11:16,294 INFO L748 eck$LassoCheckResult]: Stem: 504#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 480#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 481#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 469#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 470#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 479#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 473#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 474#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 507#L509 assume strlen_~s#1.base == 0 && strlen_~s#1.offset == 0;strlen_#res#1 := 0; 496#strlen_returnLabel#1 strstr_#t~ret11#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 494#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 487#L510-10 [2023-11-21 22:11:16,294 INFO L750 eck$LassoCheckResult]: Loop: 487#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 488#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 490#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 487#L510-10 [2023-11-21 22:11:16,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:16,294 INFO L85 PathProgramCache]: Analyzing trace with hash -911639398, now seen corresponding path program 1 times [2023-11-21 22:11:16,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:16,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482733232] [2023-11-21 22:11:16,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:16,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:16,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:11:16,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:11:16,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482733232] [2023-11-21 22:11:16,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482733232] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:11:16,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:11:16,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:11:16,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866352158] [2023-11-21 22:11:16,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:11:16,371 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 22:11:16,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:16,372 INFO L85 PathProgramCache]: Analyzing trace with hash 100456, now seen corresponding path program 1 times [2023-11-21 22:11:16,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:16,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360913370] [2023-11-21 22:11:16,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:16,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:16,377 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:16,381 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:16,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-21 22:11:16,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:11:16,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 22:11:16,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:11:16,478 INFO L87 Difference]: Start difference. First operand 39 states and 51 transitions. cyclomatic complexity: 17 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:11:16,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:11:16,530 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2023-11-21 22:11:16,530 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 49 transitions. [2023-11-21 22:11:16,534 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2023-11-21 22:11:16,534 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 49 transitions. [2023-11-21 22:11:16,535 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2023-11-21 22:11:16,535 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 35 [2023-11-21 22:11:16,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 49 transitions. [2023-11-21 22:11:16,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:11:16,537 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 49 transitions. [2023-11-21 22:11:16,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 49 transitions. [2023-11-21 22:11:16,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-11-21 22:11:16,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 38 states have internal predecessors, (49), 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) [2023-11-21 22:11:16,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 49 transitions. [2023-11-21 22:11:16,545 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 49 transitions. [2023-11-21 22:11:16,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:11:16,547 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 49 transitions. [2023-11-21 22:11:16,547 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-21 22:11:16,547 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 49 transitions. [2023-11-21 22:11:16,549 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 15 [2023-11-21 22:11:16,550 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:11:16,550 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:11:16,550 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:11:16,551 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 22:11:16,551 INFO L748 eck$LassoCheckResult]: Stem: 594#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 570#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 571#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 559#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 560#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 569#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 563#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 565#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 566#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 567#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 568#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 574#L510-4 [2023-11-21 22:11:16,551 INFO L750 eck$LassoCheckResult]: Loop: 574#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 575#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 583#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 574#L510-4 [2023-11-21 22:11:16,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:16,552 INFO L85 PathProgramCache]: Analyzing trace with hash -909922795, now seen corresponding path program 1 times [2023-11-21 22:11:16,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:16,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49240022] [2023-11-21 22:11:16,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:16,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:16,575 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:16,608 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:16,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:16,613 INFO L85 PathProgramCache]: Analyzing trace with hash 78610, now seen corresponding path program 2 times [2023-11-21 22:11:16,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:16,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726337276] [2023-11-21 22:11:16,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:16,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:16,620 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:16,624 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:16,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:16,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1971331970, now seen corresponding path program 1 times [2023-11-21 22:11:16,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:16,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721284077] [2023-11-21 22:11:16,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:16,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:16,650 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:16,684 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:17,750 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:11:17,750 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:11:17,750 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:11:17,750 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:11:17,750 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:11:17,750 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:17,750 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:11:17,750 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:11:17,750 INFO L133 ssoRankerPreferences]: Filename of dumped script: strstr.i_Iteration5_Lasso [2023-11-21 22:11:17,750 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:11:17,751 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:11:17,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,757 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,761 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,767 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,769 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,772 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,774 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,777 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,780 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,791 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,794 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,805 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,811 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,813 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,816 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,819 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,822 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,825 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,828 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,831 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,834 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,836 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,838 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,841 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:17,843 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:18,170 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:18,173 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:18,176 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:18,178 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:18,182 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:18,184 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:18,187 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:18,189 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:18,192 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:18,195 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:18,198 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:18,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:18,658 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:11:18,658 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:11:18,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:18,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:18,662 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:18,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-21 22:11:18,668 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 [2023-11-21 22:11:18,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:18,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:18,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:18,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:18,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:18,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:18,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:18,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:18,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:18,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:18,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:18,712 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:18,724 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 [2023-11-21 22:11:18,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:18,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:18,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:18,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:18,739 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:18,739 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:18,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-21 22:11:18,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:18,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:18,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:18,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:18,779 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:18,787 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 [2023-11-21 22:11:18,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:18,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:18,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:18,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:18,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:18,800 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:18,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:18,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-21 22:11:18,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:18,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:18,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:18,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:18,840 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:18,844 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 [2023-11-21 22:11:18,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:18,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:18,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:18,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:18,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-21 22:11:18,859 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:18,859 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:18,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:18,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-11-21 22:11:18,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:18,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:18,889 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:18,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-21 22:11:18,892 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 [2023-11-21 22:11:18,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:18,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:18,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:18,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:18,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:18,902 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:18,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:18,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:18,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:18,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:18,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:18,935 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:18,944 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 [2023-11-21 22:11:18,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:18,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:18,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:18,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:18,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:18,958 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:18,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:18,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-21 22:11:18,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:18,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:18,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:18,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:18,988 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:19,000 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 [2023-11-21 22:11:19,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-21 22:11:19,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:19,010 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:19,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:19,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:19,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:19,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:19,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:19,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:19,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-11-21 22:11:19,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:19,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:19,041 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:19,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:11:19,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:19,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:19,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:19,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:19,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:19,057 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:19,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:19,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-21 22:11:19,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:19,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:19,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:19,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:19,093 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:19,098 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 [2023-11-21 22:11:19,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:19,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:19,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:19,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:19,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-21 22:11:19,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:19,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:19,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:19,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:19,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:19,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:19,149 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:19,152 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 [2023-11-21 22:11:19,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:19,165 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:19,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:19,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:19,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:19,165 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:19,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:19,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-21 22:11:19,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:19,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:19,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:19,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:19,199 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:19,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:11:19,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:19,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:19,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:19,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:19,217 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:19,218 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:19,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-21 22:11:19,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:19,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:19,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:19,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:19,259 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:19,262 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 [2023-11-21 22:11:19,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-21 22:11:19,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:19,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:19,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:19,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:19,277 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:19,277 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:19,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:19,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:19,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:19,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:19,312 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:19,315 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 [2023-11-21 22:11:19,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:19,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:19,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:19,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:19,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:19,328 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:19,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:19,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-21 22:11:19,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:19,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:19,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:19,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:19,376 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:19,378 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 [2023-11-21 22:11:19,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:19,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:19,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:19,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:19,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-21 22:11:19,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:19,395 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:19,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:19,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:19,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:19,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:19,434 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:19,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:11:19,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:19,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:19,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:19,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:19,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:19,450 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:19,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:19,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-21 22:11:19,473 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:19,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:19,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:19,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:19,498 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:19,501 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 [2023-11-21 22:11:19,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:19,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:19,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:19,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:19,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:19,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:19,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:19,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-21 22:11:19,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:19,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:19,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:19,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:19,548 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:19,550 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 [2023-11-21 22:11:19,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-21 22:11:19,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:19,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:19,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:19,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:19,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:19,564 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:19,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:19,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:19,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:19,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:19,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:19,600 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:19,602 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 [2023-11-21 22:11:19,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-21 22:11:19,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:19,615 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:19,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:19,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:19,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:19,616 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:19,616 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:19,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:19,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:19,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:19,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:19,655 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:19,659 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 [2023-11-21 22:11:19,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:19,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:19,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:19,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:19,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:19,672 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:19,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:19,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-21 22:11:19,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:19,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:19,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:19,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:19,702 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:19,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:11:19,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:19,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:19,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:19,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:19,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:19,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:19,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:19,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-21 22:11:19,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:19,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:19,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:19,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:19,755 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:19,758 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 [2023-11-21 22:11:19,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:19,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:19,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:19,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:19,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-21 22:11:19,773 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:19,773 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:19,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:19,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:19,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:19,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:19,810 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:19,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-21 22:11:19,818 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 [2023-11-21 22:11:19,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:19,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:19,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:19,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:19,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:19,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:19,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:19,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:19,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:19,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:19,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:19,865 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:19,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-21 22:11:19,868 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 [2023-11-21 22:11:19,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:19,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:19,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:19,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:19,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:19,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:19,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:19,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:19,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2023-11-21 22:11:19,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:19,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:19,895 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:19,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-21 22:11:19,897 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 [2023-11-21 22:11:19,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:19,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:19,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:19,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:19,910 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:19,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:19,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:19,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:19,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:19,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:19,953 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:19,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-21 22:11:19,955 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 [2023-11-21 22:11:19,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:19,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:19,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:19,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:19,971 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:19,971 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:19,982 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:19,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:20,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:20,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:20,001 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:20,006 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 [2023-11-21 22:11:20,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:20,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:20,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:20,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:20,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:20,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:20,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:20,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-21 22:11:20,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:20,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:20,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:20,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:20,051 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:20,054 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 [2023-11-21 22:11:20,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:20,066 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:20,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:20,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:20,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:20,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:20,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:20,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-21 22:11:20,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:20,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:20,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:20,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:20,099 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:20,101 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 [2023-11-21 22:11:20,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:20,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:20,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:20,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:20,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:20,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:20,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:20,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-21 22:11:20,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:20,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:20,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:20,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:20,146 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:20,148 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 [2023-11-21 22:11:20,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:20,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:20,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:20,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:20,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:20,162 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:20,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:20,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-21 22:11:20,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:20,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:20,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:20,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:20,195 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:20,198 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 [2023-11-21 22:11:20,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:20,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:20,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:20,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:20,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:20,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:20,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:20,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-21 22:11:20,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:20,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:20,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:20,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:20,243 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:20,246 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 [2023-11-21 22:11:20,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-21 22:11:20,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:20,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:20,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:20,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:20,260 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:20,260 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:20,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:20,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:20,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:20,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:20,299 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:20,301 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 [2023-11-21 22:11:20,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:20,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:20,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:20,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:20,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-21 22:11:20,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:20,324 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:20,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:20,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:20,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:20,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:20,366 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:20,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:11:20,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:20,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:20,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:20,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:20,382 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:20,383 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:20,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-21 22:11:20,403 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:20,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:20,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:20,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:20,424 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:20,427 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 [2023-11-21 22:11:20,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:20,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:20,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:20,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:20,442 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:20,443 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:20,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-21 22:11:20,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:20,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:20,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:20,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:20,489 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:20,496 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 [2023-11-21 22:11:20,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:20,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:20,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:20,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:20,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:20,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:20,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-21 22:11:20,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:20,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:20,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:20,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:20,547 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:20,551 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 [2023-11-21 22:11:20,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:20,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:20,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:20,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:20,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-21 22:11:20,568 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:20,568 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:20,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:20,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:20,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:20,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:20,607 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:20,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:11:20,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:20,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:20,621 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-21 22:11:20,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:20,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-21 22:11:20,626 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-21 22:11:20,626 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-21 22:11:20,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:20,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:20,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:20,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:20,671 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:20,673 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 [2023-11-21 22:11:20,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:20,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:20,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:20,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:20,688 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:20,688 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:20,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-21 22:11:20,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:20,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:20,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:20,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:20,722 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:20,725 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 [2023-11-21 22:11:20,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:20,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:20,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:20,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:20,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-21 22:11:20,743 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:20,743 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:20,763 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:11:20,783 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-21 22:11:20,784 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-21 22:11:20,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:20,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:20,785 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:20,787 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:11:20,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-21 22:11:20,812 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:11:20,812 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:11:20,812 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_strlen_~s#1.base)_1, ULTIMATE.start_strlen_~s#1.offset) = 1*v_rep(select #length ULTIMATE.start_strlen_~s#1.base)_1 - 1*ULTIMATE.start_strlen_~s#1.offset Supporting invariants [] [2023-11-21 22:11:20,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-11-21 22:11:20,867 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2023-11-21 22:11:20,869 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~s!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-21 22:11:20,869 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~s!base] could not be translated [2023-11-21 22:11:20,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:20,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:11:20,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:11:20,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:20,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 22:11:20,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:11:20,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:11:20,961 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 [2023-11-21 22:11:20,961 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 49 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:11:20,987 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 49 transitions. cyclomatic complexity: 15. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 57 transitions. Complement of second has 5 states. [2023-11-21 22:11:20,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-21 22:11:20,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:11:20,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2023-11-21 22:11:20,990 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 11 letters. Loop has 3 letters. [2023-11-21 22:11:20,991 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:11:20,991 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 14 letters. Loop has 3 letters. [2023-11-21 22:11:20,991 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:11:20,992 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 11 letters. Loop has 6 letters. [2023-11-21 22:11:20,992 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:11:20,992 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 57 transitions. [2023-11-21 22:11:20,994 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2023-11-21 22:11:20,997 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 41 states and 52 transitions. [2023-11-21 22:11:20,998 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2023-11-21 22:11:20,998 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2023-11-21 22:11:20,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 52 transitions. [2023-11-21 22:11:20,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:11:20,999 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 52 transitions. [2023-11-21 22:11:20,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 52 transitions. [2023-11-21 22:11:21,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2023-11-21 22:11:21,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.275) internal successors, (51), 39 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:11:21,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 51 transitions. [2023-11-21 22:11:21,006 INFO L240 hiAutomatonCegarLoop]: Abstraction has 40 states and 51 transitions. [2023-11-21 22:11:21,006 INFO L428 stractBuchiCegarLoop]: Abstraction has 40 states and 51 transitions. [2023-11-21 22:11:21,006 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-21 22:11:21,006 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 51 transitions. [2023-11-21 22:11:21,012 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2023-11-21 22:11:21,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:11:21,012 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:11:21,013 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:11:21,013 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 22:11:21,014 INFO L748 eck$LassoCheckResult]: Stem: 782#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 758#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 759#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 745#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 746#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 755#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 749#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 750#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 754#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 760#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 761#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 780#L510-5 strlen_#res#1 := strlen_~i~0#1; 778#strlen_returnLabel#1 strstr_#t~ret11#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 772#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 765#L510-10 [2023-11-21 22:11:21,014 INFO L750 eck$LassoCheckResult]: Loop: 765#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 766#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 768#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 765#L510-10 [2023-11-21 22:11:21,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:21,014 INFO L85 PathProgramCache]: Analyzing trace with hash -1526227897, now seen corresponding path program 1 times [2023-11-21 22:11:21,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:21,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386556006] [2023-11-21 22:11:21,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:21,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:21,031 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:21,049 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:21,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:21,053 INFO L85 PathProgramCache]: Analyzing trace with hash 100456, now seen corresponding path program 2 times [2023-11-21 22:11:21,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:21,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031339504] [2023-11-21 22:11:21,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:21,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:21,057 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:21,063 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:21,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:21,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1331413406, now seen corresponding path program 1 times [2023-11-21 22:11:21,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:21,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395543763] [2023-11-21 22:11:21,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:21,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:21,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:21,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:11:21,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:11:21,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395543763] [2023-11-21 22:11:21,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395543763] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:11:21,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:11:21,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-21 22:11:21,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914016226] [2023-11-21 22:11:21,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:11:21,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:11:21,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-21 22:11:21,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-21 22:11:21,451 INFO L87 Difference]: Start difference. First operand 40 states and 51 transitions. cyclomatic complexity: 16 Second operand has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 9 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) [2023-11-21 22:11:21,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:11:21,668 INFO L93 Difference]: Finished difference Result 82 states and 104 transitions. [2023-11-21 22:11:21,669 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 82 states and 104 transitions. [2023-11-21 22:11:21,670 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 24 [2023-11-21 22:11:21,671 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 82 states to 82 states and 104 transitions. [2023-11-21 22:11:21,671 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 69 [2023-11-21 22:11:21,671 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 69 [2023-11-21 22:11:21,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 82 states and 104 transitions. [2023-11-21 22:11:21,671 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:11:21,671 INFO L218 hiAutomatonCegarLoop]: Abstraction has 82 states and 104 transitions. [2023-11-21 22:11:21,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states and 104 transitions. [2023-11-21 22:11:21,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 60. [2023-11-21 22:11:21,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 59 states have internal predecessors, (76), 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) [2023-11-21 22:11:21,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 76 transitions. [2023-11-21 22:11:21,676 INFO L240 hiAutomatonCegarLoop]: Abstraction has 60 states and 76 transitions. [2023-11-21 22:11:21,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 22:11:21,677 INFO L428 stractBuchiCegarLoop]: Abstraction has 60 states and 76 transitions. [2023-11-21 22:11:21,678 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-21 22:11:21,678 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states and 76 transitions. [2023-11-21 22:11:21,678 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2023-11-21 22:11:21,678 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:11:21,679 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:11:21,679 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:11:21,679 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 22:11:21,680 INFO L748 eck$LassoCheckResult]: Stem: 931#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 903#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 904#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 891#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet22#1;call write~int#0(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 893#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 894#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 895#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 902#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 896#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 897#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 901#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 907#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 908#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 928#L510-5 strlen_#res#1 := strlen_~i~0#1; 936#strlen_returnLabel#1 strstr_#t~ret11#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 935#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 927#L510-10 [2023-11-21 22:11:21,680 INFO L750 eck$LassoCheckResult]: Loop: 927#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 934#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 926#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 927#L510-10 [2023-11-21 22:11:21,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:21,680 INFO L85 PathProgramCache]: Analyzing trace with hash -432721371, now seen corresponding path program 1 times [2023-11-21 22:11:21,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:21,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923124825] [2023-11-21 22:11:21,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:21,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:21,696 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:21,708 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:21,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:21,709 INFO L85 PathProgramCache]: Analyzing trace with hash 100456, now seen corresponding path program 3 times [2023-11-21 22:11:21,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:21,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762725787] [2023-11-21 22:11:21,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:21,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:21,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:21,715 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:21,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:21,716 INFO L85 PathProgramCache]: Analyzing trace with hash -2005437500, now seen corresponding path program 1 times [2023-11-21 22:11:21,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:21,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575640389] [2023-11-21 22:11:21,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:21,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:21,731 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:21,746 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:21,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:23,287 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:11:23,287 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:11:23,287 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:11:23,287 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:11:23,287 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:11:23,287 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:23,288 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:11:23,288 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:11:23,288 INFO L133 ssoRankerPreferences]: Filename of dumped script: strstr.i_Iteration7_Lasso [2023-11-21 22:11:23,288 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:11:23,288 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:11:23,291 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,296 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,298 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,852 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,855 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,861 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,863 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,865 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,867 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,869 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,871 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,875 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,877 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,879 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,883 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,885 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,892 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,894 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,897 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,899 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,901 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,904 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,906 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,908 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,910 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,912 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,915 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,921 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,923 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,925 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,927 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,929 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:23,931 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:24,461 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:11:24,461 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:11:24,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:24,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:24,463 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:24,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-21 22:11:24,470 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 [2023-11-21 22:11:24,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:24,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:24,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:24,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:24,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:24,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:24,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:24,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:24,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2023-11-21 22:11:24,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:24,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:24,494 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:24,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-21 22:11:24,496 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 [2023-11-21 22:11:24,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:24,505 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:24,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:24,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:24,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:24,506 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:24,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:24,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:24,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:24,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:24,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:24,519 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:24,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-21 22:11:24,521 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 [2023-11-21 22:11:24,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:24,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:24,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:24,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:24,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:24,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:24,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:24,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:24,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:24,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:24,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:24,577 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:24,580 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 [2023-11-21 22:11:24,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:24,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:24,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:24,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:24,596 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:24,596 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:24,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-21 22:11:24,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:24,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2023-11-21 22:11:24,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:24,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:24,626 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:24,631 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 [2023-11-21 22:11:24,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:24,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:24,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:24,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:24,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-21 22:11:24,647 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:24,648 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:24,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:24,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:24,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:24,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:24,691 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:24,695 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 [2023-11-21 22:11:24,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:24,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:24,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:24,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:24,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-21 22:11:24,726 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:24,727 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:24,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:24,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:24,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:24,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:24,791 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:24,800 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 [2023-11-21 22:11:24,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:24,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:24,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:24,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:24,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-21 22:11:24,814 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:24,814 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:24,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:24,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:24,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:24,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:24,832 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:24,835 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 [2023-11-21 22:11:24,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-21 22:11:24,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:24,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:24,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:24,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:24,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:24,847 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:24,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:24,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2023-11-21 22:11:24,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:24,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:24,863 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:24,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-11-21 22:11:24,864 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 [2023-11-21 22:11:24,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:24,874 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:24,874 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:24,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:24,876 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:24,876 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:24,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:24,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:24,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:24,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:24,892 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:24,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-11-21 22:11:24,894 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 [2023-11-21 22:11:24,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:24,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:24,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:24,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:24,905 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:24,905 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:24,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:24,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:24,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:24,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:24,950 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:24,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2023-11-21 22:11:24,958 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 [2023-11-21 22:11:24,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:24,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:24,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:24,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:24,969 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:24,970 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:24,981 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:25,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:25,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:25,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:25,001 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:25,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2023-11-21 22:11:25,004 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 [2023-11-21 22:11:25,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:25,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:25,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:25,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:25,020 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:25,020 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:25,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:25,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:25,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:25,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:25,061 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:25,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2023-11-21 22:11:25,063 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 [2023-11-21 22:11:25,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:25,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:25,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:25,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:25,074 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:25,074 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:25,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:25,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2023-11-21 22:11:25,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:25,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:25,099 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:25,103 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 [2023-11-21 22:11:25,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:25,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:25,116 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-21 22:11:25,116 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:25,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2023-11-21 22:11:25,120 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-21 22:11:25,120 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-21 22:11:25,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:25,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2023-11-21 22:11:25,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:25,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:25,145 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:25,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2023-11-21 22:11:25,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:11:25,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:25,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:25,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:25,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:25,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:25,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:25,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:25,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2023-11-21 22:11:25,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:25,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:25,188 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:25,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2023-11-21 22:11:25,190 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 [2023-11-21 22:11:25,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:25,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:25,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:25,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:25,202 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:25,202 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:25,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:25,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2023-11-21 22:11:25,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:25,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:25,218 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:25,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2023-11-21 22:11:25,219 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 [2023-11-21 22:11:25,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:25,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:25,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:25,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:25,231 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:25,231 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:25,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:25,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:25,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:25,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:25,246 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:25,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2023-11-21 22:11:25,248 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 [2023-11-21 22:11:25,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:25,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:25,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:25,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:25,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:25,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:25,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:25,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2023-11-21 22:11:25,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:25,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:25,290 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:25,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2023-11-21 22:11:25,292 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 [2023-11-21 22:11:25,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:25,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:25,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:25,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:25,308 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:25,308 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:25,318 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:11:25,336 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2023-11-21 22:11:25,336 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-21 22:11:25,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:25,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:25,339 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:25,347 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:11:25,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2023-11-21 22:11:25,360 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:11:25,360 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:11:25,361 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~hay~0#1.base)_3, ULTIMATE.start_strlen_~s#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~hay~0#1.base)_3 - 1*ULTIMATE.start_strlen_~s#1.offset Supporting invariants [] [2023-11-21 22:11:25,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2023-11-21 22:11:25,452 INFO L156 tatePredicateManager]: 19 out of 21 supporting invariants were superfluous and have been removed [2023-11-21 22:11:25,458 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~hay~0!base] could not be translated [2023-11-21 22:11:25,458 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~s!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-21 22:11:25,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:25,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 22:11:25,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:11:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:25,644 WARN L260 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 22:11:25,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:11:25,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:11:25,686 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2023-11-21 22:11:25,686 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 60 states and 76 transitions. cyclomatic complexity: 23 Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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) [2023-11-21 22:11:25,790 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 60 states and 76 transitions. cyclomatic complexity: 23. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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) Result 78 states and 99 transitions. Complement of second has 8 states. [2023-11-21 22:11:25,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-21 22:11:25,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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) [2023-11-21 22:11:25,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 41 transitions. [2023-11-21 22:11:25,794 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 41 transitions. Stem has 16 letters. Loop has 3 letters. [2023-11-21 22:11:25,794 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:11:25,794 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 41 transitions. Stem has 19 letters. Loop has 3 letters. [2023-11-21 22:11:25,795 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:11:25,795 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 41 transitions. Stem has 16 letters. Loop has 6 letters. [2023-11-21 22:11:25,795 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:11:25,795 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 99 transitions. [2023-11-21 22:11:25,796 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 18 [2023-11-21 22:11:25,797 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 74 states and 94 transitions. [2023-11-21 22:11:25,798 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2023-11-21 22:11:25,799 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2023-11-21 22:11:25,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 74 states and 94 transitions. [2023-11-21 22:11:25,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:11:25,799 INFO L218 hiAutomatonCegarLoop]: Abstraction has 74 states and 94 transitions. [2023-11-21 22:11:25,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states and 94 transitions. [2023-11-21 22:11:25,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 61. [2023-11-21 22:11:25,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.278688524590164) internal successors, (78), 60 states have internal predecessors, (78), 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) [2023-11-21 22:11:25,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 78 transitions. [2023-11-21 22:11:25,814 INFO L240 hiAutomatonCegarLoop]: Abstraction has 61 states and 78 transitions. [2023-11-21 22:11:25,815 INFO L428 stractBuchiCegarLoop]: Abstraction has 61 states and 78 transitions. [2023-11-21 22:11:25,815 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-21 22:11:25,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states and 78 transitions. [2023-11-21 22:11:25,815 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2023-11-21 22:11:25,816 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:11:25,816 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:11:25,817 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:11:25,817 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-21 22:11:25,818 INFO L748 eck$LassoCheckResult]: Stem: 1248#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1219#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 1220#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 1204#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 1205#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 1216#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 1260#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 1259#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 1237#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 1238#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 1245#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 1246#L510-5 strlen_#res#1 := strlen_~i~0#1; 1243#strlen_returnLabel#1 strstr_#t~ret11#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 1235#L509-2 assume strlen_~s#1.base == 0 && strlen_~s#1.offset == 0;strlen_#res#1 := 0; 1236#strlen_returnLabel#2 strstr_#t~ret12#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 1225#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 1217#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 1218#L532-3 [2023-11-21 22:11:25,824 INFO L750 eck$LassoCheckResult]: Loop: 1218#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 1244#L533 assume !strstr_#t~short17#1; 1241#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 1242#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 1218#L532-3 [2023-11-21 22:11:25,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:25,825 INFO L85 PathProgramCache]: Analyzing trace with hash -1331460076, now seen corresponding path program 1 times [2023-11-21 22:11:25,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:25,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944410932] [2023-11-21 22:11:25,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:25,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:25,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:11:25,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:11:25,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944410932] [2023-11-21 22:11:25,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944410932] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:11:25,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:11:25,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:11:25,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695172696] [2023-11-21 22:11:25,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:11:25,884 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 22:11:25,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:25,885 INFO L85 PathProgramCache]: Analyzing trace with hash 4089565, now seen corresponding path program 1 times [2023-11-21 22:11:25,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:25,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094906093] [2023-11-21 22:11:25,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:25,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:25,890 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:25,893 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:26,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:11:26,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 22:11:26,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:11:26,030 INFO L87 Difference]: Start difference. First operand 61 states and 78 transitions. cyclomatic complexity: 24 Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 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) [2023-11-21 22:11:26,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:11:26,073 INFO L93 Difference]: Finished difference Result 61 states and 76 transitions. [2023-11-21 22:11:26,073 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 76 transitions. [2023-11-21 22:11:26,074 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2023-11-21 22:11:26,075 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 61 states and 76 transitions. [2023-11-21 22:11:26,075 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 46 [2023-11-21 22:11:26,075 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2023-11-21 22:11:26,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 76 transitions. [2023-11-21 22:11:26,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:11:26,075 INFO L218 hiAutomatonCegarLoop]: Abstraction has 61 states and 76 transitions. [2023-11-21 22:11:26,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 76 transitions. [2023-11-21 22:11:26,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-21 22:11:26,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.2459016393442623) internal successors, (76), 60 states have internal predecessors, (76), 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) [2023-11-21 22:11:26,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 76 transitions. [2023-11-21 22:11:26,078 INFO L240 hiAutomatonCegarLoop]: Abstraction has 61 states and 76 transitions. [2023-11-21 22:11:26,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:11:26,080 INFO L428 stractBuchiCegarLoop]: Abstraction has 61 states and 76 transitions. [2023-11-21 22:11:26,080 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-21 22:11:26,080 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states and 76 transitions. [2023-11-21 22:11:26,081 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2023-11-21 22:11:26,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:11:26,081 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:11:26,082 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:11:26,082 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-21 22:11:26,082 INFO L748 eck$LassoCheckResult]: Stem: 1379#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1352#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 1353#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 1338#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 1339#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 1349#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 1380#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 1396#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 1398#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 1387#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 1384#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 1383#L510-5 strlen_#res#1 := strlen_~i~0#1; 1382#strlen_returnLabel#1 strstr_#t~ret11#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 1381#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 1359#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 1360#L510-7 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 1363#L510-11 strlen_#res#1 := strlen_~i~0#1; 1370#strlen_returnLabel#2 strstr_#t~ret12#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 1358#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 1350#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 1351#L532-3 [2023-11-21 22:11:26,082 INFO L750 eck$LassoCheckResult]: Loop: 1351#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 1376#L533 assume !strstr_#t~short17#1; 1373#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 1374#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 1351#L532-3 [2023-11-21 22:11:26,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:26,083 INFO L85 PathProgramCache]: Analyzing trace with hash -115443887, now seen corresponding path program 1 times [2023-11-21 22:11:26,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:26,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490005732] [2023-11-21 22:11:26,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:26,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:26,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:11:26,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:11:26,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490005732] [2023-11-21 22:11:26,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490005732] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:11:26,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:11:26,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-21 22:11:26,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837535054] [2023-11-21 22:11:26,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:11:26,161 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 22:11:26,162 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:26,162 INFO L85 PathProgramCache]: Analyzing trace with hash 4089565, now seen corresponding path program 2 times [2023-11-21 22:11:26,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:26,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999514187] [2023-11-21 22:11:26,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:26,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:26,167 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:26,171 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:26,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:26,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:11:26,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 22:11:26,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:11:26,332 INFO L87 Difference]: Start difference. First operand 61 states and 76 transitions. cyclomatic complexity: 22 Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 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) [2023-11-21 22:11:26,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:11:26,393 INFO L93 Difference]: Finished difference Result 100 states and 118 transitions. [2023-11-21 22:11:26,393 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 100 states and 118 transitions. [2023-11-21 22:11:26,394 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 18 [2023-11-21 22:11:26,394 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 100 states to 72 states and 86 transitions. [2023-11-21 22:11:26,395 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 54 [2023-11-21 22:11:26,395 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 54 [2023-11-21 22:11:26,395 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 86 transitions. [2023-11-21 22:11:26,395 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:11:26,395 INFO L218 hiAutomatonCegarLoop]: Abstraction has 72 states and 86 transitions. [2023-11-21 22:11:26,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 86 transitions. [2023-11-21 22:11:26,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 55. [2023-11-21 22:11:26,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.2) internal successors, (66), 54 states have internal predecessors, (66), 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) [2023-11-21 22:11:26,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 66 transitions. [2023-11-21 22:11:26,398 INFO L240 hiAutomatonCegarLoop]: Abstraction has 55 states and 66 transitions. [2023-11-21 22:11:26,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 22:11:26,402 INFO L428 stractBuchiCegarLoop]: Abstraction has 55 states and 66 transitions. [2023-11-21 22:11:26,403 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-21 22:11:26,403 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 55 states and 66 transitions. [2023-11-21 22:11:26,403 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2023-11-21 22:11:26,403 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:11:26,403 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:11:26,404 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:11:26,404 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-21 22:11:26,404 INFO L748 eck$LassoCheckResult]: Stem: 1561#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1527#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 1528#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 1515#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 1516#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 1526#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 1520#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 1521#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 1567#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 1566#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 1548#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 1531#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 1532#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 1559#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 1564#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 1557#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 1558#L510-5 strlen_#res#1 := strlen_~i~0#1; 1554#strlen_returnLabel#1 strstr_#t~ret11#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 1555#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 1537#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 1538#L510-7 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 1541#L510-11 strlen_#res#1 := strlen_~i~0#1; 1549#strlen_returnLabel#2 strstr_#t~ret12#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 1536#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 1529#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 1530#L532-3 [2023-11-21 22:11:26,404 INFO L750 eck$LassoCheckResult]: Loop: 1530#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 1556#L533 assume !strstr_#t~short17#1; 1552#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 1553#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 1530#L532-3 [2023-11-21 22:11:26,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:26,405 INFO L85 PathProgramCache]: Analyzing trace with hash 278203018, now seen corresponding path program 1 times [2023-11-21 22:11:26,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:26,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733571998] [2023-11-21 22:11:26,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:26,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:26,729 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 22:11:26,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:11:26,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733571998] [2023-11-21 22:11:26,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733571998] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:11:26,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378030582] [2023-11-21 22:11:26,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:26,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:11:26,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:26,732 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:11:26,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Waiting until timeout for monitored process [2023-11-21 22:11:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:26,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 22:11:26,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:11:26,877 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 22:11:26,878 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:11:26,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378030582] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:11:26,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 22:11:26,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2023-11-21 22:11:26,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048276355] [2023-11-21 22:11:26,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:11:26,879 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 22:11:26,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:26,879 INFO L85 PathProgramCache]: Analyzing trace with hash 4089565, now seen corresponding path program 3 times [2023-11-21 22:11:26,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:26,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60679972] [2023-11-21 22:11:26,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:26,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:26,884 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:26,888 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:27,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:11:27,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-21 22:11:27,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-11-21 22:11:27,025 INFO L87 Difference]: Start difference. First operand 55 states and 66 transitions. cyclomatic complexity: 18 Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:11:27,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:11:27,078 INFO L93 Difference]: Finished difference Result 63 states and 73 transitions. [2023-11-21 22:11:27,079 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 73 transitions. [2023-11-21 22:11:27,079 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2023-11-21 22:11:27,080 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 41 states and 48 transitions. [2023-11-21 22:11:27,080 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2023-11-21 22:11:27,080 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2023-11-21 22:11:27,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 48 transitions. [2023-11-21 22:11:27,080 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:11:27,080 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 48 transitions. [2023-11-21 22:11:27,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 48 transitions. [2023-11-21 22:11:27,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2023-11-21 22:11:27,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.1794871794871795) internal successors, (46), 38 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:11:27,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2023-11-21 22:11:27,082 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 46 transitions. [2023-11-21 22:11:27,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:11:27,083 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 46 transitions. [2023-11-21 22:11:27,083 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-21 22:11:27,084 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 46 transitions. [2023-11-21 22:11:27,084 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2023-11-21 22:11:27,084 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:11:27,084 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:11:27,085 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:11:27,085 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-21 22:11:27,086 INFO L748 eck$LassoCheckResult]: Stem: 1765#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1739#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 1740#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 1727#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet22#1;call write~int#0(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 1728#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1729#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 1730#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 1736#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 1731#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 1732#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 1733#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 1734#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 1735#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 1741#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 1742#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 1754#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 1743#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 1744#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 1763#L510-5 strlen_#res#1 := strlen_~i~0#1; 1761#strlen_returnLabel#1 strstr_#t~ret11#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 1755#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 1746#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 1747#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 1751#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 1748#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 1749#L510-7 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 1750#L510-11 strlen_#res#1 := strlen_~i~0#1; 1756#strlen_returnLabel#2 strstr_#t~ret12#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 1745#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 1737#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 1738#L532-3 [2023-11-21 22:11:27,086 INFO L750 eck$LassoCheckResult]: Loop: 1738#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 1762#L533 assume !strstr_#t~short17#1; 1759#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 1760#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 1738#L532-3 [2023-11-21 22:11:27,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:27,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1690519729, now seen corresponding path program 1 times [2023-11-21 22:11:27,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:27,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501010216] [2023-11-21 22:11:27,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:27,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:27,107 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:27,128 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:27,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:27,129 INFO L85 PathProgramCache]: Analyzing trace with hash 4089565, now seen corresponding path program 4 times [2023-11-21 22:11:27,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:27,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445803294] [2023-11-21 22:11:27,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:27,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:27,133 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:27,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:27,138 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:27,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1271781261, now seen corresponding path program 1 times [2023-11-21 22:11:27,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:27,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445018349] [2023-11-21 22:11:27,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:27,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:27,164 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:27,188 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:30,589 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:11:30,589 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:11:30,589 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:11:30,589 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:11:30,589 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:11:30,589 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:30,589 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:11:30,589 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:11:30,589 INFO L133 ssoRankerPreferences]: Filename of dumped script: strstr.i_Iteration11_Lasso [2023-11-21 22:11:30,589 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:11:30,589 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:11:30,592 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:30,595 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:30,598 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:30,600 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:30,603 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:30,605 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:30,608 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:30,610 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:30,613 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:30,618 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:30,620 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:30,624 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:30,626 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:30,628 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:30,630 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:30,632 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:30,634 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:30,635 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:30,637 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:30,640 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:30,643 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:30,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:30,650 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:31,337 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:31,341 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:31,343 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:31,347 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:31,351 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:31,353 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:31,361 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:31,363 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:31,366 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:31,368 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:31,371 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:31,373 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:31,376 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:31,378 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:31,380 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:31,383 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:31,970 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:11:31,970 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:11:31,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:31,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:31,972 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:31,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2023-11-21 22:11:31,981 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 [2023-11-21 22:11:31,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:31,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:31,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:31,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:31,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:31,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:31,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:31,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:32,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2023-11-21 22:11:32,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:32,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:32,006 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:32,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2023-11-21 22:11:32,007 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 [2023-11-21 22:11:32,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:32,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:32,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:32,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:32,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:32,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:32,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:32,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:32,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:32,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:32,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:32,033 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:32,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2023-11-21 22:11:32,035 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 [2023-11-21 22:11:32,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:32,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:32,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:32,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:32,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:32,045 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:32,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:32,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:32,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2023-11-21 22:11:32,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:32,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:32,058 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:32,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2023-11-21 22:11:32,059 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 [2023-11-21 22:11:32,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:32,069 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:32,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:32,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:32,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:32,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:32,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:32,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:32,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2023-11-21 22:11:32,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:32,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:32,083 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:32,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2023-11-21 22:11:32,085 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 [2023-11-21 22:11:32,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:32,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:32,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:32,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:32,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:32,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:32,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:32,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:32,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2023-11-21 22:11:32,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:32,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:32,109 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:32,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2023-11-21 22:11:32,112 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 [2023-11-21 22:11:32,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:32,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:32,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:32,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:32,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:32,122 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:32,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:32,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:32,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2023-11-21 22:11:32,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:32,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:32,137 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:32,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2023-11-21 22:11:32,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:11:32,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:32,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:32,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:32,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:32,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:32,150 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:32,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:32,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:32,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2023-11-21 22:11:32,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:32,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:32,163 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:32,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2023-11-21 22:11:32,165 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 [2023-11-21 22:11:32,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:32,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:32,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:32,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:32,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:32,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:32,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:32,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:32,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2023-11-21 22:11:32,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:32,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:32,192 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:32,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2023-11-21 22:11:32,193 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 [2023-11-21 22:11:32,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:32,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:32,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:32,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:32,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:32,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:32,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:32,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:32,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:32,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:32,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:32,224 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:32,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2023-11-21 22:11:32,230 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 [2023-11-21 22:11:32,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:32,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:32,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:32,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:32,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:32,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:32,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:32,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:32,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:32,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:32,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:32,254 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:32,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2023-11-21 22:11:32,256 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 [2023-11-21 22:11:32,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:32,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:32,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:32,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:32,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:32,266 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:32,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:32,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:32,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:32,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:32,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:32,403 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:32,445 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 [2023-11-21 22:11:32,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2023-11-21 22:11:32,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:32,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:32,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:32,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:32,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:32,464 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:32,464 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:32,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:32,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:32,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:32,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:32,477 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:32,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2023-11-21 22:11:32,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:11:32,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:32,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:32,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:32,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:32,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:32,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:32,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:32,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:32,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:32,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:32,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:32,503 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:32,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2023-11-21 22:11:32,504 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 [2023-11-21 22:11:32,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:32,514 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:32,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:32,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:32,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:32,515 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:32,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:32,516 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:32,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:32,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:32,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:32,530 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:32,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2023-11-21 22:11:32,531 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 [2023-11-21 22:11:32,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:32,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:32,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:32,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:32,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:32,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:32,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:32,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:32,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:32,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:32,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:32,555 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:32,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2023-11-21 22:11:32,556 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 [2023-11-21 22:11:32,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:32,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:32,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:32,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:32,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:32,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:32,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:32,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:32,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:32,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:32,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:32,583 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:32,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2023-11-21 22:11:32,588 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 [2023-11-21 22:11:32,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:32,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:32,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:32,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:32,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:32,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:32,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:32,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:32,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:32,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:32,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:32,612 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:32,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2023-11-21 22:11:32,613 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 [2023-11-21 22:11:32,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:32,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:32,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:32,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:32,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:32,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:32,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:32,625 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:32,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:32,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:32,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:32,637 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:32,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2023-11-21 22:11:32,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:11:32,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:32,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:32,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:32,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:32,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:32,650 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:32,650 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:32,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:32,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:32,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:32,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:32,663 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:32,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2023-11-21 22:11:32,665 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 [2023-11-21 22:11:32,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:32,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:32,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:32,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:32,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:32,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:32,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:32,676 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:32,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:32,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:32,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:32,689 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:32,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2023-11-21 22:11:32,690 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 [2023-11-21 22:11:32,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:32,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:32,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:32,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:32,701 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:32,702 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:32,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:32,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:32,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:32,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:32,735 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:32,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2023-11-21 22:11:32,736 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 [2023-11-21 22:11:32,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:32,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:32,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:32,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:32,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:32,751 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:32,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:32,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:32,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:32,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:32,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:32,766 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:32,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2023-11-21 22:11:32,768 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 [2023-11-21 22:11:32,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:32,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:32,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:32,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:32,780 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:32,780 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:32,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:32,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:32,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:32,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:32,796 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:32,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2023-11-21 22:11:32,799 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 [2023-11-21 22:11:32,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:32,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:32,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:32,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:32,818 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:32,818 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:32,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:32,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:32,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:32,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:32,839 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:32,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2023-11-21 22:11:32,840 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 [2023-11-21 22:11:32,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:32,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:32,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:32,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:32,852 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:32,853 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:32,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:32,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2023-11-21 22:11:32,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:32,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:32,889 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:32,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2023-11-21 22:11:32,890 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 [2023-11-21 22:11:32,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:32,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:32,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:32,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:32,903 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:32,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:32,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:32,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:32,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:32,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:32,951 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:32,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2023-11-21 22:11:32,952 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 [2023-11-21 22:11:32,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:32,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:32,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:32,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:32,963 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:32,963 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:32,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:32,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:32,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:32,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:32,979 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:32,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2023-11-21 22:11:32,980 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 [2023-11-21 22:11:32,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:32,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:32,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:32,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:32,994 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:32,994 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:33,002 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:11:33,023 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2023-11-21 22:11:33,023 INFO L444 ModelExtractionUtils]: 2 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. [2023-11-21 22:11:33,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:33,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:33,025 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:33,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2023-11-21 22:11:33,027 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:11:33,037 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:11:33,037 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:11:33,037 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc20#1.base)_5, ULTIMATE.start_strstr_~haystack#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc20#1.base)_5 - 1*ULTIMATE.start_strstr_~haystack#1.offset Supporting invariants [] [2023-11-21 22:11:33,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:33,167 INFO L156 tatePredicateManager]: 26 out of 27 supporting invariants were superfluous and have been removed [2023-11-21 22:11:33,169 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~haystack!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-21 22:11:33,169 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc20!base] could not be translated [2023-11-21 22:11:33,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:33,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 22:11:33,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:11:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:33,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 22:11:33,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:11:33,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:11:33,428 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2023-11-21 22:11:33,428 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 46 transitions. cyclomatic complexity: 12 Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:11:33,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2023-11-21 22:11:33,543 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 46 transitions. cyclomatic complexity: 12. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 49 states and 61 transitions. Complement of second has 8 states. [2023-11-21 22:11:33,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-21 22:11:33,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:11:33,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 41 transitions. [2023-11-21 22:11:33,544 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 41 transitions. Stem has 30 letters. Loop has 4 letters. [2023-11-21 22:11:33,545 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:11:33,545 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 41 transitions. Stem has 34 letters. Loop has 4 letters. [2023-11-21 22:11:33,545 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:11:33,546 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 41 transitions. Stem has 30 letters. Loop has 8 letters. [2023-11-21 22:11:33,546 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:11:33,546 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 61 transitions. [2023-11-21 22:11:33,547 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 22:11:33,548 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 46 states and 55 transitions. [2023-11-21 22:11:33,548 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2023-11-21 22:11:33,548 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2023-11-21 22:11:33,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 55 transitions. [2023-11-21 22:11:33,548 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:11:33,548 INFO L218 hiAutomatonCegarLoop]: Abstraction has 46 states and 55 transitions. [2023-11-21 22:11:33,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 55 transitions. [2023-11-21 22:11:33,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2023-11-21 22:11:33,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.2) internal successors, (54), 44 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:11:33,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2023-11-21 22:11:33,551 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 54 transitions. [2023-11-21 22:11:33,551 INFO L428 stractBuchiCegarLoop]: Abstraction has 45 states and 54 transitions. [2023-11-21 22:11:33,551 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2023-11-21 22:11:33,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 54 transitions. [2023-11-21 22:11:33,551 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 22:11:33,552 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:11:33,552 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:11:33,553 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:11:33,553 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 22:11:33,553 INFO L748 eck$LassoCheckResult]: Stem: 2101#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2069#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 2070#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 2059#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet22#1;call write~int#0(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 2060#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2061#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 2062#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 2068#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 2063#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 2064#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 2065#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 2066#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 2067#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 2073#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 2074#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 2086#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 2075#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 2076#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 2100#L510-5 strlen_#res#1 := strlen_~i~0#1; 2097#strlen_returnLabel#1 strstr_#t~ret11#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 2087#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 2078#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 2079#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 2085#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 2080#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 2081#L510-7 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 2084#L510-11 strlen_#res#1 := strlen_~i~0#1; 2088#strlen_returnLabel#2 strstr_#t~ret12#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 2077#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 2071#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 2072#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 2098#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 2090#L518-3 [2023-11-21 22:11:33,554 INFO L750 eck$LassoCheckResult]: Loop: 2090#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 2102#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 2089#L519 assume !(0 != memcmp_~r~0#1);havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;havoc memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset;memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;havoc memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset; 2090#L518-3 [2023-11-21 22:11:33,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:33,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1091824948, now seen corresponding path program 1 times [2023-11-21 22:11:33,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:33,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841391553] [2023-11-21 22:11:33,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:33,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:33,577 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:33,599 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:33,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:33,600 INFO L85 PathProgramCache]: Analyzing trace with hash 139186, now seen corresponding path program 1 times [2023-11-21 22:11:33,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:33,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606592821] [2023-11-21 22:11:33,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:33,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:33,606 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:33,611 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:33,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:33,612 INFO L85 PathProgramCache]: Analyzing trace with hash 769802655, now seen corresponding path program 1 times [2023-11-21 22:11:33,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:33,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033973828] [2023-11-21 22:11:33,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:33,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:33,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:33,642 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:33,669 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:37,999 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:11:37,999 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:11:37,999 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:11:37,999 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:11:37,999 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:11:37,999 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:37,999 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:11:37,999 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:11:37,999 INFO L133 ssoRankerPreferences]: Filename of dumped script: strstr.i_Iteration12_Lasso [2023-11-21 22:11:38,000 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:11:38,000 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:11:38,004 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,016 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,019 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,020 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,022 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,024 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,026 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,027 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,029 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,031 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,035 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,037 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,039 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,040 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,042 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,051 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,054 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,057 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,059 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,060 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,063 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,067 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,069 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,071 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,073 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,075 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,077 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,080 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,084 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,087 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,090 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,093 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,096 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,098 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,101 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:38,105 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:39,413 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:39,424 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:39,427 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:39,428 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:39,433 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:39,435 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:39,437 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:39,444 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:39,451 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:39,454 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:39,456 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:39,460 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:39,462 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:39,465 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:39,467 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:39,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:11:40,492 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:11:40,492 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:11:40,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:40,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:40,493 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:40,500 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 [2023-11-21 22:11:40,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:40,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:40,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:40,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:40,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:40,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:40,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:40,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2023-11-21 22:11:40,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:40,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2023-11-21 22:11:40,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:40,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:40,548 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:40,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2023-11-21 22:11:40,549 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 [2023-11-21 22:11:40,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:40,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:40,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:40,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:40,560 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:40,560 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:40,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:40,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:40,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:40,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:40,577 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:40,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2023-11-21 22:11:40,579 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 [2023-11-21 22:11:40,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:40,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:40,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:40,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:40,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:40,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:40,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:40,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:40,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:40,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:40,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:40,603 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:40,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2023-11-21 22:11:40,604 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 [2023-11-21 22:11:40,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:40,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:40,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:40,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:40,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:40,614 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:40,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:40,616 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:40,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:40,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:40,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:40,628 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:40,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2023-11-21 22:11:40,629 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 [2023-11-21 22:11:40,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:40,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:40,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:40,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:40,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:40,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:40,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:40,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:40,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:40,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:40,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:40,654 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:40,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2023-11-21 22:11:40,655 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 [2023-11-21 22:11:40,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:40,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:40,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:40,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:40,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:40,666 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:40,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:40,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:40,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2023-11-21 22:11:40,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:40,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:40,682 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:40,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2023-11-21 22:11:40,683 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 [2023-11-21 22:11:40,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:40,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:40,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:40,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:40,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:40,693 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:40,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:40,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:40,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:40,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:40,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:40,707 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:40,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2023-11-21 22:11:40,708 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 [2023-11-21 22:11:40,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:40,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:40,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:40,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:40,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:40,719 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:40,719 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:40,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:40,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:40,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:40,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:40,734 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:40,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2023-11-21 22:11:40,735 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 [2023-11-21 22:11:40,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:40,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:40,745 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:40,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:40,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:40,746 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:40,746 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:40,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:40,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2023-11-21 22:11:40,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:40,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:40,759 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:40,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2023-11-21 22:11:40,761 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 [2023-11-21 22:11:40,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:40,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:40,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:40,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:40,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:40,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:40,771 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:40,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:40,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:40,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:40,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:40,786 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:40,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2023-11-21 22:11:40,787 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 [2023-11-21 22:11:40,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:40,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:40,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:40,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:40,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:40,798 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:40,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:40,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:40,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:40,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:40,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:40,815 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:40,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2023-11-21 22:11:40,817 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 [2023-11-21 22:11:40,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:40,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:40,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:40,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:40,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:40,827 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:40,827 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:40,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:40,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:40,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:40,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:40,842 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:40,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2023-11-21 22:11:40,843 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 [2023-11-21 22:11:40,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:40,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:40,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:40,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:40,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:40,853 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:40,853 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:40,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:40,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:40,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:40,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:40,867 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:40,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2023-11-21 22:11:40,868 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 [2023-11-21 22:11:40,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:40,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:40,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:40,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:40,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:40,879 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:40,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:40,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:40,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:40,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:40,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:40,894 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:40,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2023-11-21 22:11:40,895 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 [2023-11-21 22:11:40,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:40,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:40,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:40,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:40,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:40,906 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:40,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:40,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:40,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:40,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:40,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:40,921 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:40,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2023-11-21 22:11:40,923 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 [2023-11-21 22:11:40,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:40,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:40,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:40,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:40,934 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:40,934 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:40,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:40,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:40,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:40,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:40,950 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:40,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2023-11-21 22:11:40,952 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 [2023-11-21 22:11:40,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:40,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:40,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:40,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:40,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:40,967 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:40,967 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:40,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:40,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:40,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:40,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:40,981 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:40,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2023-11-21 22:11:40,982 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 [2023-11-21 22:11:40,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:40,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:40,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:40,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:40,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:40,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:40,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:40,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:41,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:41,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:41,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:41,007 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:41,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2023-11-21 22:11:41,009 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 [2023-11-21 22:11:41,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:41,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:41,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:41,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:41,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:41,019 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:41,019 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:41,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:41,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:41,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:41,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:41,034 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:41,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2023-11-21 22:11:41,039 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 [2023-11-21 22:11:41,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:41,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:41,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:41,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:41,050 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:41,051 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:41,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:41,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:41,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:41,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:41,066 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:41,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2023-11-21 22:11:41,067 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 [2023-11-21 22:11:41,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:41,077 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:41,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:41,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:41,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:41,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:41,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:41,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:41,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:41,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:41,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:41,092 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:41,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2023-11-21 22:11:41,094 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 [2023-11-21 22:11:41,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:41,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:41,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:41,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:41,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:41,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:41,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:41,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:41,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:41,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:41,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:41,120 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:41,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2023-11-21 22:11:41,122 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 [2023-11-21 22:11:41,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:41,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:41,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:41,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:41,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:41,133 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:41,133 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:41,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:41,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Ended with exit code 0 [2023-11-21 22:11:41,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:41,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:41,148 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:41,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2023-11-21 22:11:41,149 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 [2023-11-21 22:11:41,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:41,159 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:41,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:41,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:41,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:41,159 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:41,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:41,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:41,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:41,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:41,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:41,173 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:41,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2023-11-21 22:11:41,176 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 [2023-11-21 22:11:41,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:41,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:41,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:41,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:41,187 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:41,187 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:41,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:41,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Ended with exit code 0 [2023-11-21 22:11:41,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:41,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:41,202 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:41,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2023-11-21 22:11:41,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:11:41,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:41,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:41,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:41,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:41,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:41,215 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:41,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:41,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:41,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:41,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:41,230 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:41,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2023-11-21 22:11:41,232 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 [2023-11-21 22:11:41,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:41,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:41,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:41,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:41,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:41,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:41,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:41,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:41,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:41,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:41,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:41,261 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:41,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2023-11-21 22:11:41,263 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 [2023-11-21 22:11:41,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:41,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:41,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:41,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:41,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:41,274 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:41,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:41,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Ended with exit code 0 [2023-11-21 22:11:41,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:41,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:41,290 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:41,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2023-11-21 22:11:41,292 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 [2023-11-21 22:11:41,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:41,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:41,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:41,302 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:41,303 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:41,303 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:41,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:41,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:41,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:41,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:41,318 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:41,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2023-11-21 22:11:41,320 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 [2023-11-21 22:11:41,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:41,330 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:41,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:41,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:41,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:41,330 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:41,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:41,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:41,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:41,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:41,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:41,344 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:41,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2023-11-21 22:11:41,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:11:41,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:41,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:41,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:41,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:41,356 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:41,356 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:41,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:41,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Ended with exit code 0 [2023-11-21 22:11:41,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:41,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:41,374 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:41,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2023-11-21 22:11:41,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:11:41,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:41,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:41,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:41,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:41,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:41,385 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:41,385 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:41,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:41,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Ended with exit code 0 [2023-11-21 22:11:41,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:41,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:41,400 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:41,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2023-11-21 22:11:41,402 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 [2023-11-21 22:11:41,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:41,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:41,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:41,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:41,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:41,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:41,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:41,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:41,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2023-11-21 22:11:41,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:41,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:41,426 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:41,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2023-11-21 22:11:41,427 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 [2023-11-21 22:11:41,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:41,437 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:41,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:41,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:41,438 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:41,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:41,438 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:41,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:41,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2023-11-21 22:11:41,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:41,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:41,451 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:41,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2023-11-21 22:11:41,452 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 [2023-11-21 22:11:41,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:41,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:11:41,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:41,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:41,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:41,463 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:11:41,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:11:41,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:41,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Ended with exit code 0 [2023-11-21 22:11:41,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:41,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:41,479 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:41,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2023-11-21 22:11:41,481 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 [2023-11-21 22:11:41,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:41,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:41,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:41,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:41,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:41,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:41,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:41,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Ended with exit code 0 [2023-11-21 22:11:41,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:41,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:41,507 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:41,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2023-11-21 22:11:41,509 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 [2023-11-21 22:11:41,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:41,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:41,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:41,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:41,520 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:41,520 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:41,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:41,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:41,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:41,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:41,536 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:41,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2023-11-21 22:11:41,537 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 [2023-11-21 22:11:41,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:41,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:41,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:41,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:41,548 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:41,548 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:41,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:41,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Ended with exit code 0 [2023-11-21 22:11:41,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:41,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:41,566 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:41,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2023-11-21 22:11:41,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:11:41,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:41,579 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-21 22:11:41,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:41,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:41,588 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-11-21 22:11:41,588 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:41,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:41,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Ended with exit code 0 [2023-11-21 22:11:41,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:41,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:41,616 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:41,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2023-11-21 22:11:41,617 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 [2023-11-21 22:11:41,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:41,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:41,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:41,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:41,630 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:41,630 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:41,637 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:41,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Ended with exit code 0 [2023-11-21 22:11:41,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:41,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:41,650 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:41,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2023-11-21 22:11:41,651 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 [2023-11-21 22:11:41,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:41,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:41,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:41,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:41,662 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:41,662 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:41,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:41,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Ended with exit code 0 [2023-11-21 22:11:41,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:41,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:41,678 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:41,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2023-11-21 22:11:41,680 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 [2023-11-21 22:11:41,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:41,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:41,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:41,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:41,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:41,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:41,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:41,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Ended with exit code 0 [2023-11-21 22:11:41,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:41,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:41,706 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:41,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2023-11-21 22:11:41,708 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 [2023-11-21 22:11:41,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:41,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:41,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:41,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:41,720 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:41,720 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:41,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:11:41,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:41,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:41,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:41,739 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:41,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2023-11-21 22:11:41,741 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 [2023-11-21 22:11:41,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:11:41,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:11:41,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:11:41,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:11:41,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:11:41,763 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:11:41,803 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:11:41,833 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-11-21 22:11:41,833 INFO L444 ModelExtractionUtils]: 16 out of 31 variables were initially zero. Simplification set additionally 12 variables to zero. [2023-11-21 22:11:41,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:11:41,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:41,834 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:41,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2023-11-21 22:11:41,835 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:11:41,846 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:11:41,846 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:11:41,846 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_memcmp_~s~0#1.offset, v_rep(select #length ULTIMATE.start_strstr_~haystack#1.base)_2) = -1*ULTIMATE.start_memcmp_~s~0#1.offset + 1*v_rep(select #length ULTIMATE.start_strstr_~haystack#1.base)_2 Supporting invariants [] [2023-11-21 22:11:41,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:42,081 INFO L156 tatePredicateManager]: 37 out of 41 supporting invariants were superfluous and have been removed [2023-11-21 22:11:42,088 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~haystack!base] could not be translated [2023-11-21 22:11:42,111 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:42,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-21 22:11:42,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:11:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:42,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 22:11:42,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:11:42,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:11:42,644 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2023-11-21 22:11:42,644 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 15 Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 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) [2023-11-21 22:11:43,050 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 54 transitions. cyclomatic complexity: 15. Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 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 78 states and 93 transitions. Complement of second has 16 states. [2023-11-21 22:11:43,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 9 stem states 2 non-accepting loop states 2 accepting loop states [2023-11-21 22:11:43,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 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) [2023-11-21 22:11:43,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 49 transitions. [2023-11-21 22:11:43,055 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 49 transitions. Stem has 32 letters. Loop has 3 letters. [2023-11-21 22:11:43,056 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:11:43,056 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 49 transitions. Stem has 35 letters. Loop has 3 letters. [2023-11-21 22:11:43,056 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:11:43,056 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 49 transitions. Stem has 32 letters. Loop has 6 letters. [2023-11-21 22:11:43,057 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:11:43,057 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 93 transitions. [2023-11-21 22:11:43,058 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 22:11:43,059 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 68 states and 81 transitions. [2023-11-21 22:11:43,060 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2023-11-21 22:11:43,060 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2023-11-21 22:11:43,060 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 81 transitions. [2023-11-21 22:11:43,060 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:11:43,060 INFO L218 hiAutomatonCegarLoop]: Abstraction has 68 states and 81 transitions. [2023-11-21 22:11:43,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 81 transitions. [2023-11-21 22:11:43,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 51. [2023-11-21 22:11:43,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 50 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:11:43,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 62 transitions. [2023-11-21 22:11:43,063 INFO L240 hiAutomatonCegarLoop]: Abstraction has 51 states and 62 transitions. [2023-11-21 22:11:43,063 INFO L428 stractBuchiCegarLoop]: Abstraction has 51 states and 62 transitions. [2023-11-21 22:11:43,063 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2023-11-21 22:11:43,063 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 62 transitions. [2023-11-21 22:11:43,064 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-21 22:11:43,064 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:11:43,064 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:11:43,065 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:11:43,065 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 22:11:43,066 INFO L748 eck$LassoCheckResult]: Stem: 2555#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2523#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet19#1, main_#t~malloc20#1.base, main_#t~malloc20#1.offset, main_#t~nondet22#1, main_#t~post21#1, main_~i~2#1, main_#t~nondet23#1, main_#t~malloc24#1.base, main_#t~malloc24#1.offset, main_#t~nondet26#1, main_#t~post25#1, main_~i~3#1, main_#t~ret27#1.base, main_#t~ret27#1.offset, main_~in_len~0#1, main_~hay~0#1.base, main_~hay~0#1.offset, main_~out_len~0#1, main_~needle~0#1.base, main_~needle~0#1.offset;havoc main_#t~nondet19#1;main_~in_len~0#1 := main_#t~nondet19#1;havoc main_#t~nondet19#1; 2524#L542 assume !(main_~in_len~0#1 < 1);call main_#t~malloc20#1.base, main_#t~malloc20#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~hay~0#1.base, main_~hay~0#1.offset := main_#t~malloc20#1.base, main_#t~malloc20#1.offset;main_~i~2#1 := 0; 2511#L544-3 assume !!(main_~i~2#1 < main_~in_len~0#1 - 1);havoc main_#t~nondet22#1;call write~int#0(main_#t~nondet22#1, main_~hay~0#1.base, main_~hay~0#1.offset + main_~i~2#1, 1);havoc main_#t~nondet22#1; 2512#L544-2 main_#t~post21#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2513#L544-3 assume !(main_~i~2#1 < main_~in_len~0#1 - 1); 2514#L544-4 havoc main_~i~2#1;call write~int#0(0, main_~hay~0#1.base, main_~hay~0#1.offset + (main_~in_len~0#1 - 1), 1);havoc main_#t~nondet23#1;main_~out_len~0#1 := main_#t~nondet23#1;havoc main_#t~nondet23#1; 2520#L550 assume !(main_~out_len~0#1 < 1);call main_#t~malloc24#1.base, main_#t~malloc24#1.offset := #Ultimate.allocOnStack(main_~out_len~0#1 % 18446744073709551616);main_~needle~0#1.base, main_~needle~0#1.offset := main_#t~malloc24#1.base, main_#t~malloc24#1.offset;main_~i~3#1 := 0; 2515#L552-3 assume !!(main_~i~3#1 < main_~out_len~0#1 - 1);havoc main_#t~nondet26#1;call write~int#0(main_#t~nondet26#1, main_~needle~0#1.base, main_~needle~0#1.offset + main_~i~3#1, 1);havoc main_#t~nondet26#1; 2516#L552-2 main_#t~post25#1 := main_~i~3#1;main_~i~3#1 := 1 + main_#t~post25#1;havoc main_#t~post25#1; 2517#L552-3 assume !(main_~i~3#1 < main_~out_len~0#1 - 1); 2518#L552-4 havoc main_~i~3#1;call write~int#0(0, main_~needle~0#1.base, main_~needle~0#1.offset + (main_~out_len~0#1 - 1), 1);assume { :begin_inline_strstr } true;strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset, strstr_#in~needle#1.base, strstr_#in~needle#1.offset := main_~hay~0#1.base, main_~hay~0#1.offset, main_~needle~0#1.base, main_~needle~0#1.offset;havoc strstr_#res#1.base, strstr_#res#1.offset;havoc strstr_#t~ret11#1, strstr_#t~ret12#1, strstr_#t~mem14#1, strstr_#t~mem15#1, strstr_#t~ret16#1, strstr_#t~short17#1, strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset, strstr_#t~pre13#1, strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1, strstr_~hl~0#1, strstr_~i~1#1;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_#in~haystack#1.base, strstr_#in~haystack#1.offset;strstr_~needle#1.base, strstr_~needle#1.offset := strstr_#in~needle#1.base, strstr_#in~needle#1.offset;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~needle#1.base, strstr_~needle#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 2519#L509 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 2525#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 2526#L510-1 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 2538#L510-3 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 2527#L510-4 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 2528#L510-1 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 2552#L510-5 strlen_#res#1 := strlen_~i~0#1; 2548#strlen_returnLabel#1 strstr_#t~ret11#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~nl~0#1 := strstr_#t~ret11#1;havoc strstr_#t~ret11#1;assume { :begin_inline_strlen } true;strlen_#in~s#1.base, strlen_#in~s#1.offset := strstr_~haystack#1.base, strstr_~haystack#1.offset;havoc strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;strlen_~s#1.base, strlen_~s#1.offset := strlen_#in~s#1.base, strlen_#in~s#1.offset;havoc strlen_~i~0#1; 2539#L509-2 assume !(strlen_~s#1.base == 0 && strlen_~s#1.offset == 0);strlen_~i~0#1 := 0; 2530#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 2531#L510-7 assume !!(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1;strlen_#t~pre3#1 := 1 + strlen_~i~0#1;strlen_~i~0#1 := 1 + strlen_~i~0#1;havoc strlen_#t~pre3#1; 2535#L510-9 strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;strlen_~s#1.base, strlen_~s#1.offset := strlen_~s#1.base, 1 + strlen_~s#1.offset;havoc strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset; 2532#L510-10 call strlen_#t~mem4#1 := read~int#0(strlen_~s#1.base, strlen_~s#1.offset, 1); 2533#L510-7 assume !(0 != strlen_#t~mem4#1);havoc strlen_#t~mem4#1; 2534#L510-11 strlen_#res#1 := strlen_~i~0#1; 2540#strlen_returnLabel#2 strstr_#t~ret12#1 := strlen_#res#1;havoc strlen_#t~pre3#1, strlen_#t~pre2#1.base, strlen_#t~pre2#1.offset, strlen_#t~mem4#1, strlen_~s#1.base, strlen_~s#1.offset, strlen_~i~0#1;havoc strlen_#in~s#1.base, strlen_#in~s#1.offset;assume { :end_inline_strlen } true;strstr_~hl~0#1 := strstr_#t~ret12#1;havoc strstr_#t~ret12#1;havoc strstr_~i~1#1; 2529#L530 assume !(0 == strstr_~nl~0#1 % 18446744073709551616); 2521#L531 assume !(strstr_~nl~0#1 % 18446744073709551616 > strstr_~hl~0#1 % 18446744073709551616);strstr_~i~1#1 := 1 + (strstr_~hl~0#1 - strstr_~nl~0#1); 2522#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 2556#L533 assume !strstr_#t~short17#1; 2544#L533-2 assume !strstr_#t~short17#1;havoc strstr_#t~mem14#1;havoc strstr_#t~mem15#1;havoc strstr_#t~ret16#1;havoc strstr_#t~short17#1;strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;strstr_~haystack#1.base, strstr_~haystack#1.offset := strstr_~haystack#1.base, 1 + strstr_~haystack#1.offset;havoc strstr_#t~pre18#1.base, strstr_#t~pre18#1.offset; 2545#L532-2 strstr_#t~pre13#1 := strstr_~i~1#1 - 1;strstr_~i~1#1 := strstr_~i~1#1 - 1;havoc strstr_#t~pre13#1; 2546#L532-3 assume !!(0 != strstr_~i~1#1 % 18446744073709551616);call strstr_#t~mem14#1 := read~int#0(strstr_~haystack#1.base, strstr_~haystack#1.offset, 1);call strstr_#t~mem15#1 := read~int#0(strstr_~needle#1.base, strstr_~needle#1.offset, 1);strstr_#t~short17#1 := strstr_#t~mem14#1 == strstr_#t~mem15#1; 2549#L533 assume strstr_#t~short17#1;assume { :begin_inline_memcmp } true;memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset, memcmp_#in~src#1.base, memcmp_#in~src#1.offset, memcmp_#in~count#1 := strstr_~haystack#1.base, strstr_~haystack#1.offset, strstr_~needle#1.base, strstr_~needle#1.offset, strstr_~nl~0#1;havoc memcmp_#res#1;havoc memcmp_#t~pre5#1, memcmp_#t~mem7#1, memcmp_#t~mem8#1, memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset, memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset, memcmp_#t~pre6#1, memcmp_~dst#1.base, memcmp_~dst#1.offset, memcmp_~src#1.base, memcmp_~src#1.offset, memcmp_~count#1, memcmp_~r~0#1, memcmp_~d~0#1.base, memcmp_~d~0#1.offset, memcmp_~s~0#1.base, memcmp_~s~0#1.offset;memcmp_~dst#1.base, memcmp_~dst#1.offset := memcmp_#in~dst#1.base, memcmp_#in~dst#1.offset;memcmp_~src#1.base, memcmp_~src#1.offset := memcmp_#in~src#1.base, memcmp_#in~src#1.offset;memcmp_~count#1 := memcmp_#in~count#1;havoc memcmp_~r~0#1;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~dst#1.base, memcmp_~dst#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~src#1.base, memcmp_~src#1.offset;memcmp_#t~pre5#1 := 1 + memcmp_~count#1;memcmp_~count#1 := 1 + memcmp_~count#1;havoc memcmp_#t~pre5#1; 2542#L518-3 [2023-11-21 22:11:43,066 INFO L750 eck$LassoCheckResult]: Loop: 2542#L518-3 memcmp_#t~pre6#1 := memcmp_~count#1 - 1;memcmp_~count#1 := memcmp_~count#1 - 1; 2553#L518-1 assume !!(0 != memcmp_#t~pre6#1 % 18446744073709551616);havoc memcmp_#t~pre6#1;call memcmp_#t~mem7#1 := read~int#0(memcmp_~d~0#1.base, memcmp_~d~0#1.offset, 1);call memcmp_#t~mem8#1 := read~int#0(memcmp_~s~0#1.base, memcmp_~s~0#1.offset, 1);memcmp_~r~0#1 := (if memcmp_#t~mem7#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem7#1 % 256 % 4294967296 else memcmp_#t~mem7#1 % 256 % 4294967296 - 4294967296) - (if memcmp_#t~mem8#1 % 256 % 4294967296 <= 2147483647 then memcmp_#t~mem8#1 % 256 % 4294967296 else memcmp_#t~mem8#1 % 256 % 4294967296 - 4294967296); 2541#L519 assume !(0 != memcmp_~r~0#1);havoc memcmp_#t~mem7#1;havoc memcmp_#t~mem8#1;memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;memcmp_~d~0#1.base, memcmp_~d~0#1.offset := memcmp_~d~0#1.base, 1 + memcmp_~d~0#1.offset;havoc memcmp_#t~pre9#1.base, memcmp_#t~pre9#1.offset;memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;memcmp_~s~0#1.base, memcmp_~s~0#1.offset := memcmp_~s~0#1.base, 1 + memcmp_~s~0#1.offset;havoc memcmp_#t~pre10#1.base, memcmp_#t~pre10#1.offset; 2542#L518-3 [2023-11-21 22:11:43,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:43,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1883884272, now seen corresponding path program 1 times [2023-11-21 22:11:43,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:43,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785731855] [2023-11-21 22:11:43,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:43,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:43,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Forceful destruction successful, exit code 0 [2023-11-21 22:11:43,375 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 22:11:43,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:11:43,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785731855] [2023-11-21 22:11:43,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785731855] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:11:43,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230589124] [2023-11-21 22:11:43,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:43,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:11:43,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:43,377 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:11:43,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6f3b1cf-0aef-4a25-a58c-3aa615a2aed0/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (154)] Waiting until timeout for monitored process [2023-11-21 22:11:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:43,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 56 conjunts are in the unsatisfiable core [2023-11-21 22:11:43,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:11:43,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-11-21 22:11:43,634 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-21 22:11:43,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-21 22:11:43,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-21 22:11:43,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2023-11-21 22:11:44,011 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 22:11:44,011 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:11:56,591 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 22:11:56,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 27 [2023-11-21 22:11:56,615 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 22:11:56,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 39 [2023-11-21 22:11:56,642 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 22:11:56,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 32 [2023-11-21 22:11:57,203 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2023-11-21 22:11:57,204 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 12 [2023-11-21 22:11:57,206 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 22:11:57,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230589124] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:11:57,207 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:11:57,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 32 [2023-11-21 22:11:57,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128696948] [2023-11-21 22:11:57,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:11:57,208 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 22:11:57,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:57,209 INFO L85 PathProgramCache]: Analyzing trace with hash 139186, now seen corresponding path program 2 times [2023-11-21 22:11:57,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:57,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346709282] [2023-11-21 22:11:57,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:57,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:57,216 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:11:57,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:11:57,223 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:11:57,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:11:57,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2023-11-21 22:11:57,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=902, Unknown=6, NotChecked=0, Total=992 [2023-11-21 22:11:57,525 INFO L87 Difference]: Start difference. First operand 51 states and 62 transitions. cyclomatic complexity: 18 Second operand has 32 states, 32 states have (on average 3.125) internal successors, (100), 32 states have internal predecessors, (100), 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)