./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Benghazi_nondet-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b 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_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Benghazi_nondet-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2f97933f35fe6dc06fe68cfca662228239a8205559235f014a4e90d641a78f3c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:46:18,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:46:18,404 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-06 22:46:18,415 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:46:18,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:46:18,458 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:46:18,460 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:46:18,461 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:46:18,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:46:18,467 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:46:18,468 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:46:18,469 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:46:18,469 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:46:18,471 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:46:18,471 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:46:18,472 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:46:18,472 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:46:18,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:46:18,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:46:18,474 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:46:18,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:46:18,475 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:46:18,475 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:46:18,476 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:46:18,476 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:46:18,477 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:46:18,477 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:46:18,477 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:46:18,478 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:46:18,478 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:46:18,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:46:18,480 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:46:18,481 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:46:18,481 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_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2f97933f35fe6dc06fe68cfca662228239a8205559235f014a4e90d641a78f3c [2023-11-06 22:46:18,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:46:18,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:46:18,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:46:18,784 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:46:18,785 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:46:18,786 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/termination-crafted/Benghazi_nondet-2.c [2023-11-06 22:46:21,973 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:46:22,255 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:46:22,255 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/sv-benchmarks/c/termination-crafted/Benghazi_nondet-2.c [2023-11-06 22:46:22,263 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/data/64ce40c19/8bc16635eb374d248018bccaf908f534/FLAGf4ea97b6a [2023-11-06 22:46:22,280 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/data/64ce40c19/8bc16635eb374d248018bccaf908f534 [2023-11-06 22:46:22,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:46:22,288 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:46:22,291 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:46:22,292 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:46:22,297 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:46:22,298 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:46:22" (1/1) ... [2023-11-06 22:46:22,300 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55747925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:22, skipping insertion in model container [2023-11-06 22:46:22,300 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:46:22" (1/1) ... [2023-11-06 22:46:22,322 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:46:22,495 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:46:22,500 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:46:22,514 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:46:22,527 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:46:22,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:22 WrapperNode [2023-11-06 22:46:22,528 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:46:22,529 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:46:22,529 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:46:22,529 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:46:22,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:22" (1/1) ... [2023-11-06 22:46:22,541 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:22" (1/1) ... [2023-11-06 22:46:22,558 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 34 [2023-11-06 22:46:22,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:46:22,559 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:46:22,559 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:46:22,559 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:46:22,568 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:22" (1/1) ... [2023-11-06 22:46:22,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:22" (1/1) ... [2023-11-06 22:46:22,569 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:22" (1/1) ... [2023-11-06 22:46:22,569 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:22" (1/1) ... [2023-11-06 22:46:22,572 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:22" (1/1) ... [2023-11-06 22:46:22,575 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:22" (1/1) ... [2023-11-06 22:46:22,576 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:22" (1/1) ... [2023-11-06 22:46:22,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:22" (1/1) ... [2023-11-06 22:46:22,578 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:46:22,579 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:46:22,579 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:46:22,579 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:46:22,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:22" (1/1) ... [2023-11-06 22:46:22,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:46:22,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:22,610 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:46:22,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:46:22,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:46:22,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:46:22,739 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:46:22,741 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:46:22,830 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:46:22,836 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:46:22,837 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:46:22,839 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:46:22 BoogieIcfgContainer [2023-11-06 22:46:22,839 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:46:22,840 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 22:46:22,840 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 22:46:22,844 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 22:46:22,845 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:46:22,845 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 10:46:22" (1/3) ... [2023-11-06 22:46:22,846 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36444414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:46:22, skipping insertion in model container [2023-11-06 22:46:22,846 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:46:22,846 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:46:22" (2/3) ... [2023-11-06 22:46:22,847 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@36444414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:46:22, skipping insertion in model container [2023-11-06 22:46:22,847 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:46:22,847 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:46:22" (3/3) ... [2023-11-06 22:46:22,849 INFO L332 chiAutomizerObserver]: Analyzing ICFG Benghazi_nondet-2.c [2023-11-06 22:46:22,904 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 22:46:22,904 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 22:46:22,905 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 22:46:22,905 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 22:46:22,905 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 22:46:22,905 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 22:46:22,905 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 22:46:22,906 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 22:46:22,910 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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) [2023-11-06 22:46:22,928 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-06 22:46:22,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:46:22,928 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:46:22,934 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-06 22:46:22,934 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-06 22:46:22,935 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 22:46:22,935 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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) [2023-11-06 22:46:22,936 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-11-06 22:46:22,937 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:46:22,937 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:46:22,937 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-06 22:46:22,937 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-11-06 22:46:22,945 INFO L748 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~x~0#1, main_~d1~0#1, main_~d2~0#1, main_~d1old~0#1;havoc main_~x~0#1;havoc main_~d1~0#1;havoc main_~d2~0#1;havoc main_~d1old~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~d1~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;havoc main_#t~nondet2#1;main_~d2~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 3#L18true assume !!(-1048575 <= main_~x~0#1 && main_~x~0#1 <= 1048575); 9#L19true assume !!(-1048575 <= main_~d1~0#1 && main_~d1~0#1 <= 1048575); 10#L20true assume !!(-1048575 <= main_~d2~0#1 && main_~d2~0#1 <= 1048575); 7#L21-2true [2023-11-06 22:46:22,946 INFO L750 eck$LassoCheckResult]: Loop: 7#L21-2true assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~d1~0#1;main_~d1old~0#1 := main_~d1~0#1;main_~d1~0#1 := 1 + main_~d2~0#1;main_~d2~0#1 := 1 + main_~d1old~0#1; 7#L21-2true [2023-11-06 22:46:22,951 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:22,952 INFO L85 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2023-11-06 22:46:22,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:22,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656592749] [2023-11-06 22:46:22,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:22,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:23,050 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:46:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:23,074 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:46:23,077 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:23,077 INFO L85 PathProgramCache]: Analyzing trace with hash 57, now seen corresponding path program 1 times [2023-11-06 22:46:23,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:23,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779695568] [2023-11-06 22:46:23,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:23,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:23,092 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:46:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:23,099 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:46:23,101 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:23,101 INFO L85 PathProgramCache]: Analyzing trace with hash 889571345, now seen corresponding path program 1 times [2023-11-06 22:46:23,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:46:23,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157097787] [2023-11-06 22:46:23,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:23,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:46:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:23,114 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:46:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:46:23,123 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:46:23,231 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:46:23,232 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:46:23,233 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:46:23,233 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:46:23,233 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 22:46:23,233 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:46:23,234 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:46:23,234 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:46:23,234 INFO L133 ssoRankerPreferences]: Filename of dumped script: Benghazi_nondet-2.c_Iteration1_Loop [2023-11-06 22:46:23,234 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:46:23,234 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:46:23,255 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:46:23,269 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:46:23,274 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:46:23,384 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:46:23,385 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 22:46:23,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:46:23,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:23,403 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:46:23,415 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:46:23,415 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:46:23,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-06 22:46:23,445 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 22:46:23,445 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 22:46:23,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-06 22:46:23,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:46:23,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:23,456 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:46:23,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-06 22:46:23,464 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:46:23,465 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:46:23,487 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 22:46:23,487 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 22:46:23,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:46:23,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:46:23,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:23,498 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:46:23,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-06 22:46:23,501 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 22:46:23,501 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:46:23,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:46:23,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:46:23,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:23,547 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:46:23,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-06 22:46:23,553 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 22:46:23,554 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 22:46:27,663 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 22:46:27,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:46:27,668 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:46:27,668 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:46:27,668 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:46:27,669 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:46:27,669 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:46:27,669 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:46:27,669 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:46:27,669 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:46:27,669 INFO L133 ssoRankerPreferences]: Filename of dumped script: Benghazi_nondet-2.c_Iteration1_Loop [2023-11-06 22:46:27,669 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:46:27,669 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:46:27,672 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:46:27,682 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:46:27,686 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:46:27,803 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:46:27,808 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:46:27,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:46:27,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:27,812 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:46:27,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-06 22:46:27,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:46:27,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:46:27,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:46:27,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:46:27,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:46:27,835 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:46:27,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:46:27,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:46:27,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:46:27,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:46:27,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:27,862 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:46:27,877 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 [2023-11-06 22:46:27,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:46:27,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:46:27,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:46:27,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:46:27,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-06 22:46:27,894 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:46:27,894 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:46:27,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:46:27,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:46:27,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:46:27,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:27,917 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:46:27,921 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 [2023-11-06 22:46:27,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-06 22:46:27,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:46:27,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:46:27,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:46:27,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:46:27,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:46:27,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:46:27,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:46:27,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:46:27,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-06 22:46:27,948 INFO L490 LassoAnalysis]: Using template '2-nested'. [2023-11-06 22:46:27,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:46:27,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:27,950 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:46:27,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-06 22:46:27,953 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 [2023-11-06 22:46:27,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:46:27,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:46:27,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:46:27,964 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-06 22:46:27,972 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-06 22:46:27,973 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-06 22:46:27,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:46:27,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:46:27,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:46:27,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:27,999 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:46:28,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:46:28,020 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:46:28,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:46:28,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:46:28,020 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-06 22:46:28,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-06 22:46:28,031 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2023-11-06 22:46:28,032 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2023-11-06 22:46:28,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:46:28,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:46:28,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:46:28,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:28,067 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:46:28,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:46:28,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-06 22:46:28,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:46:28,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:46:28,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:46:28,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:46:28,100 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2023-11-06 22:46:28,105 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2023-11-06 22:46:28,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:46:28,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:46:28,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:46:28,133 INFO L490 LassoAnalysis]: Using template '3-nested'. [2023-11-06 22:46:28,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:46:28,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:28,134 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:46:28,143 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 [2023-11-06 22:46:28,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-06 22:46:28,156 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:46:28,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:46:28,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:46:28,157 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:46:28,162 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-06 22:46:28,162 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-06 22:46:28,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:46:28,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:46:28,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:46:28,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:28,196 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:46:28,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:46:28,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-06 22:46:28,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:46:28,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:46:28,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:46:28,219 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:46:28,224 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-06 22:46:28,225 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-06 22:46:28,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:46:28,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:46:28,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:46:28,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:28,254 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:46:28,265 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 [2023-11-06 22:46:28,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-06 22:46:28,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:46:28,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:46:28,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:46:28,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:46:28,280 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2023-11-06 22:46:28,284 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-06 22:46:28,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:46:28,308 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:46:28,322 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-06 22:46:28,322 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-06 22:46:28,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:46:28,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:46:28,366 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:46:28,373 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:46:28,373 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 22:46:28,373 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:46:28,374 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 3-nested ranking function: f0 = -1*ULTIMATE.start_main_~d1~0#1 - 1*ULTIMATE.start_main_~d2~0#1 f1 = -1*ULTIMATE.start_main_~d1~0#1 + 2*ULTIMATE.start_main_~x~0#1 + 1 f2 = 1*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2023-11-06 22:46:28,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-06 22:46:28,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:46:28,389 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 22:46:28,403 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IfThenElseExpression (if -1 * ~d2~0 + -1 * ~d1~0 > 0 then 2 else (if 2 * ~x~0 + -1 * ~d1~0 + 1 > 0 then 1 else 0)) could not be translated [2023-11-06 22:46:28,410 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IfThenElseExpression (if -1 * ~d2~0 + -1 * ~d1~0 > 0 then -1 * ~d2~0 + -1 * ~d1~0 else (if 2 * ~x~0 + -1 * ~d1~0 + 1 > 0 then 2 * ~x~0 + -1 * ~d1~0 + 1 else ~x~0 + 1)) could not be translated [2023-11-06 22:46:28,444 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:28,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:46:28,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:46:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:28,485 WARN L260 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:46:28,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:46:28,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:46:28,543 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-11-06 22:46:28,546 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2023-11-06 22:46:28,606 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 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). Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) Result 20 states and 25 transitions. Complement of second has 6 states. [2023-11-06 22:46:28,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-06 22:46:28,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2023-11-06 22:46:28,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2023-11-06 22:46:28,620 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 1 letters. [2023-11-06 22:46:28,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:46:28,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 6 letters. Loop has 1 letters. [2023-11-06 22:46:28,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:46:28,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-06 22:46:28,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:46:28,627 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 25 transitions. [2023-11-06 22:46:28,634 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:46:28,636 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2023-11-06 22:46:28,637 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-06 22:46:28,643 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-06 22:46:28,643 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-06 22:46:28,643 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:46:28,644 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:46:28,644 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:46:28,644 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:46:28,644 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 22:46:28,644 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:46:28,644 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:46:28,645 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-06 22:46:28,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 10:46:28 BoogieIcfgContainer [2023-11-06 22:46:28,653 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 22:46:28,655 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:46:28,655 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:46:28,655 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:46:28,656 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:46:22" (3/4) ... [2023-11-06 22:46:28,658 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:46:28,659 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:46:28,666 INFO L158 Benchmark]: Toolchain (without parser) took 6371.71ms. Allocated memory is still 151.0MB. Free memory was 118.3MB in the beginning and 87.4MB in the end (delta: 30.9MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2023-11-06 22:46:28,668 INFO L158 Benchmark]: CDTParser took 10.25ms. Allocated memory was 98.6MB in the beginning and 151.0MB in the end (delta: 52.4MB). Free memory was 62.9MB in the beginning and 125.9MB in the end (delta: -63.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:46:28,669 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.84ms. Allocated memory is still 151.0MB. Free memory was 117.8MB in the beginning and 108.4MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:46:28,669 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.33ms. Allocated memory is still 151.0MB. Free memory was 108.4MB in the beginning and 106.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:46:28,670 INFO L158 Benchmark]: Boogie Preprocessor took 19.47ms. Allocated memory is still 151.0MB. Free memory was 106.8MB in the beginning and 106.3MB in the end (delta: 522.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:46:28,673 INFO L158 Benchmark]: RCFGBuilder took 260.02ms. Allocated memory is still 151.0MB. Free memory was 105.8MB in the beginning and 97.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:46:28,675 INFO L158 Benchmark]: BuchiAutomizer took 5813.45ms. Allocated memory is still 151.0MB. Free memory was 96.9MB in the beginning and 87.4MB in the end (delta: 9.4MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2023-11-06 22:46:28,675 INFO L158 Benchmark]: Witness Printer took 4.42ms. Allocated memory is still 151.0MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:46:28,680 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 10.25ms. Allocated memory was 98.6MB in the beginning and 151.0MB in the end (delta: 52.4MB). Free memory was 62.9MB in the beginning and 125.9MB in the end (delta: -63.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.84ms. Allocated memory is still 151.0MB. Free memory was 117.8MB in the beginning and 108.4MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.33ms. Allocated memory is still 151.0MB. Free memory was 108.4MB in the beginning and 106.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.47ms. Allocated memory is still 151.0MB. Free memory was 106.8MB in the beginning and 106.3MB in the end (delta: 522.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 260.02ms. Allocated memory is still 151.0MB. Free memory was 105.8MB in the beginning and 97.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 5813.45ms. Allocated memory is still 151.0MB. Free memory was 96.9MB in the beginning and 87.4MB in the end (delta: 9.4MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Witness Printer took 4.42ms. Allocated memory is still 151.0MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IfThenElseExpression (if -1 * ~d2~0 + -1 * ~d1~0 > 0 then 2 else (if 2 * ~x~0 + -1 * ~d1~0 + 1 > 0 then 1 else 0)) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IfThenElseExpression (if -1 * ~d2~0 + -1 * ~d1~0 > 0 then -1 * ~d2~0 + -1 * ~d1~0 else (if 2 * ~x~0 + -1 * ~d1~0 + 1 > 0 then 2 * ~x~0 + -1 * ~d1~0 + 1 else ~x~0 + 1)) could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 3-nested ranking function NULL, NULL and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 12 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax152 hnf100 lsp65 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq195 hnf91 smp100 dnf100 smp100 tf104 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 50ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 4 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 4.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-06 22:46:28,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-06 22:46:28,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d07ce96c-db2f-4381-a4f0-c88768b308e2/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE