./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-simple/nested_4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/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_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-simple/nested_4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/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_d95941b9-9066-4d64-9364-ee9466f34719/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 fcf77da5263056f8d62c4caf3b92919690d80ef4ff864a75d0d8d1eec10bdccf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:35:11,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:35:11,588 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:35:11,596 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:35:11,597 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:35:11,642 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:35:11,643 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:35:11,644 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:35:11,645 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:35:11,651 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:35:11,652 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:35:11,653 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:35:11,653 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:35:11,655 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:35:11,656 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:35:11,656 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:35:11,657 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:35:11,658 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:35:11,658 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:35:11,659 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:35:11,659 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:35:11,660 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:35:11,660 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:35:11,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:35:11,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:35:11,661 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:35:11,662 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:35:11,662 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:35:11,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:35:11,663 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:35:11,665 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:35:11,665 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:35:11,665 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:35:11,666 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:35:11,666 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:35:11,666 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:35:11,667 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_d95941b9-9066-4d64-9364-ee9466f34719/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcf77da5263056f8d62c4caf3b92919690d80ef4ff864a75d0d8d1eec10bdccf [2023-11-19 07:35:12,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:35:12,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:35:12,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:35:12,109 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:35:12,110 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:35:12,112 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/loop-simple/nested_4.c [2023-11-19 07:35:15,538 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:35:15,805 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:35:15,805 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/sv-benchmarks/c/loop-simple/nested_4.c [2023-11-19 07:35:15,817 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/data/e26535743/a23db8237a9a4aebbc802e8c4e1192c2/FLAGeec0f2dad [2023-11-19 07:35:15,840 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/data/e26535743/a23db8237a9a4aebbc802e8c4e1192c2 [2023-11-19 07:35:15,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:35:15,853 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:35:15,860 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:15,861 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:35:15,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:35:15,871 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:15" (1/1) ... [2023-11-19 07:35:15,872 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@661a524a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:15, skipping insertion in model container [2023-11-19 07:35:15,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:15" (1/1) ... [2023-11-19 07:35:15,902 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:35:16,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:16,212 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:35:16,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:35:16,266 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:35:16,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:16 WrapperNode [2023-11-19 07:35:16,268 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:35:16,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:35:16,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:35:16,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:35:16,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:16" (1/1) ... [2023-11-19 07:35:16,294 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:16" (1/1) ... [2023-11-19 07:35:16,323 INFO L138 Inliner]: procedures = 10, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2023-11-19 07:35:16,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:35:16,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:35:16,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:35:16,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:35:16,340 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:16" (1/1) ... [2023-11-19 07:35:16,341 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:16" (1/1) ... [2023-11-19 07:35:16,355 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:16" (1/1) ... [2023-11-19 07:35:16,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:16" (1/1) ... [2023-11-19 07:35:16,359 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:16" (1/1) ... [2023-11-19 07:35:16,371 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:16" (1/1) ... [2023-11-19 07:35:16,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:16" (1/1) ... [2023-11-19 07:35:16,385 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:16" (1/1) ... [2023-11-19 07:35:16,388 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:35:16,389 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:35:16,390 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:35:16,391 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:35:16,392 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:16" (1/1) ... [2023-11-19 07:35:16,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:16,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:16,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:16,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:35:16,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:35:16,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:35:16,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:35:16,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:35:16,617 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:35:16,624 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:35:16,873 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:35:16,888 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:35:16,889 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-19 07:35:16,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:16 BoogieIcfgContainer [2023-11-19 07:35:16,894 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:35:16,896 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:35:16,896 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:35:16,902 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:35:16,903 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:35:16,904 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:35:15" (1/3) ... [2023-11-19 07:35:16,905 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bdf58d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:35:16, skipping insertion in model container [2023-11-19 07:35:16,906 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:35:16,906 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:16" (2/3) ... [2023-11-19 07:35:16,906 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bdf58d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:35:16, skipping insertion in model container [2023-11-19 07:35:16,907 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:35:16,907 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:16" (3/3) ... [2023-11-19 07:35:16,909 INFO L332 chiAutomizerObserver]: Analyzing ICFG nested_4.c [2023-11-19 07:35:16,998 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:35:16,998 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:35:16,999 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:35:16,999 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:35:16,999 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:35:16,999 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:35:17,000 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:35:17,000 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:35:17,006 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:17,028 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-19 07:35:17,028 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:35:17,029 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:35:17,035 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:35:17,035 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:35:17,036 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:35:17,036 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:17,038 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-19 07:35:17,038 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:35:17,038 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:35:17,039 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:35:17,039 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:35:17,048 INFO L748 eck$LassoCheckResult]: Stem: 12#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~pre7#1, main_#t~pre6#1, main_#t~pre5#1, main_#t~pre4#1, main_~a~0#1, main_~b~0#1, main_~c~0#1, main_~d~0#1;main_~a~0#1 := 6;main_~b~0#1 := 6;main_~c~0#1 := 6;main_~d~0#1 := 6;main_~a~0#1 := 0; 13#L22-3true [2023-11-19 07:35:17,049 INFO L750 eck$LassoCheckResult]: Loop: 13#L22-3true assume !!(main_~a~0#1 < 6);main_~b~0#1 := 0; 14#L23-3true assume !(main_~b~0#1 < 6); 7#L22-2true main_#t~pre4#1 := 1 + main_~a~0#1;main_~a~0#1 := 1 + main_~a~0#1;havoc main_#t~pre4#1; 13#L22-3true [2023-11-19 07:35:17,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:17,057 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-19 07:35:17,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:17,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9296026] [2023-11-19 07:35:17,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:17,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:17,233 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:17,294 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:17,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:17,300 INFO L85 PathProgramCache]: Analyzing trace with hash 39945, now seen corresponding path program 1 times [2023-11-19 07:35:17,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:17,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51260427] [2023-11-19 07:35:17,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:17,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:17,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:17,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:17,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51260427] [2023-11-19 07:35:17,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51260427] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:17,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:17,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:35:17,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848561962] [2023-11-19 07:35:17,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:17,465 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:35:17,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:17,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:35:17,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:35:17,529 INFO L87 Difference]: Start difference. First operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:17,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:17,592 INFO L93 Difference]: Finished difference Result 21 states and 26 transitions. [2023-11-19 07:35:17,594 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 26 transitions. [2023-11-19 07:35:17,597 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2023-11-19 07:35:17,605 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 16 states and 21 transitions. [2023-11-19 07:35:17,607 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2023-11-19 07:35:17,608 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2023-11-19 07:35:17,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2023-11-19 07:35:17,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:35:17,611 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2023-11-19 07:35:17,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2023-11-19 07:35:17,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 11. [2023-11-19 07:35:17,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 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 07:35:17,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2023-11-19 07:35:17,658 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2023-11-19 07:35:17,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:35:17,668 INFO L428 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2023-11-19 07:35:17,669 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:35:17,669 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2023-11-19 07:35:17,671 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2023-11-19 07:35:17,672 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:35:17,672 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:35:17,673 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:35:17,673 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:35:17,674 INFO L748 eck$LassoCheckResult]: Stem: 52#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 53#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~pre7#1, main_#t~pre6#1, main_#t~pre5#1, main_#t~pre4#1, main_~a~0#1, main_~b~0#1, main_~c~0#1, main_~d~0#1;main_~a~0#1 := 6;main_~b~0#1 := 6;main_~c~0#1 := 6;main_~d~0#1 := 6;main_~a~0#1 := 0; 55#L22-3 [2023-11-19 07:35:17,674 INFO L750 eck$LassoCheckResult]: Loop: 55#L22-3 assume !!(main_~a~0#1 < 6);main_~b~0#1 := 0; 54#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 49#L24-3 assume !(main_~c~0#1 < 6); 50#L23-2 main_#t~pre5#1 := 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1;havoc main_#t~pre5#1; 51#L23-3 assume !(main_~b~0#1 < 6); 56#L22-2 main_#t~pre4#1 := 1 + main_~a~0#1;main_~a~0#1 := 1 + main_~a~0#1;havoc main_#t~pre4#1; 55#L22-3 [2023-11-19 07:35:17,675 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:17,676 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2023-11-19 07:35:17,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:17,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244127282] [2023-11-19 07:35:17,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:17,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:17,710 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:17,721 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:17,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:17,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1191176381, now seen corresponding path program 1 times [2023-11-19 07:35:17,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:17,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116431308] [2023-11-19 07:35:17,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:17,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:17,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:17,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:17,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116431308] [2023-11-19 07:35:17,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116431308] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:17,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:17,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:35:17,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712501029] [2023-11-19 07:35:17,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:17,762 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:35:17,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:17,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:35:17,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:35:17,764 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:17,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:17,781 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2023-11-19 07:35:17,781 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2023-11-19 07:35:17,783 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2023-11-19 07:35:17,784 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 19 transitions. [2023-11-19 07:35:17,784 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2023-11-19 07:35:17,785 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-11-19 07:35:17,785 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2023-11-19 07:35:17,785 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:35:17,786 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2023-11-19 07:35:17,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2023-11-19 07:35:17,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 12. [2023-11-19 07:35:17,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:17,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2023-11-19 07:35:17,790 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2023-11-19 07:35:17,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:35:17,792 INFO L428 stractBuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2023-11-19 07:35:17,792 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:35:17,793 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2023-11-19 07:35:17,794 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2023-11-19 07:35:17,794 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:35:17,794 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:35:17,795 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:35:17,795 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:17,796 INFO L748 eck$LassoCheckResult]: Stem: 84#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 85#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~pre7#1, main_#t~pre6#1, main_#t~pre5#1, main_#t~pre4#1, main_~a~0#1, main_~b~0#1, main_~c~0#1, main_~d~0#1;main_~a~0#1 := 6;main_~b~0#1 := 6;main_~c~0#1 := 6;main_~d~0#1 := 6;main_~a~0#1 := 0; 86#L22-3 [2023-11-19 07:35:17,796 INFO L750 eck$LassoCheckResult]: Loop: 86#L22-3 assume !!(main_~a~0#1 < 6);main_~b~0#1 := 0; 87#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 88#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 79#L25-3 assume !(main_~d~0#1 < 6); 80#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 81#L24-3 assume !(main_~c~0#1 < 6); 82#L23-2 main_#t~pre5#1 := 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1;havoc main_#t~pre5#1; 83#L23-3 assume !(main_~b~0#1 < 6); 89#L22-2 main_#t~pre4#1 := 1 + main_~a~0#1;main_~a~0#1 := 1 + main_~a~0#1;havoc main_#t~pre4#1; 86#L22-3 [2023-11-19 07:35:17,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:17,797 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2023-11-19 07:35:17,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:17,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307486872] [2023-11-19 07:35:17,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:17,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:17,809 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:17,819 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:17,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:17,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1526250579, now seen corresponding path program 1 times [2023-11-19 07:35:17,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:17,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91674892] [2023-11-19 07:35:17,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:17,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:17,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:17,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:17,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91674892] [2023-11-19 07:35:17,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91674892] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:35:17,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:35:17,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:35:17,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049547012] [2023-11-19 07:35:17,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:35:17,867 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:35:17,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:17,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:35:17,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:35:17,870 INFO L87 Difference]: Start difference. First operand 12 states and 15 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:17,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:17,885 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2023-11-19 07:35:17,885 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2023-11-19 07:35:17,886 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2023-11-19 07:35:17,887 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 17 transitions. [2023-11-19 07:35:17,888 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-19 07:35:17,888 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-19 07:35:17,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2023-11-19 07:35:17,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:35:17,889 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2023-11-19 07:35:17,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2023-11-19 07:35:17,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2023-11-19 07:35:17,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:17,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2023-11-19 07:35:17,922 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2023-11-19 07:35:17,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:35:17,929 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2023-11-19 07:35:17,929 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-19 07:35:17,929 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2023-11-19 07:35:17,930 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 11 [2023-11-19 07:35:17,931 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:35:17,931 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:35:17,932 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:35:17,932 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:17,933 INFO L748 eck$LassoCheckResult]: Stem: 117#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 118#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~pre7#1, main_#t~pre6#1, main_#t~pre5#1, main_#t~pre4#1, main_~a~0#1, main_~b~0#1, main_~c~0#1, main_~d~0#1;main_~a~0#1 := 6;main_~b~0#1 := 6;main_~c~0#1 := 6;main_~d~0#1 := 6;main_~a~0#1 := 0; 119#L22-3 [2023-11-19 07:35:17,933 INFO L750 eck$LassoCheckResult]: Loop: 119#L22-3 assume !!(main_~a~0#1 < 6);main_~b~0#1 := 0; 120#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 121#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 116#L25-3 assume !!(main_~d~0#1 < 6); 110#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 111#L25-3 assume !(main_~d~0#1 < 6); 112#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 113#L24-3 assume !(main_~c~0#1 < 6); 114#L23-2 main_#t~pre5#1 := 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1;havoc main_#t~pre5#1; 115#L23-3 assume !(main_~b~0#1 < 6); 122#L22-2 main_#t~pre4#1 := 1 + main_~a~0#1;main_~a~0#1 := 1 + main_~a~0#1;havoc main_#t~pre4#1; 119#L22-3 [2023-11-19 07:35:17,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:17,934 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 4 times [2023-11-19 07:35:17,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:17,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59378650] [2023-11-19 07:35:17,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:17,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:17,949 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:17,975 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:17,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:17,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1981778385, now seen corresponding path program 1 times [2023-11-19 07:35:17,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:17,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122493670] [2023-11-19 07:35:17,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:17,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:18,094 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:18,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:18,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122493670] [2023-11-19 07:35:18,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122493670] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:35:18,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144472659] [2023-11-19 07:35:18,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:18,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:35:18,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:18,109 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:35:18,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:35:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:18,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:35:18,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:18,277 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:18,278 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:35:18,340 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:18,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144472659] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:35:18,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:35:18,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2023-11-19 07:35:18,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284912660] [2023-11-19 07:35:18,343 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:35:18,344 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:35:18,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:18,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:35:18,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:35:18,349 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. cyclomatic complexity: 4 Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:18,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:18,409 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2023-11-19 07:35:18,410 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 22 transitions. [2023-11-19 07:35:18,414 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 17 [2023-11-19 07:35:18,421 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 22 transitions. [2023-11-19 07:35:18,422 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-11-19 07:35:18,422 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2023-11-19 07:35:18,422 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 22 transitions. [2023-11-19 07:35:18,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:35:18,423 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 22 transitions. [2023-11-19 07:35:18,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 22 transitions. [2023-11-19 07:35:18,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-19 07:35:18,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 18 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:18,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2023-11-19 07:35:18,432 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 22 transitions. [2023-11-19 07:35:18,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:35:18,437 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 22 transitions. [2023-11-19 07:35:18,437 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-19 07:35:18,437 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 22 transitions. [2023-11-19 07:35:18,438 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 17 [2023-11-19 07:35:18,438 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:35:18,439 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:35:18,441 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:35:18,441 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:18,441 INFO L748 eck$LassoCheckResult]: Stem: 218#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 219#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~pre7#1, main_#t~pre6#1, main_#t~pre5#1, main_#t~pre4#1, main_~a~0#1, main_~b~0#1, main_~c~0#1, main_~d~0#1;main_~a~0#1 := 6;main_~b~0#1 := 6;main_~c~0#1 := 6;main_~d~0#1 := 6;main_~a~0#1 := 0; 220#L22-3 [2023-11-19 07:35:18,442 INFO L750 eck$LassoCheckResult]: Loop: 220#L22-3 assume !!(main_~a~0#1 < 6);main_~b~0#1 := 0; 221#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 222#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 217#L25-3 assume !!(main_~d~0#1 < 6); 211#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 212#L25-3 assume !!(main_~d~0#1 < 6); 229#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 228#L25-3 assume !!(main_~d~0#1 < 6); 227#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 226#L25-3 assume !!(main_~d~0#1 < 6); 225#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 224#L25-3 assume !(main_~d~0#1 < 6); 213#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 214#L24-3 assume !(main_~c~0#1 < 6); 215#L23-2 main_#t~pre5#1 := 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1;havoc main_#t~pre5#1; 216#L23-3 assume !(main_~b~0#1 < 6); 223#L22-2 main_#t~pre4#1 := 1 + main_~a~0#1;main_~a~0#1 := 1 + main_~a~0#1;havoc main_#t~pre4#1; 220#L22-3 [2023-11-19 07:35:18,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:18,443 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 5 times [2023-11-19 07:35:18,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:18,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138673216] [2023-11-19 07:35:18,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:18,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:18,468 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:18,486 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:18,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:18,488 INFO L85 PathProgramCache]: Analyzing trace with hash 669317813, now seen corresponding path program 2 times [2023-11-19 07:35:18,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:18,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124278778] [2023-11-19 07:35:18,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:18,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:18,630 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 07:35:18,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:18,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124278778] [2023-11-19 07:35:18,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124278778] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:35:18,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653852164] [2023-11-19 07:35:18,634 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 07:35:18,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:35:18,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:18,669 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:35:18,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:35:18,739 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-19 07:35:18,739 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:35:18,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:35:18,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:18,853 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:18,854 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:35:18,952 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:18,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653852164] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:35:18,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:35:18,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7, 7] total 10 [2023-11-19 07:35:18,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935495319] [2023-11-19 07:35:18,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:35:18,954 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:35:18,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:18,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 07:35:18,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:35:18,956 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. cyclomatic complexity: 4 Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:19,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:19,189 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2023-11-19 07:35:19,189 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 57 transitions. [2023-11-19 07:35:19,191 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 50 [2023-11-19 07:35:19,192 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 52 states and 57 transitions. [2023-11-19 07:35:19,192 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2023-11-19 07:35:19,193 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2023-11-19 07:35:19,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 57 transitions. [2023-11-19 07:35:19,194 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:35:19,194 INFO L218 hiAutomatonCegarLoop]: Abstraction has 52 states and 57 transitions. [2023-11-19 07:35:19,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 57 transitions. [2023-11-19 07:35:19,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 38. [2023-11-19 07:35:19,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.105263157894737) internal successors, (42), 37 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:19,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2023-11-19 07:35:19,199 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 42 transitions. [2023-11-19 07:35:19,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-19 07:35:19,201 INFO L428 stractBuchiCegarLoop]: Abstraction has 38 states and 42 transitions. [2023-11-19 07:35:19,201 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-19 07:35:19,201 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 42 transitions. [2023-11-19 07:35:19,203 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 36 [2023-11-19 07:35:19,203 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:35:19,203 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:35:19,204 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:35:19,205 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [12, 12, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:19,205 INFO L748 eck$LassoCheckResult]: Stem: 422#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 423#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~pre7#1, main_#t~pre6#1, main_#t~pre5#1, main_#t~pre4#1, main_~a~0#1, main_~b~0#1, main_~c~0#1, main_~d~0#1;main_~a~0#1 := 6;main_~b~0#1 := 6;main_~c~0#1 := 6;main_~d~0#1 := 6;main_~a~0#1 := 0; 426#L22-3 [2023-11-19 07:35:19,205 INFO L750 eck$LassoCheckResult]: Loop: 426#L22-3 assume !!(main_~a~0#1 < 6);main_~b~0#1 := 0; 424#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 425#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 443#L25-3 assume !!(main_~d~0#1 < 6); 442#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 441#L25-3 assume !!(main_~d~0#1 < 6); 440#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 439#L25-3 assume !!(main_~d~0#1 < 6); 438#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 437#L25-3 assume !!(main_~d~0#1 < 6); 436#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 435#L25-3 assume !!(main_~d~0#1 < 6); 434#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 433#L25-3 assume !!(main_~d~0#1 < 6); 432#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 431#L25-3 assume !(main_~d~0#1 < 6); 417#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 418#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 427#L25-3 assume !!(main_~d~0#1 < 6); 415#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 416#L25-3 assume !!(main_~d~0#1 < 6); 421#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 452#L25-3 assume !!(main_~d~0#1 < 6); 451#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 450#L25-3 assume !!(main_~d~0#1 < 6); 449#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 448#L25-3 assume !!(main_~d~0#1 < 6); 447#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 446#L25-3 assume !!(main_~d~0#1 < 6); 445#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 444#L25-3 assume !(main_~d~0#1 < 6); 430#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 429#L24-3 assume !(main_~c~0#1 < 6); 419#L23-2 main_#t~pre5#1 := 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1;havoc main_#t~pre5#1; 420#L23-3 assume !(main_~b~0#1 < 6); 428#L22-2 main_#t~pre4#1 := 1 + main_~a~0#1;main_~a~0#1 := 1 + main_~a~0#1;havoc main_#t~pre4#1; 426#L22-3 [2023-11-19 07:35:19,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:19,206 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 6 times [2023-11-19 07:35:19,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:19,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56849361] [2023-11-19 07:35:19,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:19,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:19,214 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:19,220 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:19,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:19,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1141890755, now seen corresponding path program 3 times [2023-11-19 07:35:19,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:19,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146721202] [2023-11-19 07:35:19,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:19,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:19,348 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2023-11-19 07:35:19,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:19,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146721202] [2023-11-19 07:35:19,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146721202] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:35:19,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389843537] [2023-11-19 07:35:19,349 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-19 07:35:19,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:35:19,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:19,353 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:35:19,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:35:19,421 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-19 07:35:19,422 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:35:19,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:35:19,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:19,569 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2023-11-19 07:35:19,569 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:35:19,694 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2023-11-19 07:35:19,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389843537] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:35:19,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:35:19,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2023-11-19 07:35:19,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484540149] [2023-11-19 07:35:19,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:35:19,696 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:35:19,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:19,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:35:19,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:35:19,698 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 3.5) internal successors, (21), 5 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 07:35:19,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:19,754 INFO L93 Difference]: Finished difference Result 137 states and 150 transitions. [2023-11-19 07:35:19,754 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 137 states and 150 transitions. [2023-11-19 07:35:19,757 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 135 [2023-11-19 07:35:19,759 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 137 states to 137 states and 150 transitions. [2023-11-19 07:35:19,759 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 137 [2023-11-19 07:35:19,760 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 137 [2023-11-19 07:35:19,760 INFO L73 IsDeterministic]: Start isDeterministic. Operand 137 states and 150 transitions. [2023-11-19 07:35:19,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:35:19,762 INFO L218 hiAutomatonCegarLoop]: Abstraction has 137 states and 150 transitions. [2023-11-19 07:35:19,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states and 150 transitions. [2023-11-19 07:35:19,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2023-11-19 07:35:19,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 137 states have (on average 1.094890510948905) internal successors, (150), 136 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:19,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 150 transitions. [2023-11-19 07:35:19,776 INFO L240 hiAutomatonCegarLoop]: Abstraction has 137 states and 150 transitions. [2023-11-19 07:35:19,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:35:19,777 INFO L428 stractBuchiCegarLoop]: Abstraction has 137 states and 150 transitions. [2023-11-19 07:35:19,778 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-19 07:35:19,778 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states and 150 transitions. [2023-11-19 07:35:19,780 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 135 [2023-11-19 07:35:19,780 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:35:19,781 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:35:19,784 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:35:19,784 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [48, 48, 8, 8, 8, 4, 4, 4, 1, 1, 1] [2023-11-19 07:35:19,785 INFO L748 eck$LassoCheckResult]: Stem: 816#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 817#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~pre7#1, main_#t~pre6#1, main_#t~pre5#1, main_#t~pre4#1, main_~a~0#1, main_~b~0#1, main_~c~0#1, main_~d~0#1;main_~a~0#1 := 6;main_~b~0#1 := 6;main_~c~0#1 := 6;main_~d~0#1 := 6;main_~a~0#1 := 0; 820#L22-3 [2023-11-19 07:35:19,785 INFO L750 eck$LassoCheckResult]: Loop: 820#L22-3 assume !!(main_~a~0#1 < 6);main_~b~0#1 := 0; 818#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 819#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 815#L25-3 assume !!(main_~d~0#1 < 6); 809#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 810#L25-3 assume !!(main_~d~0#1 < 6); 941#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 939#L25-3 assume !!(main_~d~0#1 < 6); 937#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 935#L25-3 assume !!(main_~d~0#1 < 6); 933#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 931#L25-3 assume !!(main_~d~0#1 < 6); 929#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 927#L25-3 assume !!(main_~d~0#1 < 6); 925#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 924#L25-3 assume !(main_~d~0#1 < 6); 811#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 812#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 893#L25-3 assume !!(main_~d~0#1 < 6); 919#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 917#L25-3 assume !!(main_~d~0#1 < 6); 915#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 913#L25-3 assume !!(main_~d~0#1 < 6); 911#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 909#L25-3 assume !!(main_~d~0#1 < 6); 907#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 905#L25-3 assume !!(main_~d~0#1 < 6); 903#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 901#L25-3 assume !!(main_~d~0#1 < 6); 899#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 898#L25-3 assume !(main_~d~0#1 < 6); 895#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 892#L24-3 assume !(main_~c~0#1 < 6); 813#L23-2 main_#t~pre5#1 := 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1;havoc main_#t~pre5#1; 814#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 945#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 944#L25-3 assume !!(main_~d~0#1 < 6); 943#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 942#L25-3 assume !!(main_~d~0#1 < 6); 940#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 938#L25-3 assume !!(main_~d~0#1 < 6); 936#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 934#L25-3 assume !!(main_~d~0#1 < 6); 932#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 930#L25-3 assume !!(main_~d~0#1 < 6); 928#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 926#L25-3 assume !!(main_~d~0#1 < 6); 923#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 922#L25-3 assume !(main_~d~0#1 < 6); 921#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 920#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 891#L25-3 assume !!(main_~d~0#1 < 6); 918#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 916#L25-3 assume !!(main_~d~0#1 < 6); 914#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 912#L25-3 assume !!(main_~d~0#1 < 6); 910#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 908#L25-3 assume !!(main_~d~0#1 < 6); 906#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 904#L25-3 assume !!(main_~d~0#1 < 6); 902#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 900#L25-3 assume !!(main_~d~0#1 < 6); 897#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 896#L25-3 assume !(main_~d~0#1 < 6); 894#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 890#L24-3 assume !(main_~c~0#1 < 6); 889#L23-2 main_#t~pre5#1 := 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1;havoc main_#t~pre5#1; 888#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 887#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 886#L25-3 assume !!(main_~d~0#1 < 6); 885#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 884#L25-3 assume !!(main_~d~0#1 < 6); 883#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 882#L25-3 assume !!(main_~d~0#1 < 6); 881#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 880#L25-3 assume !!(main_~d~0#1 < 6); 879#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 878#L25-3 assume !!(main_~d~0#1 < 6); 877#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 876#L25-3 assume !!(main_~d~0#1 < 6); 875#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 874#L25-3 assume !(main_~d~0#1 < 6); 873#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 872#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 858#L25-3 assume !!(main_~d~0#1 < 6); 871#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 870#L25-3 assume !!(main_~d~0#1 < 6); 869#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 868#L25-3 assume !!(main_~d~0#1 < 6); 867#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 866#L25-3 assume !!(main_~d~0#1 < 6); 865#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 864#L25-3 assume !!(main_~d~0#1 < 6); 863#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 862#L25-3 assume !!(main_~d~0#1 < 6); 861#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 860#L25-3 assume !(main_~d~0#1 < 6); 859#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 857#L24-3 assume !(main_~c~0#1 < 6); 856#L23-2 main_#t~pre5#1 := 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1;havoc main_#t~pre5#1; 855#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 823#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 854#L25-3 assume !!(main_~d~0#1 < 6); 853#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 852#L25-3 assume !!(main_~d~0#1 < 6); 851#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 850#L25-3 assume !!(main_~d~0#1 < 6); 849#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 848#L25-3 assume !!(main_~d~0#1 < 6); 847#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 846#L25-3 assume !!(main_~d~0#1 < 6); 845#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 844#L25-3 assume !!(main_~d~0#1 < 6); 843#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 842#L25-3 assume !(main_~d~0#1 < 6); 841#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 840#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 826#L25-3 assume !!(main_~d~0#1 < 6); 839#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 838#L25-3 assume !!(main_~d~0#1 < 6); 837#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 836#L25-3 assume !!(main_~d~0#1 < 6); 835#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 834#L25-3 assume !!(main_~d~0#1 < 6); 833#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 832#L25-3 assume !!(main_~d~0#1 < 6); 831#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 830#L25-3 assume !!(main_~d~0#1 < 6); 829#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 828#L25-3 assume !(main_~d~0#1 < 6); 827#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 825#L24-3 assume !(main_~c~0#1 < 6); 824#L23-2 main_#t~pre5#1 := 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1;havoc main_#t~pre5#1; 822#L23-3 assume !(main_~b~0#1 < 6); 821#L22-2 main_#t~pre4#1 := 1 + main_~a~0#1;main_~a~0#1 := 1 + main_~a~0#1;havoc main_#t~pre4#1; 820#L22-3 [2023-11-19 07:35:19,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:19,787 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 7 times [2023-11-19 07:35:19,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:19,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740056977] [2023-11-19 07:35:19,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:19,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:19,795 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:19,801 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:19,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:19,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1405490935, now seen corresponding path program 4 times [2023-11-19 07:35:19,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:19,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269456925] [2023-11-19 07:35:19,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:19,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:20,086 INFO L134 CoverageAnalysis]: Checked inductivity of 2778 backedges. 1063 proven. 89 refuted. 0 times theorem prover too weak. 1626 trivial. 0 not checked. [2023-11-19 07:35:20,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:20,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269456925] [2023-11-19 07:35:20,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269456925] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:35:20,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409696644] [2023-11-19 07:35:20,088 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-19 07:35:20,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:35:20,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:20,102 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:35:20,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 07:35:20,229 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-19 07:35:20,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:35:20,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:35:20,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:20,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2778 backedges. 1063 proven. 89 refuted. 0 times theorem prover too weak. 1626 trivial. 0 not checked. [2023-11-19 07:35:20,336 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:35:20,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2778 backedges. 1063 proven. 89 refuted. 0 times theorem prover too weak. 1626 trivial. 0 not checked. [2023-11-19 07:35:20,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409696644] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:35:20,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:35:20,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2023-11-19 07:35:20,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141286971] [2023-11-19 07:35:20,467 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:35:20,470 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:35:20,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:20,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:35:20,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:35:20,472 INFO L87 Difference]: Start difference. First operand 137 states and 150 transitions. cyclomatic complexity: 14 Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:20,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:20,526 INFO L93 Difference]: Finished difference Result 377 states and 406 transitions. [2023-11-19 07:35:20,526 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 377 states and 406 transitions. [2023-11-19 07:35:20,537 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 375 [2023-11-19 07:35:20,545 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 377 states to 377 states and 406 transitions. [2023-11-19 07:35:20,545 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 377 [2023-11-19 07:35:20,548 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 377 [2023-11-19 07:35:20,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 377 states and 406 transitions. [2023-11-19 07:35:20,554 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:35:20,558 INFO L218 hiAutomatonCegarLoop]: Abstraction has 377 states and 406 transitions. [2023-11-19 07:35:20,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states and 406 transitions. [2023-11-19 07:35:20,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2023-11-19 07:35:20,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 377 states have (on average 1.0769230769230769) internal successors, (406), 376 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:20,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 406 transitions. [2023-11-19 07:35:20,613 INFO L240 hiAutomatonCegarLoop]: Abstraction has 377 states and 406 transitions. [2023-11-19 07:35:20,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:35:20,615 INFO L428 stractBuchiCegarLoop]: Abstraction has 377 states and 406 transitions. [2023-11-19 07:35:20,615 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-19 07:35:20,615 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 377 states and 406 transitions. [2023-11-19 07:35:20,619 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 375 [2023-11-19 07:35:20,619 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:35:20,619 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:35:20,631 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:35:20,631 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [144, 144, 24, 24, 24, 4, 4, 4, 1, 1, 1] [2023-11-19 07:35:20,632 INFO L748 eck$LassoCheckResult]: Stem: 2145#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 2146#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~pre7#1, main_#t~pre6#1, main_#t~pre5#1, main_#t~pre4#1, main_~a~0#1, main_~b~0#1, main_~c~0#1, main_~d~0#1;main_~a~0#1 := 6;main_~b~0#1 := 6;main_~c~0#1 := 6;main_~d~0#1 := 6;main_~a~0#1 := 0; 2149#L22-3 [2023-11-19 07:35:20,633 INFO L750 eck$LassoCheckResult]: Loop: 2149#L22-3 assume !!(main_~a~0#1 < 6);main_~b~0#1 := 0; 2147#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 2148#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 2144#L25-3 assume !!(main_~d~0#1 < 6); 2138#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2139#L25-3 assume !!(main_~d~0#1 < 6); 2510#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2508#L25-3 assume !!(main_~d~0#1 < 6); 2506#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2504#L25-3 assume !!(main_~d~0#1 < 6); 2502#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2500#L25-3 assume !!(main_~d~0#1 < 6); 2498#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2496#L25-3 assume !!(main_~d~0#1 < 6); 2494#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2493#L25-3 assume !(main_~d~0#1 < 6); 2140#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 2141#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 2488#L25-3 assume !!(main_~d~0#1 < 6); 2486#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2484#L25-3 assume !!(main_~d~0#1 < 6); 2482#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2480#L25-3 assume !!(main_~d~0#1 < 6); 2478#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2476#L25-3 assume !!(main_~d~0#1 < 6); 2474#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2472#L25-3 assume !!(main_~d~0#1 < 6); 2470#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2468#L25-3 assume !!(main_~d~0#1 < 6); 2466#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2465#L25-3 assume !(main_~d~0#1 < 6); 2462#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 2460#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 2458#L25-3 assume !!(main_~d~0#1 < 6); 2456#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2454#L25-3 assume !!(main_~d~0#1 < 6); 2452#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2450#L25-3 assume !!(main_~d~0#1 < 6); 2448#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2446#L25-3 assume !!(main_~d~0#1 < 6); 2444#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2442#L25-3 assume !!(main_~d~0#1 < 6); 2440#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2438#L25-3 assume !!(main_~d~0#1 < 6); 2436#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2435#L25-3 assume !(main_~d~0#1 < 6); 2432#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 2430#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 2428#L25-3 assume !!(main_~d~0#1 < 6); 2426#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2424#L25-3 assume !!(main_~d~0#1 < 6); 2422#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2420#L25-3 assume !!(main_~d~0#1 < 6); 2418#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2416#L25-3 assume !!(main_~d~0#1 < 6); 2414#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2412#L25-3 assume !!(main_~d~0#1 < 6); 2410#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2408#L25-3 assume !!(main_~d~0#1 < 6); 2406#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2405#L25-3 assume !(main_~d~0#1 < 6); 2402#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 2400#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 2398#L25-3 assume !!(main_~d~0#1 < 6); 2396#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2394#L25-3 assume !!(main_~d~0#1 < 6); 2392#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2390#L25-3 assume !!(main_~d~0#1 < 6); 2388#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2386#L25-3 assume !!(main_~d~0#1 < 6); 2384#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2382#L25-3 assume !!(main_~d~0#1 < 6); 2380#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2378#L25-3 assume !!(main_~d~0#1 < 6); 2376#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2375#L25-3 assume !(main_~d~0#1 < 6); 2372#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 2370#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 2342#L25-3 assume !!(main_~d~0#1 < 6); 2368#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2366#L25-3 assume !!(main_~d~0#1 < 6); 2364#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2362#L25-3 assume !!(main_~d~0#1 < 6); 2360#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2358#L25-3 assume !!(main_~d~0#1 < 6); 2356#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2354#L25-3 assume !!(main_~d~0#1 < 6); 2352#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2350#L25-3 assume !!(main_~d~0#1 < 6); 2348#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2347#L25-3 assume !(main_~d~0#1 < 6); 2344#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 2341#L24-3 assume !(main_~c~0#1 < 6); 2142#L23-2 main_#t~pre5#1 := 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1;havoc main_#t~pre5#1; 2143#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 2514#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 2513#L25-3 assume !!(main_~d~0#1 < 6); 2512#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2511#L25-3 assume !!(main_~d~0#1 < 6); 2509#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2507#L25-3 assume !!(main_~d~0#1 < 6); 2505#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2503#L25-3 assume !!(main_~d~0#1 < 6); 2501#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2499#L25-3 assume !!(main_~d~0#1 < 6); 2497#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2495#L25-3 assume !!(main_~d~0#1 < 6); 2492#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2491#L25-3 assume !(main_~d~0#1 < 6); 2490#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 2489#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 2487#L25-3 assume !!(main_~d~0#1 < 6); 2485#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2483#L25-3 assume !!(main_~d~0#1 < 6); 2481#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2479#L25-3 assume !!(main_~d~0#1 < 6); 2477#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2475#L25-3 assume !!(main_~d~0#1 < 6); 2473#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2471#L25-3 assume !!(main_~d~0#1 < 6); 2469#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2467#L25-3 assume !!(main_~d~0#1 < 6); 2464#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2463#L25-3 assume !(main_~d~0#1 < 6); 2461#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 2459#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 2457#L25-3 assume !!(main_~d~0#1 < 6); 2455#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2453#L25-3 assume !!(main_~d~0#1 < 6); 2451#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2449#L25-3 assume !!(main_~d~0#1 < 6); 2447#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2445#L25-3 assume !!(main_~d~0#1 < 6); 2443#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2441#L25-3 assume !!(main_~d~0#1 < 6); 2439#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2437#L25-3 assume !!(main_~d~0#1 < 6); 2434#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2433#L25-3 assume !(main_~d~0#1 < 6); 2431#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 2429#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 2427#L25-3 assume !!(main_~d~0#1 < 6); 2425#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2423#L25-3 assume !!(main_~d~0#1 < 6); 2421#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2419#L25-3 assume !!(main_~d~0#1 < 6); 2417#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2415#L25-3 assume !!(main_~d~0#1 < 6); 2413#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2411#L25-3 assume !!(main_~d~0#1 < 6); 2409#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2407#L25-3 assume !!(main_~d~0#1 < 6); 2404#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2403#L25-3 assume !(main_~d~0#1 < 6); 2401#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 2399#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 2397#L25-3 assume !!(main_~d~0#1 < 6); 2395#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2393#L25-3 assume !!(main_~d~0#1 < 6); 2391#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2389#L25-3 assume !!(main_~d~0#1 < 6); 2387#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2385#L25-3 assume !!(main_~d~0#1 < 6); 2383#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2381#L25-3 assume !!(main_~d~0#1 < 6); 2379#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2377#L25-3 assume !!(main_~d~0#1 < 6); 2374#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2373#L25-3 assume !(main_~d~0#1 < 6); 2371#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 2369#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 2340#L25-3 assume !!(main_~d~0#1 < 6); 2367#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2365#L25-3 assume !!(main_~d~0#1 < 6); 2363#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2361#L25-3 assume !!(main_~d~0#1 < 6); 2359#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2357#L25-3 assume !!(main_~d~0#1 < 6); 2355#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2353#L25-3 assume !!(main_~d~0#1 < 6); 2351#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2349#L25-3 assume !!(main_~d~0#1 < 6); 2346#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2345#L25-3 assume !(main_~d~0#1 < 6); 2343#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 2339#L24-3 assume !(main_~c~0#1 < 6); 2338#L23-2 main_#t~pre5#1 := 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1;havoc main_#t~pre5#1; 2337#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 2336#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 2335#L25-3 assume !!(main_~d~0#1 < 6); 2334#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2333#L25-3 assume !!(main_~d~0#1 < 6); 2332#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2331#L25-3 assume !!(main_~d~0#1 < 6); 2330#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2329#L25-3 assume !!(main_~d~0#1 < 6); 2328#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2327#L25-3 assume !!(main_~d~0#1 < 6); 2326#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2325#L25-3 assume !!(main_~d~0#1 < 6); 2324#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2323#L25-3 assume !(main_~d~0#1 < 6); 2322#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 2321#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 2320#L25-3 assume !!(main_~d~0#1 < 6); 2319#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2318#L25-3 assume !!(main_~d~0#1 < 6); 2317#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2316#L25-3 assume !!(main_~d~0#1 < 6); 2315#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2314#L25-3 assume !!(main_~d~0#1 < 6); 2313#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2312#L25-3 assume !!(main_~d~0#1 < 6); 2311#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2310#L25-3 assume !!(main_~d~0#1 < 6); 2309#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2308#L25-3 assume !(main_~d~0#1 < 6); 2307#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 2306#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 2305#L25-3 assume !!(main_~d~0#1 < 6); 2304#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2303#L25-3 assume !!(main_~d~0#1 < 6); 2302#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2301#L25-3 assume !!(main_~d~0#1 < 6); 2300#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2299#L25-3 assume !!(main_~d~0#1 < 6); 2298#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2297#L25-3 assume !!(main_~d~0#1 < 6); 2296#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2295#L25-3 assume !!(main_~d~0#1 < 6); 2294#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2293#L25-3 assume !(main_~d~0#1 < 6); 2292#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 2291#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 2290#L25-3 assume !!(main_~d~0#1 < 6); 2289#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2288#L25-3 assume !!(main_~d~0#1 < 6); 2287#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2286#L25-3 assume !!(main_~d~0#1 < 6); 2285#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2284#L25-3 assume !!(main_~d~0#1 < 6); 2283#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2282#L25-3 assume !!(main_~d~0#1 < 6); 2281#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2280#L25-3 assume !!(main_~d~0#1 < 6); 2279#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2278#L25-3 assume !(main_~d~0#1 < 6); 2277#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 2276#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 2275#L25-3 assume !!(main_~d~0#1 < 6); 2274#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2273#L25-3 assume !!(main_~d~0#1 < 6); 2272#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2271#L25-3 assume !!(main_~d~0#1 < 6); 2270#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2269#L25-3 assume !!(main_~d~0#1 < 6); 2268#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2267#L25-3 assume !!(main_~d~0#1 < 6); 2266#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2265#L25-3 assume !!(main_~d~0#1 < 6); 2264#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2263#L25-3 assume !(main_~d~0#1 < 6); 2262#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 2261#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 2247#L25-3 assume !!(main_~d~0#1 < 6); 2260#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2259#L25-3 assume !!(main_~d~0#1 < 6); 2258#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2257#L25-3 assume !!(main_~d~0#1 < 6); 2256#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2255#L25-3 assume !!(main_~d~0#1 < 6); 2254#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2253#L25-3 assume !!(main_~d~0#1 < 6); 2252#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2251#L25-3 assume !!(main_~d~0#1 < 6); 2250#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2249#L25-3 assume !(main_~d~0#1 < 6); 2248#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 2246#L24-3 assume !(main_~c~0#1 < 6); 2245#L23-2 main_#t~pre5#1 := 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1;havoc main_#t~pre5#1; 2244#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 2152#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 2243#L25-3 assume !!(main_~d~0#1 < 6); 2242#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2241#L25-3 assume !!(main_~d~0#1 < 6); 2240#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2239#L25-3 assume !!(main_~d~0#1 < 6); 2238#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2237#L25-3 assume !!(main_~d~0#1 < 6); 2236#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2235#L25-3 assume !!(main_~d~0#1 < 6); 2234#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2233#L25-3 assume !!(main_~d~0#1 < 6); 2232#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2231#L25-3 assume !(main_~d~0#1 < 6); 2230#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 2229#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 2228#L25-3 assume !!(main_~d~0#1 < 6); 2227#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2226#L25-3 assume !!(main_~d~0#1 < 6); 2225#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2224#L25-3 assume !!(main_~d~0#1 < 6); 2223#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2222#L25-3 assume !!(main_~d~0#1 < 6); 2221#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2220#L25-3 assume !!(main_~d~0#1 < 6); 2219#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2218#L25-3 assume !!(main_~d~0#1 < 6); 2217#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2216#L25-3 assume !(main_~d~0#1 < 6); 2215#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 2214#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 2213#L25-3 assume !!(main_~d~0#1 < 6); 2212#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2211#L25-3 assume !!(main_~d~0#1 < 6); 2210#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2209#L25-3 assume !!(main_~d~0#1 < 6); 2208#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2207#L25-3 assume !!(main_~d~0#1 < 6); 2206#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2205#L25-3 assume !!(main_~d~0#1 < 6); 2204#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2203#L25-3 assume !!(main_~d~0#1 < 6); 2202#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2201#L25-3 assume !(main_~d~0#1 < 6); 2200#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 2199#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 2198#L25-3 assume !!(main_~d~0#1 < 6); 2197#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2196#L25-3 assume !!(main_~d~0#1 < 6); 2195#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2194#L25-3 assume !!(main_~d~0#1 < 6); 2193#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2192#L25-3 assume !!(main_~d~0#1 < 6); 2191#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2190#L25-3 assume !!(main_~d~0#1 < 6); 2189#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2188#L25-3 assume !!(main_~d~0#1 < 6); 2187#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2186#L25-3 assume !(main_~d~0#1 < 6); 2185#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 2184#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 2183#L25-3 assume !!(main_~d~0#1 < 6); 2182#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2181#L25-3 assume !!(main_~d~0#1 < 6); 2180#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2179#L25-3 assume !!(main_~d~0#1 < 6); 2178#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2177#L25-3 assume !!(main_~d~0#1 < 6); 2176#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2175#L25-3 assume !!(main_~d~0#1 < 6); 2174#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2173#L25-3 assume !!(main_~d~0#1 < 6); 2172#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2171#L25-3 assume !(main_~d~0#1 < 6); 2170#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 2169#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 2155#L25-3 assume !!(main_~d~0#1 < 6); 2168#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2167#L25-3 assume !!(main_~d~0#1 < 6); 2166#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2165#L25-3 assume !!(main_~d~0#1 < 6); 2164#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2163#L25-3 assume !!(main_~d~0#1 < 6); 2162#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2161#L25-3 assume !!(main_~d~0#1 < 6); 2160#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2159#L25-3 assume !!(main_~d~0#1 < 6); 2158#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 2157#L25-3 assume !(main_~d~0#1 < 6); 2156#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 2154#L24-3 assume !(main_~c~0#1 < 6); 2153#L23-2 main_#t~pre5#1 := 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1;havoc main_#t~pre5#1; 2151#L23-3 assume !(main_~b~0#1 < 6); 2150#L22-2 main_#t~pre4#1 := 1 + main_~a~0#1;main_~a~0#1 := 1 + main_~a~0#1;havoc main_#t~pre4#1; 2149#L22-3 [2023-11-19 07:35:20,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:20,635 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 8 times [2023-11-19 07:35:20,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:20,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342475674] [2023-11-19 07:35:20,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:20,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:20,643 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:20,654 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:20,655 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:20,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1738509047, now seen corresponding path program 5 times [2023-11-19 07:35:20,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:20,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634762726] [2023-11-19 07:35:20,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:20,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:21,433 INFO L134 CoverageAnalysis]: Checked inductivity of 24994 backedges. 0 proven. 18886 refuted. 0 times theorem prover too weak. 6108 trivial. 0 not checked. [2023-11-19 07:35:21,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:35:21,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634762726] [2023-11-19 07:35:21,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634762726] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:35:21,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866894558] [2023-11-19 07:35:21,434 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-19 07:35:21,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:35:21,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:21,439 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:35:21,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 07:35:21,883 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 130 check-sat command(s) [2023-11-19 07:35:21,883 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:35:21,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:35:21,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:22,630 INFO L134 CoverageAnalysis]: Checked inductivity of 24994 backedges. 0 proven. 18886 refuted. 0 times theorem prover too weak. 6108 trivial. 0 not checked. [2023-11-19 07:35:22,631 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:35:23,407 INFO L134 CoverageAnalysis]: Checked inductivity of 24994 backedges. 0 proven. 18886 refuted. 0 times theorem prover too weak. 6108 trivial. 0 not checked. [2023-11-19 07:35:23,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866894558] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:35:23,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:35:23,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 7 [2023-11-19 07:35:23,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810857788] [2023-11-19 07:35:23,409 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:35:23,410 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:35:23,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:35:23,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:35:23,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:35:23,412 INFO L87 Difference]: Start difference. First operand 377 states and 406 transitions. cyclomatic complexity: 30 Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 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 07:35:23,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:35:23,440 INFO L93 Difference]: Finished difference Result 563 states and 606 transitions. [2023-11-19 07:35:23,440 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 563 states and 606 transitions. [2023-11-19 07:35:23,445 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 561 [2023-11-19 07:35:23,449 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 563 states to 563 states and 606 transitions. [2023-11-19 07:35:23,449 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 563 [2023-11-19 07:35:23,450 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 563 [2023-11-19 07:35:23,450 INFO L73 IsDeterministic]: Start isDeterministic. Operand 563 states and 606 transitions. [2023-11-19 07:35:23,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:35:23,452 INFO L218 hiAutomatonCegarLoop]: Abstraction has 563 states and 606 transitions. [2023-11-19 07:35:23,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states and 606 transitions. [2023-11-19 07:35:23,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 563. [2023-11-19 07:35:23,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 563 states have (on average 1.0763765541740675) internal successors, (606), 562 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:23,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 606 transitions. [2023-11-19 07:35:23,472 INFO L240 hiAutomatonCegarLoop]: Abstraction has 563 states and 606 transitions. [2023-11-19 07:35:23,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:35:23,473 INFO L428 stractBuchiCegarLoop]: Abstraction has 563 states and 606 transitions. [2023-11-19 07:35:23,474 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-19 07:35:23,474 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 563 states and 606 transitions. [2023-11-19 07:35:23,477 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 561 [2023-11-19 07:35:23,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:35:23,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:35:23,492 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:35:23,492 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [216, 216, 36, 36, 36, 6, 6, 6, 1, 1, 1] [2023-11-19 07:35:23,493 INFO L748 eck$LassoCheckResult]: Stem: 5340#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 5341#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~pre7#1, main_#t~pre6#1, main_#t~pre5#1, main_#t~pre4#1, main_~a~0#1, main_~b~0#1, main_~c~0#1, main_~d~0#1;main_~a~0#1 := 6;main_~b~0#1 := 6;main_~c~0#1 := 6;main_~d~0#1 := 6;main_~a~0#1 := 0; 5344#L22-3 [2023-11-19 07:35:23,494 INFO L750 eck$LassoCheckResult]: Loop: 5344#L22-3 assume !!(main_~a~0#1 < 6);main_~b~0#1 := 0; 5342#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 5343#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5339#L25-3 assume !!(main_~d~0#1 < 6); 5333#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5334#L25-3 assume !!(main_~d~0#1 < 6); 5891#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5889#L25-3 assume !!(main_~d~0#1 < 6); 5887#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5885#L25-3 assume !!(main_~d~0#1 < 6); 5883#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5881#L25-3 assume !!(main_~d~0#1 < 6); 5879#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5877#L25-3 assume !!(main_~d~0#1 < 6); 5875#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5874#L25-3 assume !(main_~d~0#1 < 6); 5335#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5336#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5869#L25-3 assume !!(main_~d~0#1 < 6); 5867#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5865#L25-3 assume !!(main_~d~0#1 < 6); 5863#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5861#L25-3 assume !!(main_~d~0#1 < 6); 5859#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5857#L25-3 assume !!(main_~d~0#1 < 6); 5855#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5853#L25-3 assume !!(main_~d~0#1 < 6); 5851#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5849#L25-3 assume !!(main_~d~0#1 < 6); 5847#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5846#L25-3 assume !(main_~d~0#1 < 6); 5843#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5841#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5839#L25-3 assume !!(main_~d~0#1 < 6); 5837#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5835#L25-3 assume !!(main_~d~0#1 < 6); 5833#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5831#L25-3 assume !!(main_~d~0#1 < 6); 5829#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5827#L25-3 assume !!(main_~d~0#1 < 6); 5825#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5823#L25-3 assume !!(main_~d~0#1 < 6); 5821#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5819#L25-3 assume !!(main_~d~0#1 < 6); 5817#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5816#L25-3 assume !(main_~d~0#1 < 6); 5813#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5811#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5809#L25-3 assume !!(main_~d~0#1 < 6); 5807#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5805#L25-3 assume !!(main_~d~0#1 < 6); 5803#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5801#L25-3 assume !!(main_~d~0#1 < 6); 5799#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5797#L25-3 assume !!(main_~d~0#1 < 6); 5795#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5793#L25-3 assume !!(main_~d~0#1 < 6); 5791#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5789#L25-3 assume !!(main_~d~0#1 < 6); 5787#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5786#L25-3 assume !(main_~d~0#1 < 6); 5783#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5781#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5779#L25-3 assume !!(main_~d~0#1 < 6); 5777#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5775#L25-3 assume !!(main_~d~0#1 < 6); 5773#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5771#L25-3 assume !!(main_~d~0#1 < 6); 5769#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5767#L25-3 assume !!(main_~d~0#1 < 6); 5765#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5763#L25-3 assume !!(main_~d~0#1 < 6); 5761#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5759#L25-3 assume !!(main_~d~0#1 < 6); 5757#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5756#L25-3 assume !(main_~d~0#1 < 6); 5753#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5751#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5723#L25-3 assume !!(main_~d~0#1 < 6); 5749#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5747#L25-3 assume !!(main_~d~0#1 < 6); 5745#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5743#L25-3 assume !!(main_~d~0#1 < 6); 5741#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5739#L25-3 assume !!(main_~d~0#1 < 6); 5737#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5735#L25-3 assume !!(main_~d~0#1 < 6); 5733#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5731#L25-3 assume !!(main_~d~0#1 < 6); 5729#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5728#L25-3 assume !(main_~d~0#1 < 6); 5725#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5722#L24-3 assume !(main_~c~0#1 < 6); 5337#L23-2 main_#t~pre5#1 := 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1;havoc main_#t~pre5#1; 5338#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 5895#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5894#L25-3 assume !!(main_~d~0#1 < 6); 5893#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5892#L25-3 assume !!(main_~d~0#1 < 6); 5890#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5888#L25-3 assume !!(main_~d~0#1 < 6); 5886#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5884#L25-3 assume !!(main_~d~0#1 < 6); 5882#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5880#L25-3 assume !!(main_~d~0#1 < 6); 5878#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5876#L25-3 assume !!(main_~d~0#1 < 6); 5873#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5872#L25-3 assume !(main_~d~0#1 < 6); 5871#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5870#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5868#L25-3 assume !!(main_~d~0#1 < 6); 5866#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5864#L25-3 assume !!(main_~d~0#1 < 6); 5862#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5860#L25-3 assume !!(main_~d~0#1 < 6); 5858#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5856#L25-3 assume !!(main_~d~0#1 < 6); 5854#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5852#L25-3 assume !!(main_~d~0#1 < 6); 5850#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5848#L25-3 assume !!(main_~d~0#1 < 6); 5845#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5844#L25-3 assume !(main_~d~0#1 < 6); 5842#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5840#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5838#L25-3 assume !!(main_~d~0#1 < 6); 5836#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5834#L25-3 assume !!(main_~d~0#1 < 6); 5832#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5830#L25-3 assume !!(main_~d~0#1 < 6); 5828#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5826#L25-3 assume !!(main_~d~0#1 < 6); 5824#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5822#L25-3 assume !!(main_~d~0#1 < 6); 5820#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5818#L25-3 assume !!(main_~d~0#1 < 6); 5815#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5814#L25-3 assume !(main_~d~0#1 < 6); 5812#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5810#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5808#L25-3 assume !!(main_~d~0#1 < 6); 5806#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5804#L25-3 assume !!(main_~d~0#1 < 6); 5802#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5800#L25-3 assume !!(main_~d~0#1 < 6); 5798#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5796#L25-3 assume !!(main_~d~0#1 < 6); 5794#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5792#L25-3 assume !!(main_~d~0#1 < 6); 5790#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5788#L25-3 assume !!(main_~d~0#1 < 6); 5785#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5784#L25-3 assume !(main_~d~0#1 < 6); 5782#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5780#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5778#L25-3 assume !!(main_~d~0#1 < 6); 5776#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5774#L25-3 assume !!(main_~d~0#1 < 6); 5772#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5770#L25-3 assume !!(main_~d~0#1 < 6); 5768#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5766#L25-3 assume !!(main_~d~0#1 < 6); 5764#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5762#L25-3 assume !!(main_~d~0#1 < 6); 5760#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5758#L25-3 assume !!(main_~d~0#1 < 6); 5755#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5754#L25-3 assume !(main_~d~0#1 < 6); 5752#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5750#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5721#L25-3 assume !!(main_~d~0#1 < 6); 5748#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5746#L25-3 assume !!(main_~d~0#1 < 6); 5744#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5742#L25-3 assume !!(main_~d~0#1 < 6); 5740#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5738#L25-3 assume !!(main_~d~0#1 < 6); 5736#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5734#L25-3 assume !!(main_~d~0#1 < 6); 5732#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5730#L25-3 assume !!(main_~d~0#1 < 6); 5727#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5726#L25-3 assume !(main_~d~0#1 < 6); 5724#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5720#L24-3 assume !(main_~c~0#1 < 6); 5719#L23-2 main_#t~pre5#1 := 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1;havoc main_#t~pre5#1; 5718#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 5717#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5716#L25-3 assume !!(main_~d~0#1 < 6); 5715#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5714#L25-3 assume !!(main_~d~0#1 < 6); 5713#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5712#L25-3 assume !!(main_~d~0#1 < 6); 5711#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5710#L25-3 assume !!(main_~d~0#1 < 6); 5709#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5708#L25-3 assume !!(main_~d~0#1 < 6); 5707#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5706#L25-3 assume !!(main_~d~0#1 < 6); 5705#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5704#L25-3 assume !(main_~d~0#1 < 6); 5703#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5702#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5701#L25-3 assume !!(main_~d~0#1 < 6); 5700#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5699#L25-3 assume !!(main_~d~0#1 < 6); 5698#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5697#L25-3 assume !!(main_~d~0#1 < 6); 5696#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5695#L25-3 assume !!(main_~d~0#1 < 6); 5694#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5693#L25-3 assume !!(main_~d~0#1 < 6); 5692#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5691#L25-3 assume !!(main_~d~0#1 < 6); 5690#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5689#L25-3 assume !(main_~d~0#1 < 6); 5688#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5687#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5686#L25-3 assume !!(main_~d~0#1 < 6); 5685#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5684#L25-3 assume !!(main_~d~0#1 < 6); 5683#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5682#L25-3 assume !!(main_~d~0#1 < 6); 5681#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5680#L25-3 assume !!(main_~d~0#1 < 6); 5679#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5678#L25-3 assume !!(main_~d~0#1 < 6); 5677#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5676#L25-3 assume !!(main_~d~0#1 < 6); 5675#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5674#L25-3 assume !(main_~d~0#1 < 6); 5673#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5672#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5671#L25-3 assume !!(main_~d~0#1 < 6); 5670#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5669#L25-3 assume !!(main_~d~0#1 < 6); 5668#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5667#L25-3 assume !!(main_~d~0#1 < 6); 5666#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5665#L25-3 assume !!(main_~d~0#1 < 6); 5664#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5663#L25-3 assume !!(main_~d~0#1 < 6); 5662#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5661#L25-3 assume !!(main_~d~0#1 < 6); 5660#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5659#L25-3 assume !(main_~d~0#1 < 6); 5658#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5657#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5656#L25-3 assume !!(main_~d~0#1 < 6); 5655#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5654#L25-3 assume !!(main_~d~0#1 < 6); 5653#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5652#L25-3 assume !!(main_~d~0#1 < 6); 5651#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5650#L25-3 assume !!(main_~d~0#1 < 6); 5649#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5648#L25-3 assume !!(main_~d~0#1 < 6); 5647#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5646#L25-3 assume !!(main_~d~0#1 < 6); 5645#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5644#L25-3 assume !(main_~d~0#1 < 6); 5643#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5642#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5628#L25-3 assume !!(main_~d~0#1 < 6); 5641#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5640#L25-3 assume !!(main_~d~0#1 < 6); 5639#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5638#L25-3 assume !!(main_~d~0#1 < 6); 5637#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5636#L25-3 assume !!(main_~d~0#1 < 6); 5635#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5634#L25-3 assume !!(main_~d~0#1 < 6); 5633#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5632#L25-3 assume !!(main_~d~0#1 < 6); 5631#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5630#L25-3 assume !(main_~d~0#1 < 6); 5629#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5627#L24-3 assume !(main_~c~0#1 < 6); 5626#L23-2 main_#t~pre5#1 := 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1;havoc main_#t~pre5#1; 5625#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 5624#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5623#L25-3 assume !!(main_~d~0#1 < 6); 5622#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5621#L25-3 assume !!(main_~d~0#1 < 6); 5620#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5619#L25-3 assume !!(main_~d~0#1 < 6); 5618#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5617#L25-3 assume !!(main_~d~0#1 < 6); 5616#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5615#L25-3 assume !!(main_~d~0#1 < 6); 5614#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5613#L25-3 assume !!(main_~d~0#1 < 6); 5612#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5611#L25-3 assume !(main_~d~0#1 < 6); 5610#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5609#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5608#L25-3 assume !!(main_~d~0#1 < 6); 5607#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5606#L25-3 assume !!(main_~d~0#1 < 6); 5605#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5604#L25-3 assume !!(main_~d~0#1 < 6); 5603#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5602#L25-3 assume !!(main_~d~0#1 < 6); 5601#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5600#L25-3 assume !!(main_~d~0#1 < 6); 5599#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5598#L25-3 assume !!(main_~d~0#1 < 6); 5597#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5596#L25-3 assume !(main_~d~0#1 < 6); 5595#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5594#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5593#L25-3 assume !!(main_~d~0#1 < 6); 5592#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5591#L25-3 assume !!(main_~d~0#1 < 6); 5590#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5589#L25-3 assume !!(main_~d~0#1 < 6); 5588#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5587#L25-3 assume !!(main_~d~0#1 < 6); 5586#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5585#L25-3 assume !!(main_~d~0#1 < 6); 5584#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5583#L25-3 assume !!(main_~d~0#1 < 6); 5582#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5581#L25-3 assume !(main_~d~0#1 < 6); 5580#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5579#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5578#L25-3 assume !!(main_~d~0#1 < 6); 5577#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5576#L25-3 assume !!(main_~d~0#1 < 6); 5575#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5574#L25-3 assume !!(main_~d~0#1 < 6); 5573#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5572#L25-3 assume !!(main_~d~0#1 < 6); 5571#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5570#L25-3 assume !!(main_~d~0#1 < 6); 5569#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5568#L25-3 assume !!(main_~d~0#1 < 6); 5567#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5566#L25-3 assume !(main_~d~0#1 < 6); 5565#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5564#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5563#L25-3 assume !!(main_~d~0#1 < 6); 5562#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5561#L25-3 assume !!(main_~d~0#1 < 6); 5560#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5559#L25-3 assume !!(main_~d~0#1 < 6); 5558#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5557#L25-3 assume !!(main_~d~0#1 < 6); 5556#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5555#L25-3 assume !!(main_~d~0#1 < 6); 5554#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5553#L25-3 assume !!(main_~d~0#1 < 6); 5552#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5551#L25-3 assume !(main_~d~0#1 < 6); 5550#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5549#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5535#L25-3 assume !!(main_~d~0#1 < 6); 5548#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5547#L25-3 assume !!(main_~d~0#1 < 6); 5546#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5545#L25-3 assume !!(main_~d~0#1 < 6); 5544#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5543#L25-3 assume !!(main_~d~0#1 < 6); 5542#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5541#L25-3 assume !!(main_~d~0#1 < 6); 5540#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5539#L25-3 assume !!(main_~d~0#1 < 6); 5538#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5537#L25-3 assume !(main_~d~0#1 < 6); 5536#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5534#L24-3 assume !(main_~c~0#1 < 6); 5533#L23-2 main_#t~pre5#1 := 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1;havoc main_#t~pre5#1; 5532#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 5531#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5530#L25-3 assume !!(main_~d~0#1 < 6); 5529#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5528#L25-3 assume !!(main_~d~0#1 < 6); 5527#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5526#L25-3 assume !!(main_~d~0#1 < 6); 5525#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5524#L25-3 assume !!(main_~d~0#1 < 6); 5523#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5522#L25-3 assume !!(main_~d~0#1 < 6); 5521#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5520#L25-3 assume !!(main_~d~0#1 < 6); 5519#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5518#L25-3 assume !(main_~d~0#1 < 6); 5517#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5516#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5515#L25-3 assume !!(main_~d~0#1 < 6); 5514#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5513#L25-3 assume !!(main_~d~0#1 < 6); 5512#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5511#L25-3 assume !!(main_~d~0#1 < 6); 5510#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5509#L25-3 assume !!(main_~d~0#1 < 6); 5508#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5507#L25-3 assume !!(main_~d~0#1 < 6); 5506#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5505#L25-3 assume !!(main_~d~0#1 < 6); 5504#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5503#L25-3 assume !(main_~d~0#1 < 6); 5502#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5501#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5500#L25-3 assume !!(main_~d~0#1 < 6); 5499#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5498#L25-3 assume !!(main_~d~0#1 < 6); 5497#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5496#L25-3 assume !!(main_~d~0#1 < 6); 5495#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5494#L25-3 assume !!(main_~d~0#1 < 6); 5493#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5492#L25-3 assume !!(main_~d~0#1 < 6); 5491#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5490#L25-3 assume !!(main_~d~0#1 < 6); 5489#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5488#L25-3 assume !(main_~d~0#1 < 6); 5487#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5486#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5485#L25-3 assume !!(main_~d~0#1 < 6); 5484#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5483#L25-3 assume !!(main_~d~0#1 < 6); 5482#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5481#L25-3 assume !!(main_~d~0#1 < 6); 5480#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5479#L25-3 assume !!(main_~d~0#1 < 6); 5478#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5477#L25-3 assume !!(main_~d~0#1 < 6); 5476#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5475#L25-3 assume !!(main_~d~0#1 < 6); 5474#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5473#L25-3 assume !(main_~d~0#1 < 6); 5472#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5471#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5470#L25-3 assume !!(main_~d~0#1 < 6); 5469#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5468#L25-3 assume !!(main_~d~0#1 < 6); 5467#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5466#L25-3 assume !!(main_~d~0#1 < 6); 5465#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5464#L25-3 assume !!(main_~d~0#1 < 6); 5463#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5462#L25-3 assume !!(main_~d~0#1 < 6); 5461#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5460#L25-3 assume !!(main_~d~0#1 < 6); 5459#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5458#L25-3 assume !(main_~d~0#1 < 6); 5457#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5456#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5442#L25-3 assume !!(main_~d~0#1 < 6); 5455#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5454#L25-3 assume !!(main_~d~0#1 < 6); 5453#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5452#L25-3 assume !!(main_~d~0#1 < 6); 5451#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5450#L25-3 assume !!(main_~d~0#1 < 6); 5449#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5448#L25-3 assume !!(main_~d~0#1 < 6); 5447#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5446#L25-3 assume !!(main_~d~0#1 < 6); 5445#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5444#L25-3 assume !(main_~d~0#1 < 6); 5443#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5441#L24-3 assume !(main_~c~0#1 < 6); 5440#L23-2 main_#t~pre5#1 := 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1;havoc main_#t~pre5#1; 5439#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 5347#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5438#L25-3 assume !!(main_~d~0#1 < 6); 5437#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5436#L25-3 assume !!(main_~d~0#1 < 6); 5435#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5434#L25-3 assume !!(main_~d~0#1 < 6); 5433#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5432#L25-3 assume !!(main_~d~0#1 < 6); 5431#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5430#L25-3 assume !!(main_~d~0#1 < 6); 5429#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5428#L25-3 assume !!(main_~d~0#1 < 6); 5427#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5426#L25-3 assume !(main_~d~0#1 < 6); 5425#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5424#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5423#L25-3 assume !!(main_~d~0#1 < 6); 5422#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5421#L25-3 assume !!(main_~d~0#1 < 6); 5420#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5419#L25-3 assume !!(main_~d~0#1 < 6); 5418#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5417#L25-3 assume !!(main_~d~0#1 < 6); 5416#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5415#L25-3 assume !!(main_~d~0#1 < 6); 5414#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5413#L25-3 assume !!(main_~d~0#1 < 6); 5412#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5411#L25-3 assume !(main_~d~0#1 < 6); 5410#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5409#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5408#L25-3 assume !!(main_~d~0#1 < 6); 5407#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5406#L25-3 assume !!(main_~d~0#1 < 6); 5405#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5404#L25-3 assume !!(main_~d~0#1 < 6); 5403#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5402#L25-3 assume !!(main_~d~0#1 < 6); 5401#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5400#L25-3 assume !!(main_~d~0#1 < 6); 5399#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5398#L25-3 assume !!(main_~d~0#1 < 6); 5397#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5396#L25-3 assume !(main_~d~0#1 < 6); 5395#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5394#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5393#L25-3 assume !!(main_~d~0#1 < 6); 5392#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5391#L25-3 assume !!(main_~d~0#1 < 6); 5390#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5389#L25-3 assume !!(main_~d~0#1 < 6); 5388#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5387#L25-3 assume !!(main_~d~0#1 < 6); 5386#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5385#L25-3 assume !!(main_~d~0#1 < 6); 5384#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5383#L25-3 assume !!(main_~d~0#1 < 6); 5382#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5381#L25-3 assume !(main_~d~0#1 < 6); 5380#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5379#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5378#L25-3 assume !!(main_~d~0#1 < 6); 5377#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5376#L25-3 assume !!(main_~d~0#1 < 6); 5375#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5374#L25-3 assume !!(main_~d~0#1 < 6); 5373#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5372#L25-3 assume !!(main_~d~0#1 < 6); 5371#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5370#L25-3 assume !!(main_~d~0#1 < 6); 5369#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5368#L25-3 assume !!(main_~d~0#1 < 6); 5367#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5366#L25-3 assume !(main_~d~0#1 < 6); 5365#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5364#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 5350#L25-3 assume !!(main_~d~0#1 < 6); 5363#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5362#L25-3 assume !!(main_~d~0#1 < 6); 5361#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5360#L25-3 assume !!(main_~d~0#1 < 6); 5359#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5358#L25-3 assume !!(main_~d~0#1 < 6); 5357#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5356#L25-3 assume !!(main_~d~0#1 < 6); 5355#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5354#L25-3 assume !!(main_~d~0#1 < 6); 5353#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 5352#L25-3 assume !(main_~d~0#1 < 6); 5351#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 5349#L24-3 assume !(main_~c~0#1 < 6); 5348#L23-2 main_#t~pre5#1 := 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1;havoc main_#t~pre5#1; 5346#L23-3 assume !(main_~b~0#1 < 6); 5345#L22-2 main_#t~pre4#1 := 1 + main_~a~0#1;main_~a~0#1 := 1 + main_~a~0#1;havoc main_#t~pre4#1; 5344#L22-3 [2023-11-19 07:35:23,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:23,496 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 9 times [2023-11-19 07:35:23,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:23,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930360082] [2023-11-19 07:35:23,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:23,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:23,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:23,500 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:23,505 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:23,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:23,506 INFO L85 PathProgramCache]: Analyzing trace with hash 247558537, now seen corresponding path program 6 times [2023-11-19 07:35:23,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:23,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680135500] [2023-11-19 07:35:23,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:23,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:23,667 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:23,845 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:23,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:23,846 INFO L85 PathProgramCache]: Analyzing trace with hash 1915499015, now seen corresponding path program 1 times [2023-11-19 07:35:23,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:23,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92258792] [2023-11-19 07:35:23,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:23,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:24,049 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:24,243 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:46,305 WARN L293 SmtUtils]: Spent 21.86s on a formula simplification. DAG size of input: 1170 DAG size of output: 870 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-19 07:35:49,844 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:35:49,844 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:35:49,844 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:35:49,845 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:35:49,845 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:35:49,845 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:49,845 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:35:49,845 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:35:49,845 INFO L133 ssoRankerPreferences]: Filename of dumped script: nested_4.c_Iteration9_Loop [2023-11-19 07:35:49,845 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:35:49,846 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:35:49,862 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:49,871 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:49,873 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:49,877 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:49,880 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:49,883 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:49,887 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:49,889 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:49,961 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:35:49,961 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:35:49,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:49,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:49,966 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:49,983 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:35:49,983 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:35:49,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 07:35:50,005 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:35:50,006 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~pre5#1=0} Honda state: {ULTIMATE.start_main_#t~pre5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:35:50,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:50,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:50,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:50,031 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:50,047 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:35:50,047 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:35:50,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-19 07:35:50,069 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:35:50,070 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~pre6#1=0} Honda state: {ULTIMATE.start_main_#t~pre6#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:35:50,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:50,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:50,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:50,095 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:50,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-19 07:35:50,100 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:35:50,100 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:35:50,124 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:35:50,124 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~d~0#1=6} Honda state: {ULTIMATE.start_main_~d~0#1=6} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:35:50,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:50,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:50,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:50,151 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:50,169 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:35:50,169 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:35:50,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-19 07:35:50,212 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:35:50,212 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~b~0#1=6} Honda state: {ULTIMATE.start_main_~b~0#1=6} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:35:50,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:50,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:50,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:50,236 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:50,245 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:35:50,245 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:35:50,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-19 07:35:50,267 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:35:50,267 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~pre4#1=0} Honda state: {ULTIMATE.start_main_#t~pre4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:35:50,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:50,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:50,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:50,298 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:50,304 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:35:50,304 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:35:50,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-19 07:35:50,327 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:35:50,327 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0#1=6} Honda state: {ULTIMATE.start_main_~c~0#1=6} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:35:50,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:50,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:50,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:50,352 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:50,356 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:35:50,356 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:35:50,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-19 07:35:50,380 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:35:50,380 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~pre7#1=0} Honda state: {ULTIMATE.start_main_#t~pre7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:35:50,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:50,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:50,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:50,410 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:50,419 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:35:50,419 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:35:50,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-19 07:35:50,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:50,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:50,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:50,480 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:50,489 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:35:50,489 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:35:50,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-19 07:35:50,543 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:35:50,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:50,559 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:35:50,559 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:35:50,559 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:35:50,559 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:35:50,559 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:35:50,560 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:50,560 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:35:50,560 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:35:50,560 INFO L133 ssoRankerPreferences]: Filename of dumped script: nested_4.c_Iteration9_Loop [2023-11-19 07:35:50,560 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:35:50,560 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:35:50,561 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:50,565 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:50,569 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:50,573 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:50,576 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:50,579 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:50,581 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:50,584 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:50,653 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:35:50,658 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:35:50,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:50,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:50,661 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:50,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:35:50,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:35:50,682 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:35:50,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:35:50,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:35:50,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:35:50,685 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:35:50,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:35:50,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-19 07:35:50,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:35:50,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:50,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:50,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:50,724 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:50,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:35:50,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:35:50,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:35:50,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:35:50,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:35:50,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:35:50,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:35:50,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:35:50,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-19 07:35:50,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:35:50,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:50,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:50,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:50,792 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:50,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:35:50,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:35:50,807 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:35:50,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:35:50,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:35:50,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:35:50,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:35:50,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:35:50,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-19 07:35:50,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:35:50,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:50,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:50,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:50,845 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:50,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:35:50,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:35:50,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:35:50,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:35:50,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:35:50,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:35:50,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:35:50,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:35:50,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-19 07:35:50,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:35:50,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:50,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:50,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:50,903 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:50,917 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:35:50,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-19 07:35:50,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:35:50,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:35:50,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:35:50,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:35:50,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:35:50,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:35:50,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:35:50,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:35:50,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:50,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:50,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:50,948 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:50,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-19 07:35:50,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:35:50,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:35:50,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:35:50,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:35:50,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:35:50,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:35:50,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:35:50,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:35:50,962 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:35:50,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:50,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:50,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:50,976 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:50,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-19 07:35:50,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:35:50,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:35:50,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:35:50,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:35:50,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:35:50,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:35:50,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:35:50,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:35:51,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:35:51,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:51,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:51,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:51,028 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:51,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-19 07:35:51,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:35:51,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:35:51,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:35:51,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:35:51,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:35:51,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:35:51,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:35:51,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:35:51,075 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:35:51,078 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:35:51,079 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-19 07:35:51,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:51,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:51,082 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:51,085 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:35:51,086 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:35:51,086 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:35:51,086 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~a~0#1) = -2*ULTIMATE.start_main_~a~0#1 + 11 Supporting invariants [] [2023-11-19 07:35:51,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-19 07:35:51,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:51,113 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:35:51,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:51,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:35:51,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:51,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 908 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:35:51,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:52,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:54,064 INFO L134 CoverageAnalysis]: Checked inductivity of 56373 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56373 trivial. 0 not checked. [2023-11-19 07:35:54,070 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:35:54,072 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 563 states and 606 transitions. cyclomatic complexity: 44 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:54,129 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 563 states and 606 transitions. cyclomatic complexity: 44. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 1124 states and 1211 transitions. Complement of second has 4 states. [2023-11-19 07:35:54,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-19 07:35:54,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:54,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2023-11-19 07:35:54,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 2 letters. Loop has 561 letters. [2023-11-19 07:35:54,144 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:35:54,144 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 563 letters. Loop has 561 letters. [2023-11-19 07:35:54,147 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:35:54,147 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 2 letters. Loop has 1122 letters. [2023-11-19 07:35:54,151 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:35:54,152 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1124 states and 1211 transitions. [2023-11-19 07:35:54,165 INFO L131 ngComponentsAnalysis]: Automaton has 31 accepting balls. 218 [2023-11-19 07:35:54,175 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1124 states to 1123 states and 1210 transitions. [2023-11-19 07:35:54,176 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 561 [2023-11-19 07:35:54,176 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 562 [2023-11-19 07:35:54,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1123 states and 1210 transitions. [2023-11-19 07:35:54,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:35:54,177 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1123 states and 1210 transitions. [2023-11-19 07:35:54,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1123 states and 1210 transitions. [2023-11-19 07:35:54,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1123 to 657. [2023-11-19 07:35:54,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 657 states, 657 states have (on average 1.0791476407914764) internal successors, (709), 656 states have internal predecessors, (709), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:54,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 709 transitions. [2023-11-19 07:35:54,218 INFO L240 hiAutomatonCegarLoop]: Abstraction has 657 states and 709 transitions. [2023-11-19 07:35:54,218 INFO L428 stractBuchiCegarLoop]: Abstraction has 657 states and 709 transitions. [2023-11-19 07:35:54,218 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-19 07:35:54,218 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 657 states and 709 transitions. [2023-11-19 07:35:54,221 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2023-11-19 07:35:54,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:35:54,222 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:35:54,222 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-19 07:35:54,223 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [36, 36, 6, 6, 6, 1, 1, 1] [2023-11-19 07:35:54,223 INFO L748 eck$LassoCheckResult]: Stem: 8742#$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(11, 2);call #Ultimate.allocInit(12, 3); 8743#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~pre7#1, main_#t~pre6#1, main_#t~pre5#1, main_#t~pre4#1, main_~a~0#1, main_~b~0#1, main_~c~0#1, main_~d~0#1;main_~a~0#1 := 6;main_~b~0#1 := 6;main_~c~0#1 := 6;main_~d~0#1 := 6;main_~a~0#1 := 0; 8747#L22-3 assume !!(main_~a~0#1 < 6);main_~b~0#1 := 0; 8737#L23-3 [2023-11-19 07:35:54,224 INFO L750 eck$LassoCheckResult]: Loop: 8737#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 8744#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 8740#L25-3 assume !!(main_~d~0#1 < 6); 8728#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 8729#L25-3 assume !!(main_~d~0#1 < 6); 9381#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9379#L25-3 assume !!(main_~d~0#1 < 6); 9377#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9375#L25-3 assume !!(main_~d~0#1 < 6); 9373#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9371#L25-3 assume !!(main_~d~0#1 < 6); 9369#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9367#L25-3 assume !!(main_~d~0#1 < 6); 9365#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9364#L25-3 assume !(main_~d~0#1 < 6); 8732#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 8733#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 9384#L25-3 assume !!(main_~d~0#1 < 6); 9383#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9382#L25-3 assume !!(main_~d~0#1 < 6); 9380#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9378#L25-3 assume !!(main_~d~0#1 < 6); 9376#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9374#L25-3 assume !!(main_~d~0#1 < 6); 9372#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9370#L25-3 assume !!(main_~d~0#1 < 6); 9368#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9366#L25-3 assume !!(main_~d~0#1 < 6); 9363#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9362#L25-3 assume !(main_~d~0#1 < 6); 9361#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 9360#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 9359#L25-3 assume !!(main_~d~0#1 < 6); 9358#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9357#L25-3 assume !!(main_~d~0#1 < 6); 9356#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9355#L25-3 assume !!(main_~d~0#1 < 6); 9354#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9353#L25-3 assume !!(main_~d~0#1 < 6); 9352#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9351#L25-3 assume !!(main_~d~0#1 < 6); 9350#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9349#L25-3 assume !!(main_~d~0#1 < 6); 9348#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9347#L25-3 assume !(main_~d~0#1 < 6); 9346#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 9345#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 9344#L25-3 assume !!(main_~d~0#1 < 6); 9343#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9342#L25-3 assume !!(main_~d~0#1 < 6); 9341#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9340#L25-3 assume !!(main_~d~0#1 < 6); 9339#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9338#L25-3 assume !!(main_~d~0#1 < 6); 9337#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9336#L25-3 assume !!(main_~d~0#1 < 6); 9335#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9334#L25-3 assume !!(main_~d~0#1 < 6); 9333#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9332#L25-3 assume !(main_~d~0#1 < 6); 9331#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 9330#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 9329#L25-3 assume !!(main_~d~0#1 < 6); 9328#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9327#L25-3 assume !!(main_~d~0#1 < 6); 9326#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9325#L25-3 assume !!(main_~d~0#1 < 6); 9324#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9323#L25-3 assume !!(main_~d~0#1 < 6); 9322#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9321#L25-3 assume !!(main_~d~0#1 < 6); 9320#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9319#L25-3 assume !!(main_~d~0#1 < 6); 9318#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9317#L25-3 assume !(main_~d~0#1 < 6); 9316#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 9315#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 9301#L25-3 assume !!(main_~d~0#1 < 6); 9314#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9313#L25-3 assume !!(main_~d~0#1 < 6); 9312#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9311#L25-3 assume !!(main_~d~0#1 < 6); 9310#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9309#L25-3 assume !!(main_~d~0#1 < 6); 9308#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9307#L25-3 assume !!(main_~d~0#1 < 6); 9306#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9305#L25-3 assume !!(main_~d~0#1 < 6); 9304#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 9303#L25-3 assume !(main_~d~0#1 < 6); 9302#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 9300#L24-3 assume !(main_~c~0#1 < 6); 8736#L23-2 main_#t~pre5#1 := 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1;havoc main_#t~pre5#1; 8737#L23-3 [2023-11-19 07:35:54,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:54,225 INFO L85 PathProgramCache]: Analyzing trace with hash 29863, now seen corresponding path program 1 times [2023-11-19 07:35:54,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:54,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248824682] [2023-11-19 07:35:54,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:54,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:54,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:54,240 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:54,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:54,243 INFO L85 PathProgramCache]: Analyzing trace with hash -298958203, now seen corresponding path program 1 times [2023-11-19 07:35:54,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:54,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594616818] [2023-11-19 07:35:54,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:54,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:54,278 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:54,305 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:54,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:54,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1137457249, now seen corresponding path program 1 times [2023-11-19 07:35:54,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:54,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727086260] [2023-11-19 07:35:54,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:54,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:54,326 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:54,350 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:55,325 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:35:55,326 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:35:55,326 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:35:55,326 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:35:55,326 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:35:55,327 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:55,327 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:35:55,327 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:35:55,327 INFO L133 ssoRankerPreferences]: Filename of dumped script: nested_4.c_Iteration10_Loop [2023-11-19 07:35:55,327 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:35:55,327 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:35:55,328 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:55,330 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:55,332 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:55,334 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:55,337 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:55,343 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:55,382 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:35:55,383 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:35:55,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:55,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:55,384 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:55,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-19 07:35:55,396 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:35:55,397 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:35:55,418 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:35:55,418 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~pre5#1=0} Honda state: {ULTIMATE.start_main_#t~pre5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:35:55,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:55,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:55,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:55,445 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:55,452 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:35:55,452 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:35:55,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-19 07:35:55,464 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:35:55,465 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~pre7#1=0} Honda state: {ULTIMATE.start_main_#t~pre7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:35:55,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:55,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:55,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:55,482 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:55,492 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:35:55,492 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:35:55,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-19 07:35:55,514 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:35:55,515 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~pre6#1=0} Honda state: {ULTIMATE.start_main_#t~pre6#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:35:55,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:55,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:55,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:55,541 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:55,543 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:35:55,543 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:35:55,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-19 07:35:55,575 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:35:55,576 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0#1=6} Honda state: {ULTIMATE.start_main_~c~0#1=6} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:35:55,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:55,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:55,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:55,597 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:55,599 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:35:55,600 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:35:55,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-19 07:35:55,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-19 07:35:55,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:55,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:55,625 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:55,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-19 07:35:55,627 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:35:55,627 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:35:55,656 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:35:55,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:55,659 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:35:55,659 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:35:55,660 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:35:55,660 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:35:55,660 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:35:55,660 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:55,660 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:35:55,660 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:35:55,660 INFO L133 ssoRankerPreferences]: Filename of dumped script: nested_4.c_Iteration10_Loop [2023-11-19 07:35:55,660 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:35:55,660 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:35:55,661 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 07:35:55,664 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:55,667 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:55,671 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:55,681 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:55,683 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:55,728 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:35:55,728 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:35:55,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:55,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:55,729 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:55,740 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 07:35:55,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:35:55,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:35:55,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:35:55,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:35:55,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:35:55,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:35:55,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:35:55,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-19 07:35:55,769 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:35:55,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:55,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:55,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:55,794 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:55,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:35:55,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:35:55,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:35:55,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:35:55,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:35:55,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:35:55,814 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:35:55,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:35:55,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-19 07:35:55,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:35:55,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:55,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:55,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:55,847 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:55,852 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:35:55,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:35:55,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:35:55,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:35:55,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:35:55,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:35:55,865 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:35:55,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:35:55,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-19 07:35:55,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:35:55,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-11-19 07:35:55,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:55,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:55,894 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:55,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-19 07:35:55,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:35:55,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:35:55,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:35:55,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:35:55,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:35:55,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:35:55,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:35:55,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:35:55,912 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:35:55,914 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:35:55,914 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-19 07:35:55,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:55,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:55,915 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:55,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-19 07:35:55,917 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:35:55,917 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:35:55,917 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:35:55,917 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~b~0#1) = -2*ULTIMATE.start_main_~b~0#1 + 11 Supporting invariants [] [2023-11-19 07:35:55,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-19 07:35:55,932 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:35:55,955 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:55,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:35:55,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:56,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:35:56,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:56,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:56,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1527 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1527 trivial. 0 not checked. [2023-11-19 07:35:56,403 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:35:56,404 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 657 states and 709 transitions. cyclomatic complexity: 54 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:56,438 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 657 states and 709 transitions. cyclomatic complexity: 54. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1958 states and 2112 transitions. Complement of second has 7 states. [2023-11-19 07:35:56,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 07:35:56,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:56,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2023-11-19 07:35:56,441 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 3 letters. Loop has 93 letters. [2023-11-19 07:35:56,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:35:56,441 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 96 letters. Loop has 93 letters. [2023-11-19 07:35:56,442 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:35:56,442 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 3 letters. Loop has 186 letters. [2023-11-19 07:35:56,443 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:35:56,443 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1958 states and 2112 transitions. [2023-11-19 07:35:56,458 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 118 [2023-11-19 07:35:56,468 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1958 states to 1403 states and 1514 transitions. [2023-11-19 07:35:56,468 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 187 [2023-11-19 07:35:56,469 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 188 [2023-11-19 07:35:56,469 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1403 states and 1514 transitions. [2023-11-19 07:35:56,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:35:56,470 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1403 states and 1514 transitions. [2023-11-19 07:35:56,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1403 states and 1514 transitions. [2023-11-19 07:35:56,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1403 to 766. [2023-11-19 07:35:56,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 766 states have (on average 1.080939947780679) internal successors, (828), 765 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:56,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 828 transitions. [2023-11-19 07:35:56,487 INFO L240 hiAutomatonCegarLoop]: Abstraction has 766 states and 828 transitions. [2023-11-19 07:35:56,487 INFO L428 stractBuchiCegarLoop]: Abstraction has 766 states and 828 transitions. [2023-11-19 07:35:56,487 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-19 07:35:56,487 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 766 states and 828 transitions. [2023-11-19 07:35:56,491 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2023-11-19 07:35:56,491 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:35:56,492 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:35:56,492 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-19 07:35:56,492 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [6, 6, 1, 1, 1] [2023-11-19 07:35:56,492 INFO L748 eck$LassoCheckResult]: Stem: 11669#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 11670#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~pre7#1, main_#t~pre6#1, main_#t~pre5#1, main_#t~pre4#1, main_~a~0#1, main_~b~0#1, main_~c~0#1, main_~d~0#1;main_~a~0#1 := 6;main_~b~0#1 := 6;main_~c~0#1 := 6;main_~d~0#1 := 6;main_~a~0#1 := 0; 11675#L22-3 assume !!(main_~a~0#1 < 6);main_~b~0#1 := 0; 11671#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 11659#L24-3 [2023-11-19 07:35:56,493 INFO L750 eck$LassoCheckResult]: Loop: 11659#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 11666#L25-3 assume !!(main_~d~0#1 < 6); 11654#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 11655#L25-3 assume !!(main_~d~0#1 < 6); 12419#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 12418#L25-3 assume !!(main_~d~0#1 < 6); 12417#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 12416#L25-3 assume !!(main_~d~0#1 < 6); 12415#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 12414#L25-3 assume !!(main_~d~0#1 < 6); 12413#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 12412#L25-3 assume !!(main_~d~0#1 < 6); 12390#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 12389#L25-3 assume !(main_~d~0#1 < 6); 11658#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 11659#L24-3 [2023-11-19 07:35:56,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:56,493 INFO L85 PathProgramCache]: Analyzing trace with hash 925771, now seen corresponding path program 1 times [2023-11-19 07:35:56,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:56,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801294339] [2023-11-19 07:35:56,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:56,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:56,501 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:56,508 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:56,509 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:56,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1161196429, now seen corresponding path program 1 times [2023-11-19 07:35:56,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:56,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998216533] [2023-11-19 07:35:56,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:56,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:56,513 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:56,516 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:56,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:56,517 INFO L85 PathProgramCache]: Analyzing trace with hash -682723837, now seen corresponding path program 1 times [2023-11-19 07:35:56,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:56,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014796383] [2023-11-19 07:35:56,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:56,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:56,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:56,535 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:56,612 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:35:56,612 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:35:56,613 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:35:56,613 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:35:56,613 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:35:56,613 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:56,613 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:35:56,613 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:35:56,613 INFO L133 ssoRankerPreferences]: Filename of dumped script: nested_4.c_Iteration11_Loop [2023-11-19 07:35:56,614 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:35:56,614 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:35:56,615 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:56,622 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:56,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:56,627 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:56,664 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:35:56,664 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:35:56,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:56,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:56,666 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:56,668 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:35:56,668 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:35:56,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-19 07:35:56,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:56,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:56,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:56,708 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:56,712 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:35:56,712 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:35:56,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-19 07:35:56,763 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:35:56,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:56,768 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:35:56,768 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:35:56,768 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:35:56,768 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:35:56,768 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:35:56,768 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:56,768 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:35:56,768 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:35:56,769 INFO L133 ssoRankerPreferences]: Filename of dumped script: nested_4.c_Iteration11_Loop [2023-11-19 07:35:56,769 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:35:56,769 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:35:56,769 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:56,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:56,779 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:56,782 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:56,811 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:35:56,811 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:35:56,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:56,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:56,812 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:56,819 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:35:56,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:35:56,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:35:56,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:35:56,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:35:56,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:35:56,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:35:56,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:35:56,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-19 07:35:56,847 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:35:56,850 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:35:56,850 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-19 07:35:56,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:56,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:56,852 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:56,854 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:35:56,854 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:35:56,855 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:35:56,855 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~c~0#1) = -2*ULTIMATE.start_main_~c~0#1 + 11 Supporting invariants [] [2023-11-19 07:35:56,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-19 07:35:56,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:56,879 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:35:56,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:56,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:35:56,904 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:56,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:35:56,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:56,989 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 07:35:56,990 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:35:56,990 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 766 states and 828 transitions. cyclomatic complexity: 66 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:57,022 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 766 states and 828 transitions. cyclomatic complexity: 66. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1155 states and 1249 transitions. Complement of second has 7 states. [2023-11-19 07:35:57,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 07:35:57,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:57,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2023-11-19 07:35:57,025 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 4 letters. Loop has 15 letters. [2023-11-19 07:35:57,025 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:35:57,025 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 19 letters. Loop has 15 letters. [2023-11-19 07:35:57,026 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:35:57,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 4 letters. Loop has 30 letters. [2023-11-19 07:35:57,027 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:35:57,027 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1155 states and 1249 transitions. [2023-11-19 07:35:57,036 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 110 [2023-11-19 07:35:57,044 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1155 states to 982 states and 1062 transitions. [2023-11-19 07:35:57,044 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 125 [2023-11-19 07:35:57,044 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 126 [2023-11-19 07:35:57,044 INFO L73 IsDeterministic]: Start isDeterministic. Operand 982 states and 1062 transitions. [2023-11-19 07:35:57,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:35:57,045 INFO L218 hiAutomatonCegarLoop]: Abstraction has 982 states and 1062 transitions. [2023-11-19 07:35:57,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states and 1062 transitions. [2023-11-19 07:35:57,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 784. [2023-11-19 07:35:57,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 784 states have (on average 1.0829081632653061) internal successors, (849), 783 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:57,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 849 transitions. [2023-11-19 07:35:57,060 INFO L240 hiAutomatonCegarLoop]: Abstraction has 784 states and 849 transitions. [2023-11-19 07:35:57,060 INFO L428 stractBuchiCegarLoop]: Abstraction has 784 states and 849 transitions. [2023-11-19 07:35:57,060 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2023-11-19 07:35:57,060 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 784 states and 849 transitions. [2023-11-19 07:35:57,064 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 110 [2023-11-19 07:35:57,064 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:35:57,064 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:35:57,065 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-19 07:35:57,065 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 07:35:57,065 INFO L748 eck$LassoCheckResult]: Stem: 13668#$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(11, 2);call #Ultimate.allocInit(12, 3); 13669#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~pre7#1, main_#t~pre6#1, main_#t~pre5#1, main_#t~pre4#1, main_~a~0#1, main_~b~0#1, main_~c~0#1, main_~d~0#1;main_~a~0#1 := 6;main_~b~0#1 := 6;main_~c~0#1 := 6;main_~d~0#1 := 6;main_~a~0#1 := 0; 13670#L22-3 assume !!(main_~a~0#1 < 6);main_~b~0#1 := 0; 13671#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 13675#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 13656#L25-3 [2023-11-19 07:35:57,065 INFO L750 eck$LassoCheckResult]: Loop: 13656#L25-3 assume !!(main_~d~0#1 < 6); 13655#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 13656#L25-3 [2023-11-19 07:35:57,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:57,066 INFO L85 PathProgramCache]: Analyzing trace with hash 28698927, now seen corresponding path program 1 times [2023-11-19 07:35:57,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:57,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205619762] [2023-11-19 07:35:57,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:57,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:57,072 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:57,077 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:57,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:57,078 INFO L85 PathProgramCache]: Analyzing trace with hash 2051, now seen corresponding path program 1 times [2023-11-19 07:35:57,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:57,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283831769] [2023-11-19 07:35:57,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:57,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:57,083 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:57,084 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:57,085 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:57,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1809866161, now seen corresponding path program 1 times [2023-11-19 07:35:57,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:57,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789424748] [2023-11-19 07:35:57,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:57,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:57,093 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:57,097 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:57,108 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:35:57,108 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:35:57,109 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:35:57,109 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:35:57,109 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:35:57,109 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:57,109 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:35:57,109 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:35:57,109 INFO L133 ssoRankerPreferences]: Filename of dumped script: nested_4.c_Iteration12_Loop [2023-11-19 07:35:57,109 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:35:57,110 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:35:57,111 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:57,113 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:57,133 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:35:57,134 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:35:57,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:57,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:57,135 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:57,138 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:35:57,138 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:35:57,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-19 07:35:57,167 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:35:57,167 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~pre7#1=0} Honda state: {ULTIMATE.start_main_#t~pre7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:35:57,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:57,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:57,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:57,188 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:57,196 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:35:57,196 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:35:57,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-19 07:35:57,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:57,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:57,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:57,244 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:57,247 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:35:57,247 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:35:57,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-19 07:35:57,294 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:35:57,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:57,300 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:35:57,300 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:35:57,300 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:35:57,300 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:35:57,300 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:35:57,300 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:57,300 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:35:57,300 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:35:57,300 INFO L133 ssoRankerPreferences]: Filename of dumped script: nested_4.c_Iteration12_Loop [2023-11-19 07:35:57,300 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:35:57,300 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:35:57,301 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:57,307 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:57,327 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:35:57,327 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:35:57,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:57,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:57,328 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:57,331 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:35:57,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:35:57,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:35:57,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:35:57,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:35:57,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:35:57,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:35:57,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:35:57,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-19 07:35:57,359 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:35:57,362 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:35:57,362 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-19 07:35:57,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:57,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:57,364 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:57,365 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:35:57,366 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:35:57,366 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:35:57,366 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~d~0#1) = -2*ULTIMATE.start_main_~d~0#1 + 11 Supporting invariants [] [2023-11-19 07:35:57,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-19 07:35:57,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:57,392 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:35:57,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:57,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:35:57,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:57,424 WARN L260 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:35:57,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:57,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:57,440 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:35:57,440 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 784 states and 849 transitions. cyclomatic complexity: 71 Second operand has 3 states, 3 states have (on average 2.3333333333333335) 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 07:35:57,462 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 784 states and 849 transitions. cyclomatic complexity: 71. Second operand has 3 states, 3 states have (on average 2.3333333333333335) 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) Result 860 states and 933 transitions. Complement of second has 7 states. [2023-11-19 07:35:57,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 07:35:57,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) 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 07:35:57,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2023-11-19 07:35:57,463 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-19 07:35:57,464 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:35:57,464 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-19 07:35:57,464 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:35:57,464 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 5 letters. Loop has 4 letters. [2023-11-19 07:35:57,464 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:35:57,464 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 860 states and 933 transitions. [2023-11-19 07:35:57,470 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 110 [2023-11-19 07:35:57,476 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 860 states to 832 states and 900 transitions. [2023-11-19 07:35:57,476 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 115 [2023-11-19 07:35:57,477 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 115 [2023-11-19 07:35:57,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 832 states and 900 transitions. [2023-11-19 07:35:57,477 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:35:57,477 INFO L218 hiAutomatonCegarLoop]: Abstraction has 832 states and 900 transitions. [2023-11-19 07:35:57,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states and 900 transitions. [2023-11-19 07:35:57,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 784. [2023-11-19 07:35:57,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 784 states have (on average 1.0816326530612246) internal successors, (848), 783 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:57,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 848 transitions. [2023-11-19 07:35:57,491 INFO L240 hiAutomatonCegarLoop]: Abstraction has 784 states and 848 transitions. [2023-11-19 07:35:57,491 INFO L428 stractBuchiCegarLoop]: Abstraction has 784 states and 848 transitions. [2023-11-19 07:35:57,491 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2023-11-19 07:35:57,492 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 784 states and 848 transitions. [2023-11-19 07:35:57,496 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 110 [2023-11-19 07:35:57,496 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:35:57,496 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:35:57,496 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 2, 1, 1, 1, 1, 1, 1] [2023-11-19 07:35:57,497 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 07:35:57,497 INFO L748 eck$LassoCheckResult]: Stem: 15356#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 15357#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~pre7#1, main_#t~pre6#1, main_#t~pre5#1, main_#t~pre4#1, main_~a~0#1, main_~b~0#1, main_~c~0#1, main_~d~0#1;main_~a~0#1 := 6;main_~b~0#1 := 6;main_~c~0#1 := 6;main_~d~0#1 := 6;main_~a~0#1 := 0; 15358#L22-3 assume !!(main_~a~0#1 < 6);main_~b~0#1 := 0; 15359#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 15363#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 15365#L25-3 assume !!(main_~d~0#1 < 6); 16126#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 16125#L25-3 assume !!(main_~d~0#1 < 6); 16123#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 16121#L25-3 assume !!(main_~d~0#1 < 6); 16119#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 16117#L25-3 assume !!(main_~d~0#1 < 6); 16115#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 16113#L25-3 assume !!(main_~d~0#1 < 6); 16111#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 16109#L25-3 assume !!(main_~d~0#1 < 6); 16106#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 16105#L25-3 assume !(main_~d~0#1 < 6); 15954#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 15733#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 15344#L25-3 [2023-11-19 07:35:57,497 INFO L750 eck$LassoCheckResult]: Loop: 15344#L25-3 assume !!(main_~d~0#1 < 6); 15343#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 15344#L25-3 [2023-11-19 07:35:57,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:57,497 INFO L85 PathProgramCache]: Analyzing trace with hash 310397559, now seen corresponding path program 2 times [2023-11-19 07:35:57,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:57,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64793189] [2023-11-19 07:35:57,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:57,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:57,503 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:57,507 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:57,508 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:57,508 INFO L85 PathProgramCache]: Analyzing trace with hash 2051, now seen corresponding path program 2 times [2023-11-19 07:35:57,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:57,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874207507] [2023-11-19 07:35:57,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:57,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:57,510 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:57,512 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:57,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:57,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1939311865, now seen corresponding path program 3 times [2023-11-19 07:35:57,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:57,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574787231] [2023-11-19 07:35:57,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:57,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:57,518 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:57,523 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:57,535 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:35:57,535 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:35:57,535 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:35:57,535 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:35:57,535 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:35:57,536 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:57,536 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:35:57,536 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:35:57,536 INFO L133 ssoRankerPreferences]: Filename of dumped script: nested_4.c_Iteration13_Loop [2023-11-19 07:35:57,536 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:35:57,536 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:35:57,537 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:57,539 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:57,560 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:35:57,560 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:35:57,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:57,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:57,562 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:57,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-19 07:35:57,566 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:35:57,567 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:35:57,592 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:35:57,592 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~pre7#1=0} Honda state: {ULTIMATE.start_main_#t~pre7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:35:57,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:57,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:57,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:57,612 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:57,615 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:35:57,615 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:35:57,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-19 07:35:57,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:57,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:57,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:57,657 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:57,659 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:35:57,660 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:35:57,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-19 07:35:57,703 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:35:57,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2023-11-19 07:35:57,707 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:35:57,707 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:35:57,707 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:35:57,707 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:35:57,707 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:35:57,707 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:57,707 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:35:57,707 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:35:57,707 INFO L133 ssoRankerPreferences]: Filename of dumped script: nested_4.c_Iteration13_Loop [2023-11-19 07:35:57,707 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:35:57,707 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:35:57,708 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:57,711 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:57,733 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:35:57,733 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:35:57,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:57,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:57,735 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:57,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-19 07:35:57,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:35:57,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:35:57,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:35:57,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:35:57,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:35:57,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:35:57,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:35:57,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:35:57,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:35:57,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2023-11-19 07:35:57,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:57,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:57,763 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:57,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-19 07:35:57,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:35:57,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:35:57,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:35:57,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:35:57,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:35:57,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:35:57,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:35:57,776 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:35:57,787 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:35:57,789 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:35:57,789 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-19 07:35:57,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:57,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:57,799 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:57,800 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:35:57,801 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:35:57,801 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:35:57,801 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~d~0#1) = -2*ULTIMATE.start_main_~d~0#1 + 11 Supporting invariants [] [2023-11-19 07:35:57,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-19 07:35:57,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:57,816 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:35:57,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:57,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:35:57,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:57,879 WARN L260 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:35:57,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:57,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:57,896 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:35:57,896 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 784 states and 848 transitions. cyclomatic complexity: 70 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:57,922 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 784 states and 848 transitions. cyclomatic complexity: 70. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 856 states and 927 transitions. Complement of second has 7 states. [2023-11-19 07:35:57,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 07:35:57,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:57,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2023-11-19 07:35:57,929 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 20 letters. Loop has 2 letters. [2023-11-19 07:35:57,930 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:35:57,931 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-19 07:35:57,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:57,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:35:57,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:57,991 WARN L260 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:35:57,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:58,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:58,008 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:35:58,008 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 784 states and 848 transitions. cyclomatic complexity: 70 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:58,032 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 784 states and 848 transitions. cyclomatic complexity: 70. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 856 states and 927 transitions. Complement of second has 7 states. [2023-11-19 07:35:58,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 07:35:58,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:58,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2023-11-19 07:35:58,033 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 20 letters. Loop has 2 letters. [2023-11-19 07:35:58,034 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:35:58,034 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-19 07:35:58,047 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:58,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:35:58,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:58,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:58,091 WARN L260 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:35:58,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:58,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:35:58,106 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:35:58,106 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 784 states and 848 transitions. cyclomatic complexity: 70 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:58,140 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 784 states and 848 transitions. cyclomatic complexity: 70. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1218 states and 1335 transitions. Complement of second has 6 states. [2023-11-19 07:35:58,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 07:35:58,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:58,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2023-11-19 07:35:58,142 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 20 letters. Loop has 2 letters. [2023-11-19 07:35:58,142 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:35:58,142 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 22 letters. Loop has 2 letters. [2023-11-19 07:35:58,143 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:35:58,143 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 20 letters. Loop has 4 letters. [2023-11-19 07:35:58,143 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:35:58,143 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1218 states and 1335 transitions. [2023-11-19 07:35:58,155 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2023-11-19 07:35:58,162 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1218 states to 769 states and 830 transitions. [2023-11-19 07:35:58,162 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2023-11-19 07:35:58,163 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2023-11-19 07:35:58,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 769 states and 830 transitions. [2023-11-19 07:35:58,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:35:58,164 INFO L218 hiAutomatonCegarLoop]: Abstraction has 769 states and 830 transitions. [2023-11-19 07:35:58,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states and 830 transitions. [2023-11-19 07:35:58,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 766. [2023-11-19 07:35:58,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 766 states have (on average 1.0796344647519582) internal successors, (827), 765 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:58,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 827 transitions. [2023-11-19 07:35:58,180 INFO L240 hiAutomatonCegarLoop]: Abstraction has 766 states and 827 transitions. [2023-11-19 07:35:58,180 INFO L428 stractBuchiCegarLoop]: Abstraction has 766 states and 827 transitions. [2023-11-19 07:35:58,180 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2023-11-19 07:35:58,180 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 766 states and 827 transitions. [2023-11-19 07:35:58,184 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2023-11-19 07:35:58,184 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:35:58,185 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:35:58,186 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [36, 36, 6, 6, 6, 2, 1, 1, 1, 1, 1] [2023-11-19 07:35:58,187 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [6, 6, 1, 1, 1] [2023-11-19 07:35:58,187 INFO L748 eck$LassoCheckResult]: Stem: 19306#$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(11, 2);call #Ultimate.allocInit(12, 3); 19307#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~pre7#1, main_#t~pre6#1, main_#t~pre5#1, main_#t~pre4#1, main_~a~0#1, main_~b~0#1, main_~c~0#1, main_~d~0#1;main_~a~0#1 := 6;main_~b~0#1 := 6;main_~c~0#1 := 6;main_~d~0#1 := 6;main_~a~0#1 := 0; 19312#L22-3 assume !!(main_~a~0#1 < 6);main_~b~0#1 := 0; 19308#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 19309#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 19689#L25-3 assume !!(main_~d~0#1 < 6); 19687#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19685#L25-3 assume !!(main_~d~0#1 < 6); 19683#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19681#L25-3 assume !!(main_~d~0#1 < 6); 19679#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19677#L25-3 assume !!(main_~d~0#1 < 6); 19676#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19673#L25-3 assume !!(main_~d~0#1 < 6); 19671#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19669#L25-3 assume !!(main_~d~0#1 < 6); 19666#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19665#L25-3 assume !(main_~d~0#1 < 6); 19663#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 19661#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 19659#L25-3 assume !!(main_~d~0#1 < 6); 19657#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19655#L25-3 assume !!(main_~d~0#1 < 6); 19653#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19651#L25-3 assume !!(main_~d~0#1 < 6); 19649#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19647#L25-3 assume !!(main_~d~0#1 < 6); 19646#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19643#L25-3 assume !!(main_~d~0#1 < 6); 19641#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19639#L25-3 assume !!(main_~d~0#1 < 6); 19636#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19635#L25-3 assume !(main_~d~0#1 < 6); 19633#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 19631#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 19629#L25-3 assume !!(main_~d~0#1 < 6); 19627#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19625#L25-3 assume !!(main_~d~0#1 < 6); 19623#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19621#L25-3 assume !!(main_~d~0#1 < 6); 19619#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19617#L25-3 assume !!(main_~d~0#1 < 6); 19616#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19613#L25-3 assume !!(main_~d~0#1 < 6); 19611#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19609#L25-3 assume !!(main_~d~0#1 < 6); 19606#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19605#L25-3 assume !(main_~d~0#1 < 6); 19603#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 19601#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 19599#L25-3 assume !!(main_~d~0#1 < 6); 19597#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19595#L25-3 assume !!(main_~d~0#1 < 6); 19593#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19591#L25-3 assume !!(main_~d~0#1 < 6); 19589#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19587#L25-3 assume !!(main_~d~0#1 < 6); 19586#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19583#L25-3 assume !!(main_~d~0#1 < 6); 19581#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19579#L25-3 assume !!(main_~d~0#1 < 6); 19576#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19575#L25-3 assume !(main_~d~0#1 < 6); 19573#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 19571#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 19569#L25-3 assume !!(main_~d~0#1 < 6); 19567#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19565#L25-3 assume !!(main_~d~0#1 < 6); 19563#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19561#L25-3 assume !!(main_~d~0#1 < 6); 19559#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19557#L25-3 assume !!(main_~d~0#1 < 6); 19556#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19553#L25-3 assume !!(main_~d~0#1 < 6); 19551#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19549#L25-3 assume !!(main_~d~0#1 < 6); 19547#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19546#L25-3 assume !(main_~d~0#1 < 6); 19544#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 19542#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 19504#L25-3 assume !!(main_~d~0#1 < 6); 19539#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19537#L25-3 assume !!(main_~d~0#1 < 6); 19535#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19533#L25-3 assume !!(main_~d~0#1 < 6); 19531#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19528#L25-3 assume !!(main_~d~0#1 < 6); 19526#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19522#L25-3 assume !!(main_~d~0#1 < 6); 19519#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19515#L25-3 assume !!(main_~d~0#1 < 6); 19510#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19509#L25-3 assume !(main_~d~0#1 < 6); 19507#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 19503#L24-3 assume !(main_~c~0#1 < 6); 19501#L23-2 main_#t~pre5#1 := 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1;havoc main_#t~pre5#1; 19497#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 19296#L24-3 [2023-11-19 07:35:58,187 INFO L750 eck$LassoCheckResult]: Loop: 19296#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 19303#L25-3 assume !!(main_~d~0#1 < 6); 19304#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19530#L25-3 assume !!(main_~d~0#1 < 6); 19527#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19525#L25-3 assume !!(main_~d~0#1 < 6); 19521#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19518#L25-3 assume !!(main_~d~0#1 < 6); 19514#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19512#L25-3 assume !!(main_~d~0#1 < 6); 19508#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19506#L25-3 assume !!(main_~d~0#1 < 6); 19500#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 19499#L25-3 assume !(main_~d~0#1 < 6); 19295#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 19296#L24-3 [2023-11-19 07:35:58,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:58,188 INFO L85 PathProgramCache]: Analyzing trace with hash -901436333, now seen corresponding path program 2 times [2023-11-19 07:35:58,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:58,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118946984] [2023-11-19 07:35:58,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:58,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:58,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:58,203 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:58,219 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:58,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:58,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1161196429, now seen corresponding path program 2 times [2023-11-19 07:35:58,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:58,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324724750] [2023-11-19 07:35:58,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:58,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:58,224 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:58,227 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:58,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:58,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1529665787, now seen corresponding path program 3 times [2023-11-19 07:35:58,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:58,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219212334] [2023-11-19 07:35:58,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:58,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:35:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:58,245 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:35:58,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:35:58,263 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:35:58,337 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:35:58,337 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:35:58,338 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:35:58,338 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:35:58,338 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:35:58,338 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:58,338 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:35:58,338 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:35:58,338 INFO L133 ssoRankerPreferences]: Filename of dumped script: nested_4.c_Iteration14_Loop [2023-11-19 07:35:58,338 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:35:58,339 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:35:58,339 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:58,342 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:58,345 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:58,348 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:58,386 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:35:58,387 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:35:58,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:58,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:58,388 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:58,391 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:35:58,391 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:35:58,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-19 07:35:58,413 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:35:58,413 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~pre7#1=0} Honda state: {ULTIMATE.start_main_#t~pre7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:35:58,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:58,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:58,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:58,433 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:58,436 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:35:58,436 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:35:58,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-19 07:35:58,471 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:35:58,471 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~d~0#1=6} Honda state: {ULTIMATE.start_main_~d~0#1=6} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:35:58,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:58,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:58,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:58,491 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:58,496 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:35:58,496 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:35:58,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-19 07:35:58,519 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:35:58,519 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~pre6#1=0} Honda state: {ULTIMATE.start_main_#t~pre6#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:35:58,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:58,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:58,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:58,539 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:58,543 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:35:58,544 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:35:58,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-19 07:35:58,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:58,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:58,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:58,584 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:58,587 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:35:58,587 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:35:58,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-19 07:35:58,634 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:35:58,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:58,639 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:35:58,639 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:35:58,639 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:35:58,639 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:35:58,639 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:35:58,639 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:58,640 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:35:58,640 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:35:58,640 INFO L133 ssoRankerPreferences]: Filename of dumped script: nested_4.c_Iteration14_Loop [2023-11-19 07:35:58,640 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:35:58,640 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:35:58,640 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:58,643 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:58,645 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:58,651 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:35:58,738 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:35:58,738 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:35:58,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:58,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:58,743 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:58,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:58,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:58,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:35:58,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-19 07:35:58,798 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:35:58,798 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:35:58,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:35:58,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:35:58,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:35:58,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:35:58,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:35:58,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:58,811 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:35:58,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:58,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:58,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:58,830 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:58,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:35:58,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:35:58,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:35:58,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:35:58,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:35:58,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:35:58,846 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:35:58,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:35:58,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-19 07:35:58,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:35:58,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:58,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:58,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:58,875 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:58,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:35:58,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:35:58,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:35:58,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:35:58,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:35:58,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:35:58,890 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:35:58,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:35:58,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-19 07:35:58,903 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:35:58,916 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:35:58,916 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-19 07:35:58,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:35:58,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:35:58,918 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:35:58,919 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:35:58,920 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:35:58,920 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:35:58,920 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~c~0#1) = -2*ULTIMATE.start_main_~c~0#1 + 11 Supporting invariants [] [2023-11-19 07:35:58,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-19 07:35:58,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-11-19 07:35:58,938 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:35:58,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:58,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:35:58,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:59,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:35:59,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:59,214 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 07:35:59,215 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:35:59,215 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 766 states and 827 transitions. cyclomatic complexity: 65 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:59,242 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 766 states and 827 transitions. cyclomatic complexity: 65. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1125 states and 1215 transitions. Complement of second has 7 states. [2023-11-19 07:35:59,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 07:35:59,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:59,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2023-11-19 07:35:59,244 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 97 letters. Loop has 15 letters. [2023-11-19 07:35:59,245 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:35:59,245 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-19 07:35:59,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:59,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:35:59,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:59,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:35:59,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:59,538 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 07:35:59,539 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:35:59,539 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 766 states and 827 transitions. cyclomatic complexity: 65 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:59,566 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 766 states and 827 transitions. cyclomatic complexity: 65. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1125 states and 1215 transitions. Complement of second has 7 states. [2023-11-19 07:35:59,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 07:35:59,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:59,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2023-11-19 07:35:59,568 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 97 letters. Loop has 15 letters. [2023-11-19 07:35:59,568 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:35:59,569 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-19 07:35:59,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:59,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:35:59,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:35:59,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:35:59,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:35:59,837 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 07:35:59,838 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:35:59,838 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 766 states and 827 transitions. cyclomatic complexity: 65 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:59,869 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 766 states and 827 transitions. cyclomatic complexity: 65. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1474 states and 1593 transitions. Complement of second has 6 states. [2023-11-19 07:35:59,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 07:35:59,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:59,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2023-11-19 07:35:59,871 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 97 letters. Loop has 15 letters. [2023-11-19 07:35:59,872 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:35:59,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 112 letters. Loop has 15 letters. [2023-11-19 07:35:59,872 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:35:59,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 97 letters. Loop has 30 letters. [2023-11-19 07:35:59,873 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:35:59,873 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1474 states and 1593 transitions. [2023-11-19 07:35:59,890 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2023-11-19 07:35:59,895 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1474 states to 658 states and 709 transitions. [2023-11-19 07:35:59,895 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2023-11-19 07:35:59,895 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2023-11-19 07:35:59,896 INFO L73 IsDeterministic]: Start isDeterministic. Operand 658 states and 709 transitions. [2023-11-19 07:35:59,896 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:35:59,896 INFO L218 hiAutomatonCegarLoop]: Abstraction has 658 states and 709 transitions. [2023-11-19 07:35:59,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states and 709 transitions. [2023-11-19 07:35:59,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 657. [2023-11-19 07:35:59,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 657 states, 657 states have (on average 1.0776255707762556) internal successors, (708), 656 states have internal predecessors, (708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:35:59,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 708 transitions. [2023-11-19 07:35:59,908 INFO L240 hiAutomatonCegarLoop]: Abstraction has 657 states and 708 transitions. [2023-11-19 07:35:59,908 INFO L428 stractBuchiCegarLoop]: Abstraction has 657 states and 708 transitions. [2023-11-19 07:35:59,909 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2023-11-19 07:35:59,909 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 657 states and 708 transitions. [2023-11-19 07:35:59,912 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 93 [2023-11-19 07:35:59,912 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:35:59,912 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:35:59,933 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [216, 216, 36, 36, 36, 6, 6, 6, 2, 1, 1, 1, 1] [2023-11-19 07:35:59,933 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [36, 36, 6, 6, 6, 1, 1, 1] [2023-11-19 07:35:59,934 INFO L748 eck$LassoCheckResult]: Stem: 24838#$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(11, 2);call #Ultimate.allocInit(12, 3); 24839#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~pre7#1, main_#t~pre6#1, main_#t~pre5#1, main_#t~pre4#1, main_~a~0#1, main_~b~0#1, main_~c~0#1, main_~d~0#1;main_~a~0#1 := 6;main_~b~0#1 := 6;main_~c~0#1 := 6;main_~d~0#1 := 6;main_~a~0#1 := 0; 24843#L22-3 assume !!(main_~a~0#1 < 6);main_~b~0#1 := 0; 24841#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 24842#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25475#L25-3 assume !!(main_~d~0#1 < 6); 25474#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25473#L25-3 assume !!(main_~d~0#1 < 6); 25472#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25471#L25-3 assume !!(main_~d~0#1 < 6); 25470#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25469#L25-3 assume !!(main_~d~0#1 < 6); 25468#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25467#L25-3 assume !!(main_~d~0#1 < 6); 25466#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25465#L25-3 assume !!(main_~d~0#1 < 6); 25464#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25463#L25-3 assume !(main_~d~0#1 < 6); 25462#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25461#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25459#L25-3 assume !!(main_~d~0#1 < 6); 25457#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25455#L25-3 assume !!(main_~d~0#1 < 6); 25453#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25451#L25-3 assume !!(main_~d~0#1 < 6); 25449#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25447#L25-3 assume !!(main_~d~0#1 < 6); 25445#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25443#L25-3 assume !!(main_~d~0#1 < 6); 25441#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25439#L25-3 assume !!(main_~d~0#1 < 6); 25436#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25435#L25-3 assume !(main_~d~0#1 < 6); 25433#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25431#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25429#L25-3 assume !!(main_~d~0#1 < 6); 25427#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25425#L25-3 assume !!(main_~d~0#1 < 6); 25423#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25421#L25-3 assume !!(main_~d~0#1 < 6); 25419#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25417#L25-3 assume !!(main_~d~0#1 < 6); 25415#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25413#L25-3 assume !!(main_~d~0#1 < 6); 25411#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25409#L25-3 assume !!(main_~d~0#1 < 6); 25406#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25405#L25-3 assume !(main_~d~0#1 < 6); 25403#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25401#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25399#L25-3 assume !!(main_~d~0#1 < 6); 25397#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25395#L25-3 assume !!(main_~d~0#1 < 6); 25393#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25391#L25-3 assume !!(main_~d~0#1 < 6); 25389#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25387#L25-3 assume !!(main_~d~0#1 < 6); 25385#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25383#L25-3 assume !!(main_~d~0#1 < 6); 25381#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25379#L25-3 assume !!(main_~d~0#1 < 6); 25376#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25375#L25-3 assume !(main_~d~0#1 < 6); 25373#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25371#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25369#L25-3 assume !!(main_~d~0#1 < 6); 25367#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25365#L25-3 assume !!(main_~d~0#1 < 6); 25363#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25361#L25-3 assume !!(main_~d~0#1 < 6); 25359#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25357#L25-3 assume !!(main_~d~0#1 < 6); 25355#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25353#L25-3 assume !!(main_~d~0#1 < 6); 25351#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25349#L25-3 assume !!(main_~d~0#1 < 6); 25346#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25345#L25-3 assume !(main_~d~0#1 < 6); 25343#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25341#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25312#L25-3 assume !!(main_~d~0#1 < 6); 25339#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25337#L25-3 assume !!(main_~d~0#1 < 6); 25335#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25333#L25-3 assume !!(main_~d~0#1 < 6); 25331#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25329#L25-3 assume !!(main_~d~0#1 < 6); 25327#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25325#L25-3 assume !!(main_~d~0#1 < 6); 25323#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25321#L25-3 assume !!(main_~d~0#1 < 6); 25318#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25317#L25-3 assume !(main_~d~0#1 < 6); 25315#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25311#L24-3 assume !(main_~c~0#1 < 6); 24835#L23-2 main_#t~pre5#1 := 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1;havoc main_#t~pre5#1; 24836#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 24846#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 24837#L25-3 assume !!(main_~d~0#1 < 6); 24829#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24830#L25-3 assume !!(main_~d~0#1 < 6); 25485#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25484#L25-3 assume !!(main_~d~0#1 < 6); 25483#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25482#L25-3 assume !!(main_~d~0#1 < 6); 25481#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25480#L25-3 assume !!(main_~d~0#1 < 6); 25479#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25478#L25-3 assume !!(main_~d~0#1 < 6); 25477#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25476#L25-3 assume !(main_~d~0#1 < 6); 24831#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 24832#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25460#L25-3 assume !!(main_~d~0#1 < 6); 25458#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25456#L25-3 assume !!(main_~d~0#1 < 6); 25454#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25452#L25-3 assume !!(main_~d~0#1 < 6); 25450#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25448#L25-3 assume !!(main_~d~0#1 < 6); 25446#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25444#L25-3 assume !!(main_~d~0#1 < 6); 25442#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25440#L25-3 assume !!(main_~d~0#1 < 6); 25438#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25437#L25-3 assume !(main_~d~0#1 < 6); 25434#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25432#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25430#L25-3 assume !!(main_~d~0#1 < 6); 25428#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25426#L25-3 assume !!(main_~d~0#1 < 6); 25424#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25422#L25-3 assume !!(main_~d~0#1 < 6); 25420#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25418#L25-3 assume !!(main_~d~0#1 < 6); 25416#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25414#L25-3 assume !!(main_~d~0#1 < 6); 25412#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25410#L25-3 assume !!(main_~d~0#1 < 6); 25408#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25407#L25-3 assume !(main_~d~0#1 < 6); 25404#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25402#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25400#L25-3 assume !!(main_~d~0#1 < 6); 25398#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25396#L25-3 assume !!(main_~d~0#1 < 6); 25394#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25392#L25-3 assume !!(main_~d~0#1 < 6); 25390#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25388#L25-3 assume !!(main_~d~0#1 < 6); 25386#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25384#L25-3 assume !!(main_~d~0#1 < 6); 25382#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25380#L25-3 assume !!(main_~d~0#1 < 6); 25378#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25377#L25-3 assume !(main_~d~0#1 < 6); 25374#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25372#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25370#L25-3 assume !!(main_~d~0#1 < 6); 25368#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25366#L25-3 assume !!(main_~d~0#1 < 6); 25364#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25362#L25-3 assume !!(main_~d~0#1 < 6); 25360#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25358#L25-3 assume !!(main_~d~0#1 < 6); 25356#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25354#L25-3 assume !!(main_~d~0#1 < 6); 25352#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25350#L25-3 assume !!(main_~d~0#1 < 6); 25348#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25347#L25-3 assume !(main_~d~0#1 < 6); 25344#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25342#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25314#L25-3 assume !!(main_~d~0#1 < 6); 25340#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25338#L25-3 assume !!(main_~d~0#1 < 6); 25336#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25334#L25-3 assume !!(main_~d~0#1 < 6); 25332#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25330#L25-3 assume !!(main_~d~0#1 < 6); 25328#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25326#L25-3 assume !!(main_~d~0#1 < 6); 25324#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25322#L25-3 assume !!(main_~d~0#1 < 6); 25320#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25319#L25-3 assume !(main_~d~0#1 < 6); 25316#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25313#L24-3 assume !(main_~c~0#1 < 6); 25310#L23-2 main_#t~pre5#1 := 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1;havoc main_#t~pre5#1; 25309#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 25308#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25307#L25-3 assume !!(main_~d~0#1 < 6); 25306#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25305#L25-3 assume !!(main_~d~0#1 < 6); 25304#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25303#L25-3 assume !!(main_~d~0#1 < 6); 25302#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25301#L25-3 assume !!(main_~d~0#1 < 6); 25300#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25299#L25-3 assume !!(main_~d~0#1 < 6); 25298#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25297#L25-3 assume !!(main_~d~0#1 < 6); 25296#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25295#L25-3 assume !(main_~d~0#1 < 6); 25294#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25293#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25292#L25-3 assume !!(main_~d~0#1 < 6); 25291#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25290#L25-3 assume !!(main_~d~0#1 < 6); 25289#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25288#L25-3 assume !!(main_~d~0#1 < 6); 25287#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25286#L25-3 assume !!(main_~d~0#1 < 6); 25285#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25284#L25-3 assume !!(main_~d~0#1 < 6); 25283#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25282#L25-3 assume !!(main_~d~0#1 < 6); 25281#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25280#L25-3 assume !(main_~d~0#1 < 6); 25279#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25278#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25277#L25-3 assume !!(main_~d~0#1 < 6); 25276#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25275#L25-3 assume !!(main_~d~0#1 < 6); 25274#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25273#L25-3 assume !!(main_~d~0#1 < 6); 25272#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25271#L25-3 assume !!(main_~d~0#1 < 6); 25270#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25269#L25-3 assume !!(main_~d~0#1 < 6); 25268#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25267#L25-3 assume !!(main_~d~0#1 < 6); 25266#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25265#L25-3 assume !(main_~d~0#1 < 6); 25264#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25263#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25262#L25-3 assume !!(main_~d~0#1 < 6); 25261#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25260#L25-3 assume !!(main_~d~0#1 < 6); 25259#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25258#L25-3 assume !!(main_~d~0#1 < 6); 25257#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25256#L25-3 assume !!(main_~d~0#1 < 6); 25255#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25254#L25-3 assume !!(main_~d~0#1 < 6); 25253#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25252#L25-3 assume !!(main_~d~0#1 < 6); 25251#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25250#L25-3 assume !(main_~d~0#1 < 6); 25249#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25248#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25247#L25-3 assume !!(main_~d~0#1 < 6); 25246#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25245#L25-3 assume !!(main_~d~0#1 < 6); 25244#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25243#L25-3 assume !!(main_~d~0#1 < 6); 25242#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25241#L25-3 assume !!(main_~d~0#1 < 6); 25240#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25239#L25-3 assume !!(main_~d~0#1 < 6); 25238#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25237#L25-3 assume !!(main_~d~0#1 < 6); 25236#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25235#L25-3 assume !(main_~d~0#1 < 6); 25234#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25233#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25219#L25-3 assume !!(main_~d~0#1 < 6); 25232#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25231#L25-3 assume !!(main_~d~0#1 < 6); 25230#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25229#L25-3 assume !!(main_~d~0#1 < 6); 25228#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25227#L25-3 assume !!(main_~d~0#1 < 6); 25226#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25225#L25-3 assume !!(main_~d~0#1 < 6); 25224#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25223#L25-3 assume !!(main_~d~0#1 < 6); 25222#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25221#L25-3 assume !(main_~d~0#1 < 6); 25220#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25218#L24-3 assume !(main_~c~0#1 < 6); 25217#L23-2 main_#t~pre5#1 := 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1;havoc main_#t~pre5#1; 25216#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 25215#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25214#L25-3 assume !!(main_~d~0#1 < 6); 25213#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25212#L25-3 assume !!(main_~d~0#1 < 6); 25211#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25210#L25-3 assume !!(main_~d~0#1 < 6); 25209#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25208#L25-3 assume !!(main_~d~0#1 < 6); 25207#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25206#L25-3 assume !!(main_~d~0#1 < 6); 25205#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25204#L25-3 assume !!(main_~d~0#1 < 6); 25203#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25202#L25-3 assume !(main_~d~0#1 < 6); 25201#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25200#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25199#L25-3 assume !!(main_~d~0#1 < 6); 25198#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25197#L25-3 assume !!(main_~d~0#1 < 6); 25196#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25195#L25-3 assume !!(main_~d~0#1 < 6); 25194#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25193#L25-3 assume !!(main_~d~0#1 < 6); 25192#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25191#L25-3 assume !!(main_~d~0#1 < 6); 25190#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25189#L25-3 assume !!(main_~d~0#1 < 6); 25188#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25187#L25-3 assume !(main_~d~0#1 < 6); 25186#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25185#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25184#L25-3 assume !!(main_~d~0#1 < 6); 25183#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25182#L25-3 assume !!(main_~d~0#1 < 6); 25181#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25180#L25-3 assume !!(main_~d~0#1 < 6); 25179#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25178#L25-3 assume !!(main_~d~0#1 < 6); 25177#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25176#L25-3 assume !!(main_~d~0#1 < 6); 25175#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25174#L25-3 assume !!(main_~d~0#1 < 6); 25173#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25172#L25-3 assume !(main_~d~0#1 < 6); 25171#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25170#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25169#L25-3 assume !!(main_~d~0#1 < 6); 25168#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25167#L25-3 assume !!(main_~d~0#1 < 6); 25166#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25165#L25-3 assume !!(main_~d~0#1 < 6); 25164#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25163#L25-3 assume !!(main_~d~0#1 < 6); 25162#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25161#L25-3 assume !!(main_~d~0#1 < 6); 25160#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25159#L25-3 assume !!(main_~d~0#1 < 6); 25158#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25157#L25-3 assume !(main_~d~0#1 < 6); 25156#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25155#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25154#L25-3 assume !!(main_~d~0#1 < 6); 25153#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25152#L25-3 assume !!(main_~d~0#1 < 6); 25151#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25150#L25-3 assume !!(main_~d~0#1 < 6); 25149#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25148#L25-3 assume !!(main_~d~0#1 < 6); 25147#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25146#L25-3 assume !!(main_~d~0#1 < 6); 25145#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25144#L25-3 assume !!(main_~d~0#1 < 6); 25143#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25142#L25-3 assume !(main_~d~0#1 < 6); 25141#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25140#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25126#L25-3 assume !!(main_~d~0#1 < 6); 25139#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25138#L25-3 assume !!(main_~d~0#1 < 6); 25137#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25136#L25-3 assume !!(main_~d~0#1 < 6); 25135#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25134#L25-3 assume !!(main_~d~0#1 < 6); 25133#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25132#L25-3 assume !!(main_~d~0#1 < 6); 25131#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25130#L25-3 assume !!(main_~d~0#1 < 6); 25129#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25128#L25-3 assume !(main_~d~0#1 < 6); 25127#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25125#L24-3 assume !(main_~c~0#1 < 6); 25124#L23-2 main_#t~pre5#1 := 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1;havoc main_#t~pre5#1; 25123#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 25122#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25121#L25-3 assume !!(main_~d~0#1 < 6); 25120#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25119#L25-3 assume !!(main_~d~0#1 < 6); 25118#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25117#L25-3 assume !!(main_~d~0#1 < 6); 25116#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25115#L25-3 assume !!(main_~d~0#1 < 6); 25114#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25113#L25-3 assume !!(main_~d~0#1 < 6); 25112#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25111#L25-3 assume !!(main_~d~0#1 < 6); 25110#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25109#L25-3 assume !(main_~d~0#1 < 6); 25108#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25107#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25106#L25-3 assume !!(main_~d~0#1 < 6); 25105#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25104#L25-3 assume !!(main_~d~0#1 < 6); 25103#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25102#L25-3 assume !!(main_~d~0#1 < 6); 25101#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25100#L25-3 assume !!(main_~d~0#1 < 6); 25099#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25098#L25-3 assume !!(main_~d~0#1 < 6); 25097#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25096#L25-3 assume !!(main_~d~0#1 < 6); 25095#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25094#L25-3 assume !(main_~d~0#1 < 6); 25093#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25092#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25091#L25-3 assume !!(main_~d~0#1 < 6); 25090#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25089#L25-3 assume !!(main_~d~0#1 < 6); 25088#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25087#L25-3 assume !!(main_~d~0#1 < 6); 25086#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25085#L25-3 assume !!(main_~d~0#1 < 6); 25084#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25083#L25-3 assume !!(main_~d~0#1 < 6); 25082#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25081#L25-3 assume !!(main_~d~0#1 < 6); 25080#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25079#L25-3 assume !(main_~d~0#1 < 6); 25078#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25077#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25076#L25-3 assume !!(main_~d~0#1 < 6); 25075#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25074#L25-3 assume !!(main_~d~0#1 < 6); 25073#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25072#L25-3 assume !!(main_~d~0#1 < 6); 25071#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25070#L25-3 assume !!(main_~d~0#1 < 6); 25069#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25068#L25-3 assume !!(main_~d~0#1 < 6); 25067#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25066#L25-3 assume !!(main_~d~0#1 < 6); 25065#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25064#L25-3 assume !(main_~d~0#1 < 6); 25063#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25062#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25061#L25-3 assume !!(main_~d~0#1 < 6); 25060#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25059#L25-3 assume !!(main_~d~0#1 < 6); 25058#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25057#L25-3 assume !!(main_~d~0#1 < 6); 25056#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25055#L25-3 assume !!(main_~d~0#1 < 6); 25054#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25053#L25-3 assume !!(main_~d~0#1 < 6); 25052#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25051#L25-3 assume !!(main_~d~0#1 < 6); 25050#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25049#L25-3 assume !(main_~d~0#1 < 6); 25048#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25047#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25033#L25-3 assume !!(main_~d~0#1 < 6); 25046#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25045#L25-3 assume !!(main_~d~0#1 < 6); 25044#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25043#L25-3 assume !!(main_~d~0#1 < 6); 25042#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25041#L25-3 assume !!(main_~d~0#1 < 6); 25040#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25039#L25-3 assume !!(main_~d~0#1 < 6); 25038#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25037#L25-3 assume !!(main_~d~0#1 < 6); 25036#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25035#L25-3 assume !(main_~d~0#1 < 6); 25034#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25032#L24-3 assume !(main_~c~0#1 < 6); 25031#L23-2 main_#t~pre5#1 := 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1;havoc main_#t~pre5#1; 25030#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 24856#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25029#L25-3 assume !!(main_~d~0#1 < 6); 25028#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25027#L25-3 assume !!(main_~d~0#1 < 6); 25026#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25025#L25-3 assume !!(main_~d~0#1 < 6); 25024#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25023#L25-3 assume !!(main_~d~0#1 < 6); 25022#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25021#L25-3 assume !!(main_~d~0#1 < 6); 25019#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25017#L25-3 assume !!(main_~d~0#1 < 6); 25014#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25013#L25-3 assume !(main_~d~0#1 < 6); 25011#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 25009#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 25007#L25-3 assume !!(main_~d~0#1 < 6); 25005#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25003#L25-3 assume !!(main_~d~0#1 < 6); 25001#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25000#L25-3 assume !!(main_~d~0#1 < 6); 24997#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24995#L25-3 assume !!(main_~d~0#1 < 6); 24993#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24991#L25-3 assume !!(main_~d~0#1 < 6); 24989#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24987#L25-3 assume !!(main_~d~0#1 < 6); 24984#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24983#L25-3 assume !(main_~d~0#1 < 6); 24981#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 24979#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 24977#L25-3 assume !!(main_~d~0#1 < 6); 24975#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24973#L25-3 assume !!(main_~d~0#1 < 6); 24971#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24970#L25-3 assume !!(main_~d~0#1 < 6); 24967#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24965#L25-3 assume !!(main_~d~0#1 < 6); 24963#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24961#L25-3 assume !!(main_~d~0#1 < 6); 24959#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24957#L25-3 assume !!(main_~d~0#1 < 6); 24954#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24953#L25-3 assume !(main_~d~0#1 < 6); 24951#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 24949#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 24947#L25-3 assume !!(main_~d~0#1 < 6); 24945#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24943#L25-3 assume !!(main_~d~0#1 < 6); 24941#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24940#L25-3 assume !!(main_~d~0#1 < 6); 24937#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24935#L25-3 assume !!(main_~d~0#1 < 6); 24933#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24931#L25-3 assume !!(main_~d~0#1 < 6); 24929#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24927#L25-3 assume !!(main_~d~0#1 < 6); 24924#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24923#L25-3 assume !(main_~d~0#1 < 6); 24921#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 24919#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 24917#L25-3 assume !!(main_~d~0#1 < 6); 24915#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24913#L25-3 assume !!(main_~d~0#1 < 6); 24911#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24910#L25-3 assume !!(main_~d~0#1 < 6); 24907#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24905#L25-3 assume !!(main_~d~0#1 < 6); 24903#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24901#L25-3 assume !!(main_~d~0#1 < 6); 24899#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24897#L25-3 assume !!(main_~d~0#1 < 6); 24894#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24893#L25-3 assume !(main_~d~0#1 < 6); 24891#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 24889#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 24861#L25-3 assume !!(main_~d~0#1 < 6); 24886#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24884#L25-3 assume !!(main_~d~0#1 < 6); 24882#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24881#L25-3 assume !!(main_~d~0#1 < 6); 24878#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24876#L25-3 assume !!(main_~d~0#1 < 6); 24874#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24873#L25-3 assume !!(main_~d~0#1 < 6); 24871#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24869#L25-3 assume !!(main_~d~0#1 < 6); 24866#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24865#L25-3 assume !(main_~d~0#1 < 6); 24863#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 24860#L24-3 assume !(main_~c~0#1 < 6); 24858#L23-2 main_#t~pre5#1 := 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1;havoc main_#t~pre5#1; 24855#L23-3 assume !(main_~b~0#1 < 6); 24847#L22-2 main_#t~pre4#1 := 1 + main_~a~0#1;main_~a~0#1 := 1 + main_~a~0#1;havoc main_#t~pre4#1; 24844#L22-3 assume !!(main_~a~0#1 < 6);main_~b~0#1 := 0; 24834#L23-3 [2023-11-19 07:35:59,934 INFO L750 eck$LassoCheckResult]: Loop: 24834#L23-3 assume !!(main_~b~0#1 < 6);main_~c~0#1 := 0; 24840#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 24845#L25-3 assume !!(main_~d~0#1 < 6); 25020#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25018#L25-3 assume !!(main_~d~0#1 < 6); 25016#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25015#L25-3 assume !!(main_~d~0#1 < 6); 25012#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25010#L25-3 assume !!(main_~d~0#1 < 6); 25008#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25006#L25-3 assume !!(main_~d~0#1 < 6); 25004#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 25002#L25-3 assume !!(main_~d~0#1 < 6); 24999#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24998#L25-3 assume !(main_~d~0#1 < 6); 24996#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 24994#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 24992#L25-3 assume !!(main_~d~0#1 < 6); 24990#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24988#L25-3 assume !!(main_~d~0#1 < 6); 24986#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24985#L25-3 assume !!(main_~d~0#1 < 6); 24982#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24980#L25-3 assume !!(main_~d~0#1 < 6); 24978#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24976#L25-3 assume !!(main_~d~0#1 < 6); 24974#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24972#L25-3 assume !!(main_~d~0#1 < 6); 24969#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24968#L25-3 assume !(main_~d~0#1 < 6); 24966#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 24964#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 24962#L25-3 assume !!(main_~d~0#1 < 6); 24960#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24958#L25-3 assume !!(main_~d~0#1 < 6); 24956#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24955#L25-3 assume !!(main_~d~0#1 < 6); 24952#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24950#L25-3 assume !!(main_~d~0#1 < 6); 24948#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24946#L25-3 assume !!(main_~d~0#1 < 6); 24944#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24942#L25-3 assume !!(main_~d~0#1 < 6); 24939#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24938#L25-3 assume !(main_~d~0#1 < 6); 24936#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 24934#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 24932#L25-3 assume !!(main_~d~0#1 < 6); 24930#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24928#L25-3 assume !!(main_~d~0#1 < 6); 24926#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24925#L25-3 assume !!(main_~d~0#1 < 6); 24922#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24920#L25-3 assume !!(main_~d~0#1 < 6); 24918#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24916#L25-3 assume !!(main_~d~0#1 < 6); 24914#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24912#L25-3 assume !!(main_~d~0#1 < 6); 24909#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24908#L25-3 assume !(main_~d~0#1 < 6); 24906#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 24904#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 24902#L25-3 assume !!(main_~d~0#1 < 6); 24900#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24898#L25-3 assume !!(main_~d~0#1 < 6); 24896#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24895#L25-3 assume !!(main_~d~0#1 < 6); 24892#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24890#L25-3 assume !!(main_~d~0#1 < 6); 24888#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24887#L25-3 assume !!(main_~d~0#1 < 6); 24885#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24883#L25-3 assume !!(main_~d~0#1 < 6); 24880#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24879#L25-3 assume !(main_~d~0#1 < 6); 24877#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 24875#L24-3 assume !!(main_~c~0#1 < 6);main_~d~0#1 := 0; 24849#L25-3 assume !!(main_~d~0#1 < 6); 24872#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24870#L25-3 assume !!(main_~d~0#1 < 6); 24868#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24867#L25-3 assume !!(main_~d~0#1 < 6); 24864#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24862#L25-3 assume !!(main_~d~0#1 < 6); 24859#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24857#L25-3 assume !!(main_~d~0#1 < 6); 24854#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24853#L25-3 assume !!(main_~d~0#1 < 6); 24852#L25-2 main_#t~pre7#1 := 1 + main_~d~0#1;main_~d~0#1 := 1 + main_~d~0#1;havoc main_#t~pre7#1; 24851#L25-3 assume !(main_~d~0#1 < 6); 24850#L24-2 main_#t~pre6#1 := 1 + main_~c~0#1;main_~c~0#1 := 1 + main_~c~0#1;havoc main_#t~pre6#1; 24848#L24-3 assume !(main_~c~0#1 < 6); 24833#L23-2 main_#t~pre5#1 := 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1;havoc main_#t~pre5#1; 24834#L23-3 [2023-11-19 07:35:59,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:35:59,935 INFO L85 PathProgramCache]: Analyzing trace with hash -749072669, now seen corresponding path program 2 times [2023-11-19 07:35:59,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:35:59,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829194644] [2023-11-19 07:35:59,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:35:59,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:00,048 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:36:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:00,201 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:36:00,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:00,201 INFO L85 PathProgramCache]: Analyzing trace with hash -298958203, now seen corresponding path program 2 times [2023-11-19 07:36:00,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:00,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974785027] [2023-11-19 07:36:00,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:00,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:00,216 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:36:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:00,240 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:36:00,240 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:00,241 INFO L85 PathProgramCache]: Analyzing trace with hash 194283235, now seen corresponding path program 3 times [2023-11-19 07:36:00,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:36:00,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12194028] [2023-11-19 07:36:00,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:36:00,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:36:00,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:00,431 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:36:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:36:00,597 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:36:01,436 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:36:01,436 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:36:01,436 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:36:01,436 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:36:01,436 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 07:36:01,437 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:01,437 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:36:01,437 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:36:01,437 INFO L133 ssoRankerPreferences]: Filename of dumped script: nested_4.c_Iteration15_Loop [2023-11-19 07:36:01,437 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:36:01,437 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:36:01,438 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:01,441 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:01,443 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:01,449 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:01,453 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:01,455 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:01,500 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:36:01,500 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 07:36:01,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:01,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:01,502 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:01,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-19 07:36:01,503 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:36:01,504 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:36:01,521 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:36:01,521 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0#1=6} Honda state: {ULTIMATE.start_main_~c~0#1=6} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:36:01,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:01,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:01,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:01,535 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:01,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-19 07:36:01,536 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:36:01,537 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:36:01,548 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-19 07:36:01,548 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~pre7#1=0} Honda state: {ULTIMATE.start_main_#t~pre7#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-19 07:36:01,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2023-11-19 07:36:01,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:01,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:01,562 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:01,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-19 07:36:01,564 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 07:36:01,564 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:36:01,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2023-11-19 07:36:01,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:01,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:01,588 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:01,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-19 07:36:01,590 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 07:36:01,590 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 07:36:01,619 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 07:36:01,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2023-11-19 07:36:01,623 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:36:01,623 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:36:01,623 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:36:01,623 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:36:01,623 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:36:01,624 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:01,624 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:36:01,624 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:36:01,624 INFO L133 ssoRankerPreferences]: Filename of dumped script: nested_4.c_Iteration15_Loop [2023-11-19 07:36:01,624 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:36:01,624 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:36:01,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:01,627 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:01,631 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:01,635 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:01,641 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:01,646 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:36:01,693 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:36:01,693 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:36:01,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:01,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:01,697 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:01,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-19 07:36:01,699 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:36:01,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:01,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:36:01,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:01,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:01,711 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:01,712 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:36:01,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:36:01,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:36:01,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2023-11-19 07:36:01,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:01,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:01,764 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:01,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-19 07:36:01,768 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:36:01,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:01,778 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:36:01,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:01,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:01,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:01,779 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:36:01,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:36:01,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:36:01,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2023-11-19 07:36:01,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:01,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:01,795 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:01,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-19 07:36:01,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:36:01,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:01,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:36:01,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:01,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:01,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:01,810 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:36:01,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:36:01,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:36:01,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2023-11-19 07:36:01,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:01,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:01,825 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:01,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-11-19 07:36:01,827 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 07:36:01,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:36:01,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:36:01,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:36:01,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:36:01,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:36:01,839 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:36:01,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:36:01,842 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:36:01,844 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 07:36:01,844 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-19 07:36:01,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:36:01,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:36:01,848 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:36:01,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-11-19 07:36:01,856 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:36:01,857 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 07:36:01,857 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:36:01,857 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~b~0#1) = -2*ULTIMATE.start_main_~b~0#1 + 11 Supporting invariants [] [2023-11-19 07:36:01,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d95941b9-9066-4d64-9364-ee9466f34719/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2023-11-19 07:36:01,872 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 07:36:01,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:02,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 938 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:36:02,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:36:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:03,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:36:03,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:36:03,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1527 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1527 trivial. 0 not checked. [2023-11-19 07:36:03,458 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:36:03,458 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 657 states and 708 transitions. cyclomatic complexity: 53 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:36:03,495 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 657 states and 708 transitions. cyclomatic complexity: 53. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 1772 states and 1910 transitions. Complement of second has 7 states. [2023-11-19 07:36:03,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-19 07:36:03,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:36:03,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2023-11-19 07:36:03,499 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 564 letters. Loop has 93 letters. [2023-11-19 07:36:03,500 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:36:03,500 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-19 07:36:03,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:36:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:36:03,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 938 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:36:03,680 INFO L285 TraceCheckSpWp]: Computing forward predicates...