./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector/gcd_4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/gcd_4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 679f2fe8d678884423b2dff47bf2c3c7ede0374b3a8bb68f9a9e8a332d8776ef --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:02:00,714 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:02:00,785 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 08:02:00,791 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:02:00,792 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:02:00,823 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:02:00,824 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:02:00,826 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:02:00,827 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:02:00,829 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:02:00,830 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:02:00,831 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 08:02:00,831 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 08:02:00,835 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 08:02:00,836 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 08:02:00,837 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 08:02:00,838 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 08:02:00,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:02:00,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 08:02:00,845 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:02:00,847 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:02:00,848 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:02:00,849 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:02:00,850 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 08:02:00,850 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 08:02:00,851 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 08:02:00,851 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:02:00,852 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:02:00,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:02:00,853 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 08:02:00,855 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:02:00,855 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:02:00,856 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:02:00,856 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:02:00,856 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:02:00,857 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 08:02:00,857 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_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 679f2fe8d678884423b2dff47bf2c3c7ede0374b3a8bb68f9a9e8a332d8776ef [2023-11-19 08:02:01,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:02:01,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:02:01,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:02:01,228 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:02:01,229 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:02:01,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/bitvector/gcd_4.c [2023-11-19 08:02:04,646 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:02:04,857 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:02:04,858 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/sv-benchmarks/c/bitvector/gcd_4.c [2023-11-19 08:02:04,866 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/data/43b16ae51/dce00ec119a547b895f6651bb2919c75/FLAG6efeb5634 [2023-11-19 08:02:04,891 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/data/43b16ae51/dce00ec119a547b895f6651bb2919c75 [2023-11-19 08:02:04,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:02:04,896 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:02:04,897 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:04,898 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:02:04,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:02:04,912 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:04" (1/1) ... [2023-11-19 08:02:04,913 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f21c346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:04, skipping insertion in model container [2023-11-19 08:02:04,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:04" (1/1) ... [2023-11-19 08:02:04,942 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:02:05,106 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:05,118 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:02:05,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:05,148 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:02:05,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:05 WrapperNode [2023-11-19 08:02:05,149 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:05,150 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:05,150 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:02:05,151 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:02:05,159 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:05" (1/1) ... [2023-11-19 08:02:05,166 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:05" (1/1) ... [2023-11-19 08:02:05,188 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 69 [2023-11-19 08:02:05,189 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:05,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:02:05,190 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:02:05,190 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:02:05,199 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:05" (1/1) ... [2023-11-19 08:02:05,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:05" (1/1) ... [2023-11-19 08:02:05,201 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:05" (1/1) ... [2023-11-19 08:02:05,202 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:05" (1/1) ... [2023-11-19 08:02:05,222 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:05" (1/1) ... [2023-11-19 08:02:05,226 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:05" (1/1) ... [2023-11-19 08:02:05,228 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:05" (1/1) ... [2023-11-19 08:02:05,229 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:05" (1/1) ... [2023-11-19 08:02:05,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:02:05,232 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:02:05,232 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:02:05,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:02:05,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:05" (1/1) ... [2023-11-19 08:02:05,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:05,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:05,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:05,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 08:02:05,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:02:05,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:02:05,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:02:05,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:02:05,374 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:02:05,377 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:02:05,548 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:02:05,557 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:02:05,557 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:02:05,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:05 BoogieIcfgContainer [2023-11-19 08:02:05,560 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:02:05,561 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 08:02:05,562 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 08:02:05,566 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 08:02:05,567 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 08:02:05,567 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 08:02:04" (1/3) ... [2023-11-19 08:02:05,568 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a3ffdbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:02:05, skipping insertion in model container [2023-11-19 08:02:05,569 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 08:02:05,569 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:05" (2/3) ... [2023-11-19 08:02:05,569 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a3ffdbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:02:05, skipping insertion in model container [2023-11-19 08:02:05,570 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 08:02:05,570 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:05" (3/3) ... [2023-11-19 08:02:05,571 INFO L332 chiAutomizerObserver]: Analyzing ICFG gcd_4.c [2023-11-19 08:02:05,638 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 08:02:05,638 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 08:02:05,638 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 08:02:05,639 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 08:02:05,639 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 08:02:05,639 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 08:02:05,639 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 08:02:05,640 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 08:02:05,644 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 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) [2023-11-19 08:02:05,668 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-19 08:02:05,668 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:02:05,669 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:02:05,676 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-19 08:02:05,676 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 08:02:05,677 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 08:02:05,677 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 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) [2023-11-19 08:02:05,680 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-19 08:02:05,680 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:02:05,680 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:02:05,682 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-19 08:02:05,682 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 08:02:05,694 INFO L748 eck$LassoCheckResult]: Stem: 21#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call write~init~int(103, 2, 0, 1);call write~init~int(99, 2, 1, 1);call write~init~int(100, 2, 2, 1);call write~init~int(95, 2, 3, 1);call write~init~int(52, 2, 4, 1);call write~init~int(46, 2, 5, 1);call write~init~int(99, 2, 6, 1);call write~init~int(0, 2, 7, 1);call #Ultimate.allocInit(12, 3); 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~x~0#1, main_~y~0#1, main_~g~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~g~0#1;main_~x~0#1 := 63;main_~y~0#1 := 18;assume { :begin_inline_gcd_test } true;gcd_test_#in~a#1, gcd_test_#in~b#1 := main_~x~0#1, main_~y~0#1;havoc gcd_test_#res#1;havoc gcd_test_~a#1, gcd_test_~b#1;gcd_test_~a#1 := gcd_test_#in~a#1;gcd_test_~b#1 := gcd_test_#in~b#1; 17#L22true assume !(gcd_test_~a#1 < 0); 12#L22-2true assume !(gcd_test_~b#1 < 0); 13#L23-1true assume !(0 == gcd_test_~a#1); 5#L30-2true [2023-11-19 08:02:05,694 INFO L750 eck$LassoCheckResult]: Loop: 5#L30-2true assume !!(0 != gcd_test_~b#1); 7#L30true assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 5#L30-2true [2023-11-19 08:02:05,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:05,702 INFO L85 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2023-11-19 08:02:05,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:05,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065141717] [2023-11-19 08:02:05,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:05,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:05,861 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:02:05,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:05,935 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:02:05,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:05,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 1 times [2023-11-19 08:02:05,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:05,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693079381] [2023-11-19 08:02:05,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:05,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:05,949 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:02:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:05,956 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:02:05,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:05,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1806939727, now seen corresponding path program 1 times [2023-11-19 08:02:05,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:05,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875549992] [2023-11-19 08:02:05,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:05,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:06,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:06,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:06,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875549992] [2023-11-19 08:02:06,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875549992] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:06,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:06,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:02:06,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094747806] [2023-11-19 08:02:06,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:06,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:06,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:02:06,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:02:06,274 INFO L87 Difference]: Start difference. First operand has 24 states, 23 states have (on average 1.391304347826087) internal successors, (32), 23 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) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:06,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:06,314 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2023-11-19 08:02:06,315 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 24 transitions. [2023-11-19 08:02:06,317 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-19 08:02:06,321 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 9 states and 10 transitions. [2023-11-19 08:02:06,322 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-19 08:02:06,322 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-19 08:02:06,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 10 transitions. [2023-11-19 08:02:06,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:02:06,324 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2023-11-19 08:02:06,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 10 transitions. [2023-11-19 08:02:06,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-11-19 08:02:06,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:06,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2023-11-19 08:02:06,352 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2023-11-19 08:02:06,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:02:06,359 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2023-11-19 08:02:06,359 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 08:02:06,359 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2023-11-19 08:02:06,360 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-19 08:02:06,360 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:02:06,360 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:02:06,361 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:06,361 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 08:02:06,361 INFO L748 eck$LassoCheckResult]: Stem: 63#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call write~init~int(103, 2, 0, 1);call write~init~int(99, 2, 1, 1);call write~init~int(100, 2, 2, 1);call write~init~int(95, 2, 3, 1);call write~init~int(52, 2, 4, 1);call write~init~int(46, 2, 5, 1);call write~init~int(99, 2, 6, 1);call write~init~int(0, 2, 7, 1);call #Ultimate.allocInit(12, 3); 64#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~x~0#1, main_~y~0#1, main_~g~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~g~0#1;main_~x~0#1 := 63;main_~y~0#1 := 18;assume { :begin_inline_gcd_test } true;gcd_test_#in~a#1, gcd_test_#in~b#1 := main_~x~0#1, main_~y~0#1;havoc gcd_test_#res#1;havoc gcd_test_~a#1, gcd_test_~b#1;gcd_test_~a#1 := gcd_test_#in~a#1;gcd_test_~b#1 := gcd_test_#in~b#1; 58#L22 assume !(gcd_test_~a#1 < 0); 59#L22-2 assume !(gcd_test_~b#1 < 0); 65#L23-1 assume !(0 == gcd_test_~a#1); 66#L30-2 assume !!(0 != gcd_test_~b#1); 62#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 60#L30-2 [2023-11-19 08:02:06,361 INFO L750 eck$LassoCheckResult]: Loop: 60#L30-2 assume !!(0 != gcd_test_~b#1); 61#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 60#L30-2 [2023-11-19 08:02:06,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:06,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1806939725, now seen corresponding path program 1 times [2023-11-19 08:02:06,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:06,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414837367] [2023-11-19 08:02:06,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:06,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:06,379 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:02:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:06,408 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:02:06,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:06,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 2 times [2023-11-19 08:02:06,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:06,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473414803] [2023-11-19 08:02:06,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:06,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:06,420 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:02:06,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:06,432 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:02:06,433 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:06,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1302289042, now seen corresponding path program 1 times [2023-11-19 08:02:06,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:06,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153187175] [2023-11-19 08:02:06,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:06,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:06,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:06,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:06,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153187175] [2023-11-19 08:02:06,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153187175] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:02:06,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748484906] [2023-11-19 08:02:06,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:06,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:06,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:06,624 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:02:06,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 08:02:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:06,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 08:02:06,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:06,873 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:06,873 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:02:06,952 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:06,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748484906] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:02:06,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:02:06,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2023-11-19 08:02:06,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010364978] [2023-11-19 08:02:06,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:02:06,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:06,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 08:02:06,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:02:06,985 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. cyclomatic complexity: 2 Second operand has 8 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:07,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:07,020 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2023-11-19 08:02:07,020 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 14 transitions. [2023-11-19 08:02:07,021 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-19 08:02:07,022 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 14 transitions. [2023-11-19 08:02:07,022 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-19 08:02:07,023 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-19 08:02:07,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 14 transitions. [2023-11-19 08:02:07,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:02:07,023 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 14 transitions. [2023-11-19 08:02:07,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 14 transitions. [2023-11-19 08:02:07,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-19 08:02:07,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 12 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) [2023-11-19 08:02:07,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2023-11-19 08:02:07,026 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 14 transitions. [2023-11-19 08:02:07,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:02:07,028 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 14 transitions. [2023-11-19 08:02:07,028 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 08:02:07,028 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 14 transitions. [2023-11-19 08:02:07,029 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-19 08:02:07,030 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:02:07,030 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:02:07,030 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 1, 1, 1, 1, 1] [2023-11-19 08:02:07,031 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 08:02:07,031 INFO L748 eck$LassoCheckResult]: Stem: 146#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call write~init~int(103, 2, 0, 1);call write~init~int(99, 2, 1, 1);call write~init~int(100, 2, 2, 1);call write~init~int(95, 2, 3, 1);call write~init~int(52, 2, 4, 1);call write~init~int(46, 2, 5, 1);call write~init~int(99, 2, 6, 1);call write~init~int(0, 2, 7, 1);call #Ultimate.allocInit(12, 3); 147#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~x~0#1, main_~y~0#1, main_~g~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~g~0#1;main_~x~0#1 := 63;main_~y~0#1 := 18;assume { :begin_inline_gcd_test } true;gcd_test_#in~a#1, gcd_test_#in~b#1 := main_~x~0#1, main_~y~0#1;havoc gcd_test_#res#1;havoc gcd_test_~a#1, gcd_test_~b#1;gcd_test_~a#1 := gcd_test_#in~a#1;gcd_test_~b#1 := gcd_test_#in~b#1; 141#L22 assume !(gcd_test_~a#1 < 0); 142#L22-2 assume !(gcd_test_~b#1 < 0); 148#L23-1 assume !(0 == gcd_test_~a#1); 149#L30-2 assume !!(0 != gcd_test_~b#1); 145#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 143#L30-2 assume !!(0 != gcd_test_~b#1); 144#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 153#L30-2 assume !!(0 != gcd_test_~b#1); 152#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 151#L30-2 [2023-11-19 08:02:07,031 INFO L750 eck$LassoCheckResult]: Loop: 151#L30-2 assume !!(0 != gcd_test_~b#1); 150#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 151#L30-2 [2023-11-19 08:02:07,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:07,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1664285203, now seen corresponding path program 2 times [2023-11-19 08:02:07,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:07,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029124615] [2023-11-19 08:02:07,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:07,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:07,047 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:02:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:07,061 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:02:07,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:07,062 INFO L85 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 3 times [2023-11-19 08:02:07,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:07,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054544485] [2023-11-19 08:02:07,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:07,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:07,067 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:02:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:07,071 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:02:07,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:07,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1650246872, now seen corresponding path program 2 times [2023-11-19 08:02:07,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:07,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420779671] [2023-11-19 08:02:07,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:07,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:07,085 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:02:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:07,100 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:02:07,640 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 08:02:07,641 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 08:02:07,641 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 08:02:07,641 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 08:02:07,641 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 08:02:07,641 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:07,642 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 08:02:07,642 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 08:02:07,642 INFO L133 ssoRankerPreferences]: Filename of dumped script: gcd_4.c_Iteration3_Lasso [2023-11-19 08:02:07,642 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 08:02:07,642 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 08:02:07,661 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:02:07,673 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:02:07,676 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:02:07,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:02:07,822 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:02:07,850 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:02:07,855 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:02:07,858 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:02:07,863 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:02:07,866 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:02:07,869 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:02:07,874 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:02:07,879 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:02:08,245 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 08:02:08,250 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 08:02:08,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:08,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:08,293 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:08,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 08:02:08,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:02:08,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:02:08,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:02:08,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:02:08,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:02:08,332 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:02:08,333 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:02:08,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:02:08,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:08,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:08,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:08,378 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:08,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:02:08,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 08:02:08,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:02:08,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:02:08,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:02:08,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:02:08,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:02:08,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:02:08,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:02:08,417 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:02:08,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:08,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:08,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:08,447 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:08,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 08:02:08,453 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:02:08,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:02:08,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:02:08,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:02:08,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:02:08,472 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:02:08,472 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:02:08,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:02:08,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:08,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:08,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:08,510 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:08,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-19 08:02:08,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:02:08,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:02:08,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:02:08,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:02:08,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:02:08,538 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:02:08,538 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:02:08,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:02:08,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:08,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:08,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:08,585 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:08,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:02:08,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:02:08,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:02:08,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:02:08,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:02:08,616 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:02:08,616 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:02:08,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 08:02:08,632 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:02:08,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:08,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:08,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:08,657 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:08,665 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 [2023-11-19 08:02:08,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-19 08:02:08,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:02:08,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:02:08,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:02:08,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:02:08,685 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:02:08,685 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:02:08,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:02:08,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-19 08:02:08,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:08,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:08,727 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:08,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-19 08:02:08,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:02:08,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:02:08,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:02:08,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:02:08,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:02:08,750 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:02:08,750 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:02:08,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:02:08,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:08,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:08,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:08,794 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:08,798 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:02:08,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-19 08:02:08,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:02:08,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:02:08,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:02:08,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:02:08,818 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:02:08,819 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:02:08,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:02:08,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:08,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:08,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:08,866 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:08,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:02:08,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-19 08:02:08,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:02:08,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:02:08,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:02:08,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:02:08,897 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:02:08,898 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:02:08,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:02:08,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:08,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:08,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:08,942 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:08,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-19 08:02:08,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:02:08,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:02:08,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:02:08,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:02:08,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:02:08,966 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:02:08,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:02:08,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:02:09,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:09,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:09,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:09,015 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:09,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-19 08:02:09,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:02:09,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:02:09,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:02:09,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:02:09,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:02:09,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:02:09,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:02:09,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:02:09,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:09,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:09,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:09,075 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:09,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:02:09,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:02:09,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:02:09,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:02:09,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:02:09,097 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:02:09,097 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:02:09,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-19 08:02:09,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:02:09,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:09,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:09,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:09,137 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:09,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-19 08:02:09,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:02:09,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:02:09,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:02:09,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:02:09,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:02:09,180 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:02:09,181 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:02:09,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:02:09,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:09,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:09,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:09,229 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:09,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:02:09,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:02:09,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:02:09,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:02:09,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:02:09,251 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:02:09,251 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:02:09,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-19 08:02:09,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:02:09,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:09,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:09,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:09,304 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:09,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:02:09,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:02:09,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:02:09,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:02:09,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:02:09,326 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:02:09,326 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:02:09,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-19 08:02:09,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:02:09,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:09,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:09,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:09,359 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:09,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-19 08:02:09,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:02:09,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:02:09,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:02:09,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:02:09,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:02:09,383 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:02:09,383 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:02:09,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:02:09,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:09,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:09,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:09,433 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:09,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-19 08:02:09,437 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 [2023-11-19 08:02:09,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:02:09,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:02:09,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:02:09,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:02:09,452 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:02:09,452 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:02:09,483 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:02:09,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:09,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:09,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:09,503 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:09,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:02:09,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:02:09,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:02:09,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:02:09,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:02:09,530 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:02:09,530 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:02:09,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-19 08:02:09,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:02:09,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:09,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:09,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:09,572 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:09,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-19 08:02:09,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:02:09,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:02:09,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:02:09,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:02:09,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:02:09,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:02:09,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:02:09,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:02:09,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:09,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:09,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:09,627 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:09,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-19 08:02:09,631 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 [2023-11-19 08:02:09,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:02:09,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:02:09,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:02:09,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:02:09,643 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:02:09,644 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:02:09,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:02:09,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:09,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:09,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:09,684 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:09,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:02:09,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:02:09,700 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:02:09,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:02:09,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:02:09,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:02:09,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-19 08:02:09,701 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:02:09,701 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:02:09,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:02:09,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:09,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:09,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:09,734 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:09,740 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:02:09,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:02:09,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:02:09,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:02:09,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:02:09,754 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:02:09,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:02:09,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-19 08:02:09,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:02:09,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:09,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:09,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:09,785 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:09,787 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 [2023-11-19 08:02:09,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-19 08:02:09,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:02:09,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:02:09,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:02:09,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:02:09,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:02:09,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:02:09,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:02:09,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:02:09,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-11-19 08:02:09,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:09,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:09,814 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:09,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-19 08:02:09,817 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 [2023-11-19 08:02:09,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:02:09,827 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:02:09,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:02:09,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:02:09,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:02:09,828 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:02:09,828 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:02:09,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:02:09,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:09,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:09,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:09,876 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:09,880 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:02:09,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:02:09,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:02:09,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:02:09,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:02:09,895 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:02:09,895 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:02:09,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-19 08:02:09,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:02:09,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:09,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:09,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:09,939 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:09,944 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 [2023-11-19 08:02:09,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:02:09,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:02:09,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:02:09,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:02:09,959 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 08:02:09,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 08:02:09,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-19 08:02:09,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 08:02:09,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:10,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:10,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:10,001 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:10,004 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 [2023-11-19 08:02:10,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:02:10,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:02:10,016 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-19 08:02:10,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:02:10,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-19 08:02:10,026 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-19 08:02:10,026 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-19 08:02:10,051 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 08:02:10,092 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-11-19 08:02:10,093 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-11-19 08:02:10,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:02:10,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:10,100 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:10,104 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 08:02:10,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-19 08:02:10,132 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 4. [2023-11-19 08:02:10,133 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 08:02:10,133 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_gcd_test_~b#1) = 1*ULTIMATE.start_gcd_test_~b#1 Supporting invariants [1*ULTIMATE.start_gcd_test_~a#1 - 2 >= 0, 1*ULTIMATE.start_gcd_test_~b#1 >= 0] [2023-11-19 08:02:10,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:10,169 INFO L156 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2023-11-19 08:02:10,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:10,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 08:02:10,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:10,397 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 08:02:10,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:10,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:10,425 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 1 loop predicates [2023-11-19 08:02:10,427 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 14 transitions. cyclomatic complexity: 2 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:10,515 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 14 transitions. cyclomatic complexity: 2. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 15 transitions. Complement of second has 6 states. [2023-11-19 08:02:10,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-19 08:02:10,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:10,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2023-11-19 08:02:10,519 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 11 letters. Loop has 2 letters. [2023-11-19 08:02:10,520 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:02:10,520 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-19 08:02:10,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:10,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 08:02:10,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:10,681 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 08:02:10,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:10,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:10,691 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 1 loop predicates [2023-11-19 08:02:10,691 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 14 transitions. cyclomatic complexity: 2 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:10,764 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 14 transitions. cyclomatic complexity: 2. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 15 transitions. Complement of second has 6 states. [2023-11-19 08:02:10,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-19 08:02:10,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:10,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2023-11-19 08:02:10,766 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 11 letters. Loop has 2 letters. [2023-11-19 08:02:10,766 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:02:10,766 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-19 08:02:10,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:10,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 08:02:10,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:10,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:10,942 WARN L260 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 08:02:10,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:10,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:10,954 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 1 loop predicates [2023-11-19 08:02:10,954 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 14 transitions. cyclomatic complexity: 2 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:11,076 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 14 transitions. cyclomatic complexity: 2. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 25 transitions. Complement of second has 12 states. [2023-11-19 08:02:11,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 1 non-accepting loop states 2 accepting loop states [2023-11-19 08:02:11,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:11,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 20 transitions. [2023-11-19 08:02:11,078 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 11 letters. Loop has 2 letters. [2023-11-19 08:02:11,078 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:02:11,078 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 13 letters. Loop has 2 letters. [2023-11-19 08:02:11,079 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:02:11,079 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 20 transitions. Stem has 11 letters. Loop has 4 letters. [2023-11-19 08:02:11,079 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:02:11,079 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 25 transitions. [2023-11-19 08:02:11,080 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-19 08:02:11,081 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 19 states and 23 transitions. [2023-11-19 08:02:11,081 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-19 08:02:11,081 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2023-11-19 08:02:11,081 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 23 transitions. [2023-11-19 08:02:11,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 08:02:11,082 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 23 transitions. [2023-11-19 08:02:11,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 23 transitions. [2023-11-19 08:02:11,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2023-11-19 08:02:11,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:11,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2023-11-19 08:02:11,084 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2023-11-19 08:02:11,084 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2023-11-19 08:02:11,084 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-19 08:02:11,084 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2023-11-19 08:02:11,085 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-19 08:02:11,085 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:02:11,085 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:02:11,086 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1, 1] [2023-11-19 08:02:11,086 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 08:02:11,086 INFO L748 eck$LassoCheckResult]: Stem: 405#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call write~init~int(103, 2, 0, 1);call write~init~int(99, 2, 1, 1);call write~init~int(100, 2, 2, 1);call write~init~int(95, 2, 3, 1);call write~init~int(52, 2, 4, 1);call write~init~int(46, 2, 5, 1);call write~init~int(99, 2, 6, 1);call write~init~int(0, 2, 7, 1);call #Ultimate.allocInit(12, 3); 406#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~x~0#1, main_~y~0#1, main_~g~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~g~0#1;main_~x~0#1 := 63;main_~y~0#1 := 18;assume { :begin_inline_gcd_test } true;gcd_test_#in~a#1, gcd_test_#in~b#1 := main_~x~0#1, main_~y~0#1;havoc gcd_test_#res#1;havoc gcd_test_~a#1, gcd_test_~b#1;gcd_test_~a#1 := gcd_test_#in~a#1;gcd_test_~b#1 := gcd_test_#in~b#1; 403#L22 assume !(gcd_test_~a#1 < 0); 404#L22-2 assume !(gcd_test_~b#1 < 0); 407#L23-1 assume !(0 == gcd_test_~a#1); 408#L30-2 assume !!(0 != gcd_test_~b#1); 414#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 413#L30-2 assume !!(0 != gcd_test_~b#1); 412#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 411#L30-2 assume !!(0 != gcd_test_~b#1); 410#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 409#L30-2 assume !!(0 != gcd_test_~b#1); 402#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 398#L30-2 [2023-11-19 08:02:11,087 INFO L750 eck$LassoCheckResult]: Loop: 398#L30-2 assume !!(0 != gcd_test_~b#1); 399#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 398#L30-2 [2023-11-19 08:02:11,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:11,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1650246870, now seen corresponding path program 3 times [2023-11-19 08:02:11,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:11,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568059599] [2023-11-19 08:02:11,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:11,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:11,220 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:11,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:11,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568059599] [2023-11-19 08:02:11,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568059599] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:11,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:11,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:02:11,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930028737] [2023-11-19 08:02:11,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:11,225 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 08:02:11,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:11,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 4 times [2023-11-19 08:02:11,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:11,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905249695] [2023-11-19 08:02:11,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:11,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:11,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:02:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:11,237 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:02:11,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:11,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:02:11,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:02:11,259 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:11,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:11,288 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2023-11-19 08:02:11,288 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 21 transitions. [2023-11-19 08:02:11,291 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-19 08:02:11,292 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 18 states and 20 transitions. [2023-11-19 08:02:11,293 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2023-11-19 08:02:11,293 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-11-19 08:02:11,293 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 20 transitions. [2023-11-19 08:02:11,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 08:02:11,294 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 20 transitions. [2023-11-19 08:02:11,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 20 transitions. [2023-11-19 08:02:11,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2023-11-19 08:02:11,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 16 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:11,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2023-11-19 08:02:11,297 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2023-11-19 08:02:11,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:02:11,300 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2023-11-19 08:02:11,300 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-19 08:02:11,300 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 19 transitions. [2023-11-19 08:02:11,301 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-19 08:02:11,301 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:02:11,302 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:02:11,303 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:11,303 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 08:02:11,304 INFO L748 eck$LassoCheckResult]: Stem: 450#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call write~init~int(103, 2, 0, 1);call write~init~int(99, 2, 1, 1);call write~init~int(100, 2, 2, 1);call write~init~int(95, 2, 3, 1);call write~init~int(52, 2, 4, 1);call write~init~int(46, 2, 5, 1);call write~init~int(99, 2, 6, 1);call write~init~int(0, 2, 7, 1);call #Ultimate.allocInit(12, 3); 451#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~x~0#1, main_~y~0#1, main_~g~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~g~0#1;main_~x~0#1 := 63;main_~y~0#1 := 18;assume { :begin_inline_gcd_test } true;gcd_test_#in~a#1, gcd_test_#in~b#1 := main_~x~0#1, main_~y~0#1;havoc gcd_test_#res#1;havoc gcd_test_~a#1, gcd_test_~b#1;gcd_test_~a#1 := gcd_test_#in~a#1;gcd_test_~b#1 := gcd_test_#in~b#1; 443#L22 assume !(gcd_test_~a#1 < 0); 444#L22-2 assume !(gcd_test_~b#1 < 0); 452#L23-1 assume !(0 == gcd_test_~a#1); 453#L30-2 assume !!(0 != gcd_test_~b#1); 459#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 458#L30-2 assume !!(0 != gcd_test_~b#1); 457#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 456#L30-2 assume !!(0 != gcd_test_~b#1); 455#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 454#L30-2 assume !!(0 != gcd_test_~b#1); 448#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 447#L30-2 assume !!(0 != gcd_test_~b#1); 449#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 445#L30-2 [2023-11-19 08:02:11,304 INFO L750 eck$LassoCheckResult]: Loop: 445#L30-2 assume !!(0 != gcd_test_~b#1); 446#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 445#L30-2 [2023-11-19 08:02:11,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:11,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1044312667, now seen corresponding path program 3 times [2023-11-19 08:02:11,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:11,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351138449] [2023-11-19 08:02:11,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:11,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:11,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:11,535 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:11,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:11,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351138449] [2023-11-19 08:02:11,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351138449] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:02:11,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878388536] [2023-11-19 08:02:11,536 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-19 08:02:11,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:11,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:11,537 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:02:11,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2023-11-19 08:02:11,588 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-11-19 08:02:11,589 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 08:02:11,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 08:02:11,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:11,703 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:11,703 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:02:11,782 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:11,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878388536] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:02:11,782 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:02:11,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 15 [2023-11-19 08:02:11,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129065009] [2023-11-19 08:02:11,783 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:02:11,783 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 08:02:11,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:11,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 5 times [2023-11-19 08:02:11,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:11,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348028931] [2023-11-19 08:02:11,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:11,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:11,787 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:02:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:11,790 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:02:11,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:11,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-19 08:02:11,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-11-19 08:02:11,809 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. cyclomatic complexity: 4 Second operand has 16 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 16 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:11,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:11,892 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2023-11-19 08:02:11,892 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 23 transitions. [2023-11-19 08:02:11,893 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-19 08:02:11,893 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 20 states and 22 transitions. [2023-11-19 08:02:11,893 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2023-11-19 08:02:11,894 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-11-19 08:02:11,894 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 22 transitions. [2023-11-19 08:02:11,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 08:02:11,894 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 22 transitions. [2023-11-19 08:02:11,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 22 transitions. [2023-11-19 08:02:11,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2023-11-19 08:02:11,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.105263157894737) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:11,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2023-11-19 08:02:11,897 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2023-11-19 08:02:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:02:11,898 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 21 transitions. [2023-11-19 08:02:11,898 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-19 08:02:11,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 21 transitions. [2023-11-19 08:02:11,899 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-19 08:02:11,899 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:02:11,899 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:02:11,900 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 4, 2, 1, 1, 1, 1, 1] [2023-11-19 08:02:11,900 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 08:02:11,900 INFO L748 eck$LassoCheckResult]: Stem: 594#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(8, 2);call write~init~int(103, 2, 0, 1);call write~init~int(99, 2, 1, 1);call write~init~int(100, 2, 2, 1);call write~init~int(95, 2, 3, 1);call write~init~int(52, 2, 4, 1);call write~init~int(46, 2, 5, 1);call write~init~int(99, 2, 6, 1);call write~init~int(0, 2, 7, 1);call #Ultimate.allocInit(12, 3); 595#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~x~0#1, main_~y~0#1, main_~g~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~g~0#1;main_~x~0#1 := 63;main_~y~0#1 := 18;assume { :begin_inline_gcd_test } true;gcd_test_#in~a#1, gcd_test_#in~b#1 := main_~x~0#1, main_~y~0#1;havoc gcd_test_#res#1;havoc gcd_test_~a#1, gcd_test_~b#1;gcd_test_~a#1 := gcd_test_#in~a#1;gcd_test_~b#1 := gcd_test_#in~b#1; 590#L22 assume !(gcd_test_~a#1 < 0); 591#L22-2 assume !(gcd_test_~b#1 < 0); 596#L23-1 assume !(0 == gcd_test_~a#1); 597#L30-2 assume !!(0 != gcd_test_~b#1); 604#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 603#L30-2 assume !!(0 != gcd_test_~b#1); 602#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 601#L30-2 assume !!(0 != gcd_test_~b#1); 600#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 598#L30-2 assume !!(0 != gcd_test_~b#1); 599#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 588#L30-2 assume !!(0 != gcd_test_~b#1); 589#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 593#L30-2 assume !!(0 != gcd_test_~b#1); 592#L30 assume gcd_test_~a#1 > gcd_test_~b#1;gcd_test_~a#1 := gcd_test_~a#1 - gcd_test_~b#1; 586#L30-2 [2023-11-19 08:02:11,900 INFO L750 eck$LassoCheckResult]: Loop: 586#L30-2 assume !!(0 != gcd_test_~b#1); 587#L30 assume !(gcd_test_~a#1 > gcd_test_~b#1);gcd_test_~b#1 := gcd_test_~b#1 - gcd_test_~a#1; 586#L30-2 [2023-11-19 08:02:11,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:11,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1437871456, now seen corresponding path program 4 times [2023-11-19 08:02:11,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:11,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472050330] [2023-11-19 08:02:11,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:11,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:12,038 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:12,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:12,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472050330] [2023-11-19 08:02:12,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472050330] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:02:12,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940030236] [2023-11-19 08:02:12,039 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-19 08:02:12,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:12,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:12,044 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:02:12,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2023-11-19 08:02:12,090 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-19 08:02:12,090 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 08:02:12,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 08:02:12,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:12,236 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:12,236 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:02:12,392 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:12,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940030236] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:02:12,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:02:12,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2023-11-19 08:02:12,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135582085] [2023-11-19 08:02:12,393 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:02:12,394 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 08:02:12,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:12,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 6 times [2023-11-19 08:02:12,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:12,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487643484] [2023-11-19 08:02:12,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:12,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:12,398 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:02:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:12,400 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:02:12,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:12,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-19 08:02:12,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2023-11-19 08:02:12,420 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. cyclomatic complexity: 4 Second operand has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:12,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:12,541 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2023-11-19 08:02:12,541 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 15 transitions. [2023-11-19 08:02:12,542 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 08:02:12,542 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2023-11-19 08:02:12,551 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 08:02:12,551 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 08:02:12,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 08:02:12,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:02:12,552 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 08:02:12,552 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 08:02:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 08:02:12,552 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 08:02:12,552 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-19 08:02:12,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-19 08:02:12,553 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 08:02:12,553 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-19 08:02:12,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 08:02:12 BoogieIcfgContainer [2023-11-19 08:02:12,564 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 08:02:12,565 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:02:12,565 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:02:12,565 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:02:12,566 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:05" (3/4) ... [2023-11-19 08:02:12,568 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:02:12,570 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:02:12,570 INFO L158 Benchmark]: Toolchain (without parser) took 7674.84ms. Allocated memory was 125.8MB in the beginning and 174.1MB in the end (delta: 48.2MB). Free memory was 81.3MB in the beginning and 143.5MB in the end (delta: -62.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:02:12,571 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 125.8MB. Free memory was 97.8MB in the beginning and 97.7MB in the end (delta: 80.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:02:12,571 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.72ms. Allocated memory is still 125.8MB. Free memory was 81.1MB in the beginning and 70.8MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 08:02:12,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.74ms. Allocated memory is still 125.8MB. Free memory was 70.8MB in the beginning and 69.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:02:12,572 INFO L158 Benchmark]: Boogie Preprocessor took 41.89ms. Allocated memory is still 125.8MB. Free memory was 69.2MB in the beginning and 68.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:02:12,572 INFO L158 Benchmark]: RCFGBuilder took 328.17ms. Allocated memory is still 125.8MB. Free memory was 67.9MB in the beginning and 57.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 08:02:12,573 INFO L158 Benchmark]: BuchiAutomizer took 7003.12ms. Allocated memory was 125.8MB in the beginning and 174.1MB in the end (delta: 48.2MB). Free memory was 57.4MB in the beginning and 144.4MB in the end (delta: -87.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:02:12,573 INFO L158 Benchmark]: Witness Printer took 4.92ms. Allocated memory is still 174.1MB. Free memory was 144.4MB in the beginning and 143.5MB in the end (delta: 849.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:02:12,575 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75ms. Allocated memory is still 125.8MB. Free memory was 97.8MB in the beginning and 97.7MB in the end (delta: 80.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.72ms. Allocated memory is still 125.8MB. Free memory was 81.1MB in the beginning and 70.8MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.74ms. Allocated memory is still 125.8MB. Free memory was 70.8MB in the beginning and 69.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.89ms. Allocated memory is still 125.8MB. Free memory was 69.2MB in the beginning and 68.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 328.17ms. Allocated memory is still 125.8MB. Free memory was 67.9MB in the beginning and 57.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 7003.12ms. Allocated memory was 125.8MB in the beginning and 174.1MB in the end (delta: 48.2MB). Free memory was 57.4MB in the beginning and 144.4MB in the end (delta: -87.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.92ms. Allocated memory is still 174.1MB. Free memory was 144.4MB in the beginning and 143.5MB in the end (delta: 849.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (5 trivial, 0 deterministic, 1 nondeterministic). One nondeterministic module has affine ranking function b and consists of 7 locations. 5 modules have a trivial ranking function, the largest among these consists of 18 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.9s and 7 iterations. TraceHistogramMax:6. Analysis of lassos took 5.5s. Construction of modules took 0.2s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 77 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 44 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 288 IncrementalHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 33 mSDtfsCounter, 288 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN3 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital140 mio100 ax100 hnf100 lsp51 ukn44 mio100 lsp62 div100 bol100 ite100 ukn100 eq189 hnf92 smp100 dnf137 smp100 tf100 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 132ms VariablesStem: 2 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-19 08:02:12,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:12,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:13,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:13,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b323203-26a0-4ec4-87c7-dfec99f5065f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE