./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test25-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/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_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test25-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/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 32bit --witnessprinter.graph.data.programhash de251549242251e9f54823879039d01198e32edde0d5daa52ae9e52ec83fdcc8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:48:02,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:48:02,326 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-06 22:48:02,342 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:48:02,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:48:02,395 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:48:02,397 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:48:02,398 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:48:02,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:48:02,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:48:02,405 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:48:02,406 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:48:02,406 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:48:02,408 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:48:02,408 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:48:02,409 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:48:02,409 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:48:02,410 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:48:02,411 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:48:02,411 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:48:02,412 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:48:02,412 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:48:02,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:48:02,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:48:02,414 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:48:02,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:48:02,415 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:48:02,415 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:48:02,415 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:48:02,416 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:48:02,417 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:48:02,418 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:48:02,418 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:48:02,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:48:02,419 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:48:02,419 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:48:02,419 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_24be4819-5183-4562-9790-29cde44091de/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de251549242251e9f54823879039d01198e32edde0d5daa52ae9e52ec83fdcc8 [2023-11-06 22:48:02,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:48:02,848 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:48:02,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:48:02,853 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:48:02,854 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:48:02,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-regression/test25-1.c [2023-11-06 22:48:06,103 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:48:06,378 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:48:06,379 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/sv-benchmarks/c/ldv-regression/test25-1.c [2023-11-06 22:48:06,389 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/data/13e6eb45e/f32c0f57bd304670b66d3518295eb9ee/FLAGb1484a4c2 [2023-11-06 22:48:06,458 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/data/13e6eb45e/f32c0f57bd304670b66d3518295eb9ee [2023-11-06 22:48:06,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:48:06,463 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:48:06,464 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:48:06,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:48:06,471 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:48:06,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:48:06" (1/1) ... [2023-11-06 22:48:06,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2416dab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:06, skipping insertion in model container [2023-11-06 22:48:06,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:48:06" (1/1) ... [2023-11-06 22:48:06,500 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:48:06,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:48:06,768 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:48:06,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:48:06,841 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:48:06,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:06 WrapperNode [2023-11-06 22:48:06,842 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:48:06,843 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:48:06,843 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:48:06,844 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:48:06,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:06" (1/1) ... [2023-11-06 22:48:06,877 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:06" (1/1) ... [2023-11-06 22:48:06,915 INFO L138 Inliner]: procedures = 16, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 89 [2023-11-06 22:48:06,916 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:48:06,917 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:48:06,918 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:48:06,918 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:48:06,931 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:06" (1/1) ... [2023-11-06 22:48:06,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:06" (1/1) ... [2023-11-06 22:48:06,941 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:06" (1/1) ... [2023-11-06 22:48:06,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:06" (1/1) ... [2023-11-06 22:48:06,961 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:06" (1/1) ... [2023-11-06 22:48:06,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:06" (1/1) ... [2023-11-06 22:48:06,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:06" (1/1) ... [2023-11-06 22:48:06,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:06" (1/1) ... [2023-11-06 22:48:06,978 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:48:06,979 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:48:06,979 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:48:06,979 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:48:06,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:06" (1/1) ... [2023-11-06 22:48:06,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:48:07,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:48:07,041 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:48:07,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:48:07,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:48:07,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:48:07,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:48:07,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:48:07,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:48:07,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:48:07,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:48:07,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:48:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:48:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:48:07,217 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:48:07,219 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:48:07,543 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:48:07,549 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:48:07,555 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:48:07,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:48:07 BoogieIcfgContainer [2023-11-06 22:48:07,558 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:48:07,559 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 22:48:07,560 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 22:48:07,566 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 22:48:07,567 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:48:07,569 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 10:48:06" (1/3) ... [2023-11-06 22:48:07,571 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a675940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:48:07, skipping insertion in model container [2023-11-06 22:48:07,571 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:48:07,571 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:48:06" (2/3) ... [2023-11-06 22:48:07,574 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a675940 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:48:07, skipping insertion in model container [2023-11-06 22:48:07,574 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:48:07,574 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:48:07" (3/3) ... [2023-11-06 22:48:07,576 INFO L332 chiAutomizerObserver]: Analyzing ICFG test25-1.c [2023-11-06 22:48:07,660 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 22:48:07,660 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 22:48:07,660 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 22:48:07,661 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 22:48:07,661 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 22:48:07,661 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 22:48:07,662 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 22:48:07,663 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 22:48:07,669 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 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) [2023-11-06 22:48:07,690 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-11-06 22:48:07,691 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:48:07,692 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:48:07,697 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:48:07,698 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 22:48:07,698 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 22:48:07,698 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 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) [2023-11-06 22:48:07,701 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-11-06 22:48:07,702 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:48:07,702 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:48:07,702 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:48:07,702 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 22:48:07,713 INFO L748 eck$LassoCheckResult]: Stem: 13#$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); 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~post7#1, main_~j~0#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem13#1, main_#t~pre15#1, main_#t~mem14#1, main_#t~ret16#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, main_~#array~0#1.base, main_~#array~0#1.offset, main_~i~0#1, main_~pa~0#1.base, main_~pa~0#1.offset;call main_~#cont~0#1.base, main_~#cont~0#1.offset := #Ultimate.allocOnStack(4);call main_~#array~0#1.base, main_~#array~0#1.offset := #Ultimate.allocOnStack(80);havoc main_~i~0#1;havoc main_~pa~0#1.base, main_~pa~0#1.offset;havoc main_#t~nondet6#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~j~0#1 := 0; 17#L26-3true [2023-11-06 22:48:07,713 INFO L750 eck$LassoCheckResult]: Loop: 17#L26-3true assume !!(main_~j~0#1 < 10);havoc main_#t~nondet8#1;call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 11#L26-2true main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 17#L26-3true [2023-11-06 22:48:07,719 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:48:07,720 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-06 22:48:07,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:48:07,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730322038] [2023-11-06 22:48:07,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:48:07,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:48:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:48:07,889 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:48:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:48:07,947 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:48:07,952 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:48:07,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2023-11-06 22:48:07,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:48:07,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310381945] [2023-11-06 22:48:07,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:48:07,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:48:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:48:08,006 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:48:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:48:08,034 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:48:08,035 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:48:08,035 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2023-11-06 22:48:08,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:48:08,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470073960] [2023-11-06 22:48:08,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:48:08,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:48:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:48:08,112 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:48:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:48:08,161 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:48:09,148 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 22:48:09,149 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 22:48:09,149 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 22:48:09,150 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 22:48:09,150 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 22:48:09,151 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:48:09,151 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 22:48:09,151 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 22:48:09,151 INFO L133 ssoRankerPreferences]: Filename of dumped script: test25-1.c_Iteration1_Lasso [2023-11-06 22:48:09,152 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 22:48:09,152 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 22:48:09,180 INFO 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 22:48:09,193 INFO 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 22:48:09,196 INFO 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 22:48:09,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:48:09,206 INFO 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 22:48:09,209 INFO 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 22:48:09,214 INFO 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 22:48:09,218 INFO 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 22:48:09,223 INFO 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 22:48:09,227 INFO 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 22:48:09,231 INFO 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 22:48:09,235 INFO 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 22:48:09,778 INFO 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 22:48:09,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:48:09,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:48:09,790 INFO 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 22:48:09,794 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:48:09,797 INFO 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 22:48:09,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 22:48:10,240 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 22:48:10,245 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 22:48:10,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:48:10,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:48:10,256 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:48:10,268 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 22:48:10,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-06 22:48:10,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:48:10,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:48:10,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:48:10,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:48:10,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:48:10,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:48:10,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:48:10,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:48:10,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:48:10,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:48:10,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:48:10,316 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:48:10,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-06 22:48:10,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 22:48:10,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:48:10,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:48:10,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:48:10,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:48:10,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:48:10,360 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:48:10,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:48:10,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:48:10,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:48:10,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:48:10,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:48:10,399 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:48:10,413 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 22:48:10,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-06 22:48:10,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:48:10,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:48:10,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:48:10,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:48:10,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:48:10,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:48:10,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:48:10,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:48:10,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:48:10,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:48:10,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:48:10,461 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:48:10,471 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 22:48:10,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-06 22:48:10,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:48:10,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:48:10,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:48:10,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:48:10,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:48:10,490 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:48:10,490 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:48:10,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:48:10,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:48:10,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:48:10,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:48:10,519 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:48:10,525 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 22:48:10,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-06 22:48:10,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:48:10,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:48:10,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:48:10,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:48:10,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:48:10,541 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:48:10,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:48:10,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:48:10,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:48:10,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:48:10,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:48:10,562 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:48:10,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-06 22:48:10,565 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 22:48:10,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:48:10,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:48:10,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:48:10,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:48:10,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:48:10,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:48:10,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:48:10,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:48:10,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-06 22:48:10,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:48:10,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:48:10,590 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:48:10,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-06 22:48:10,594 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 22:48:10,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:48:10,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:48:10,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:48:10,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:48:10,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:48:10,607 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:48:10,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:48:10,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:48:10,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:48:10,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:48:10,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:48:10,618 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:48:10,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-06 22:48:10,621 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 22:48:10,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:48:10,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:48:10,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:48:10,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:48:10,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:48:10,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:48:10,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:48:10,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:48:10,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:48:10,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:48:10,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:48:10,647 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:48:10,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-06 22:48:10,652 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 22:48:10,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:48:10,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:48:10,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:48:10,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:48:10,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:48:10,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:48:10,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:48:10,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:48:10,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:48:10,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:48:10,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:48:10,675 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:48:10,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-06 22:48:10,681 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 22:48:10,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:48:10,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:48:10,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:48:10,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:48:10,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:48:10,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:48:10,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:48:10,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:48:10,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:48:10,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:48:10,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:48:10,716 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:48:10,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-06 22:48:10,721 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 22:48:10,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:48:10,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 22:48:10,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:48:10,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:48:10,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:48:10,739 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 22:48:10,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 22:48:10,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:48:10,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:48:10,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:48:10,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:48:10,767 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:48:10,780 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 22:48:10,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:48:10,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:48:10,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-06 22:48:10,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:48:10,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:48:10,800 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:48:10,800 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:48:10,812 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:48:10,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:48:10,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:48:10,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:48:10,823 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:48:10,833 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 [2023-11-06 22:48:10,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-06 22:48:10,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:48:10,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:48:10,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:48:10,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:48:10,852 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:48:10,852 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:48:10,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 22:48:10,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:48:10,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:48:10,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:48:10,876 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:48:10,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-06 22:48:10,884 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 22:48:10,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 22:48:10,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 22:48:10,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 22:48:10,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 22:48:10,904 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 22:48:10,904 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 22:48:10,918 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 22:48:10,952 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-11-06 22:48:10,952 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-06 22:48:10,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:48:10,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:48:10,979 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:48:10,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-06 22:48:10,984 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 22:48:11,006 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 22:48:11,006 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 22:48:11,007 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, v_rep(select #length ULTIMATE.start_main_~#array~0#1.base)_1) = -16*ULTIMATE.start_main_~j~0#1 + 19*v_rep(select #length ULTIMATE.start_main_~#array~0#1.base)_1 Supporting invariants [] [2023-11-06 22:48:11,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-06 22:48:11,082 INFO L156 tatePredicateManager]: 13 out of 13 supporting invariants were superfluous and have been removed [2023-11-06 22:48:11,092 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#array~0!base] could not be translated [2023-11-06 22:48:11,110 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:48:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:48:11,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:48:11,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:48:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:48:11,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:48:11,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:48:11,207 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 22:48:11,250 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 [2023-11-06 22:48:11,252 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 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 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 22:48:11,314 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 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 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 35 states and 49 transitions. Complement of second has 8 states. [2023-11-06 22:48:11,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-06 22:48:11,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 22:48:11,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2023-11-06 22:48:11,324 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 2 letters. Loop has 2 letters. [2023-11-06 22:48:11,325 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:48:11,325 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-06 22:48:11,326 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:48:11,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-06 22:48:11,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 22:48:11,327 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 49 transitions. [2023-11-06 22:48:11,335 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-06 22:48:11,339 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 10 states and 12 transitions. [2023-11-06 22:48:11,340 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-11-06 22:48:11,341 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-11-06 22:48:11,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 12 transitions. [2023-11-06 22:48:11,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:48:11,342 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 12 transitions. [2023-11-06 22:48:11,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 12 transitions. [2023-11-06 22:48:11,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-11-06 22:48:11,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 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) [2023-11-06 22:48:11,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2023-11-06 22:48:11,369 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 12 transitions. [2023-11-06 22:48:11,369 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2023-11-06 22:48:11,369 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 22:48:11,369 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2023-11-06 22:48:11,369 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-06 22:48:11,370 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:48:11,370 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:48:11,370 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:48:11,370 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 22:48:11,371 INFO L748 eck$LassoCheckResult]: Stem: 150#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 151#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~post7#1, main_~j~0#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem13#1, main_#t~pre15#1, main_#t~mem14#1, main_#t~ret16#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, main_~#array~0#1.base, main_~#array~0#1.offset, main_~i~0#1, main_~pa~0#1.base, main_~pa~0#1.offset;call main_~#cont~0#1.base, main_~#cont~0#1.offset := #Ultimate.allocOnStack(4);call main_~#array~0#1.base, main_~#array~0#1.offset := #Ultimate.allocOnStack(80);havoc main_~i~0#1;havoc main_~pa~0#1.base, main_~pa~0#1.offset;havoc main_#t~nondet6#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~j~0#1 := 0; 153#L26-3 assume !(main_~j~0#1 < 10); 148#L26-4 havoc main_~j~0#1; 149#L31 assume main_~i~0#1 >= 0 && main_~i~0#1 < 9;call write~$Pointer$(main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~i~0#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);main_~pa~0#1.base, main_~pa~0#1.offset := main_#t~mem10#1.base, 4 + main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem12#1 := read~int(main_#t~mem11#1.base, 4 + main_#t~mem11#1.offset, 4); 144#L34 assume main_#t~mem12#1 > 0;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem12#1;call main_#t~mem13#1 := read~int(main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~i~0#1), 4);main_~i~0#1 := main_#t~mem13#1 - 10;havoc main_#t~mem13#1; 145#L36-3 [2023-11-06 22:48:11,371 INFO L750 eck$LassoCheckResult]: Loop: 145#L36-3 call main_#t~mem14#1 := read~int(main_~pa~0#1.base, main_~pa~0#1.offset, 4); 152#L36-1 assume !!(main_~i~0#1 < main_#t~mem14#1);havoc main_#t~mem14#1;main_#t~pre15#1 := 1 + main_~i~0#1;main_~i~0#1 := 1 + main_~i~0#1;havoc main_#t~pre15#1; 145#L36-3 [2023-11-06 22:48:11,371 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:48:11,371 INFO L85 PathProgramCache]: Analyzing trace with hash 889605038, now seen corresponding path program 1 times [2023-11-06 22:48:11,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:48:11,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633603514] [2023-11-06 22:48:11,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:48:11,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:48:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:48:11,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:48:11,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:48:11,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633603514] [2023-11-06 22:48:11,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633603514] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:48:11,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:48:11,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:48:11,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895147072] [2023-11-06 22:48:11,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:48:11,458 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:48:11,459 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:48:11,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1830, now seen corresponding path program 1 times [2023-11-06 22:48:11,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:48:11,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756679565] [2023-11-06 22:48:11,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:48:11,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:48:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:48:11,464 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:48:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:48:11,469 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:48:11,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:48:11,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:48:11,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:48:11,508 INFO L87 Difference]: Start difference. First operand 10 states and 12 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) [2023-11-06 22:48:11,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:48:11,524 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2023-11-06 22:48:11,524 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. [2023-11-06 22:48:11,524 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-06 22:48:11,525 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 12 transitions. [2023-11-06 22:48:11,525 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-11-06 22:48:11,525 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-11-06 22:48:11,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 12 transitions. [2023-11-06 22:48:11,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:48:11,526 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 12 transitions. [2023-11-06 22:48:11,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 12 transitions. [2023-11-06 22:48:11,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2023-11-06 22:48:11,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.1) internal successors, (11), 9 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) [2023-11-06 22:48:11,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2023-11-06 22:48:11,527 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 11 transitions. [2023-11-06 22:48:11,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:48:11,528 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 11 transitions. [2023-11-06 22:48:11,529 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-06 22:48:11,529 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 11 transitions. [2023-11-06 22:48:11,529 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-06 22:48:11,529 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:48:11,529 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:48:11,530 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:48:11,530 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 22:48:11,530 INFO L748 eck$LassoCheckResult]: Stem: 177#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 178#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~post7#1, main_~j~0#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem13#1, main_#t~pre15#1, main_#t~mem14#1, main_#t~ret16#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, main_~#array~0#1.base, main_~#array~0#1.offset, main_~i~0#1, main_~pa~0#1.base, main_~pa~0#1.offset;call main_~#cont~0#1.base, main_~#cont~0#1.offset := #Ultimate.allocOnStack(4);call main_~#array~0#1.base, main_~#array~0#1.offset := #Ultimate.allocOnStack(80);havoc main_~i~0#1;havoc main_~pa~0#1.base, main_~pa~0#1.offset;havoc main_#t~nondet6#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~j~0#1 := 0; 180#L26-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet8#1;call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 173#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 174#L26-3 assume !(main_~j~0#1 < 10); 175#L26-4 havoc main_~j~0#1; 176#L31 assume main_~i~0#1 >= 0 && main_~i~0#1 < 9;call write~$Pointer$(main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~i~0#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);main_~pa~0#1.base, main_~pa~0#1.offset := main_#t~mem10#1.base, 4 + main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem12#1 := read~int(main_#t~mem11#1.base, 4 + main_#t~mem11#1.offset, 4); 171#L34 assume main_#t~mem12#1 > 0;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem12#1;call main_#t~mem13#1 := read~int(main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~i~0#1), 4);main_~i~0#1 := main_#t~mem13#1 - 10;havoc main_#t~mem13#1; 172#L36-3 [2023-11-06 22:48:11,530 INFO L750 eck$LassoCheckResult]: Loop: 172#L36-3 call main_#t~mem14#1 := read~int(main_~pa~0#1.base, main_~pa~0#1.offset, 4); 179#L36-1 assume !!(main_~i~0#1 < main_#t~mem14#1);havoc main_#t~mem14#1;main_#t~pre15#1 := 1 + main_~i~0#1;main_~i~0#1 := 1 + main_~i~0#1;havoc main_#t~pre15#1; 172#L36-3 [2023-11-06 22:48:11,531 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:48:11,531 INFO L85 PathProgramCache]: Analyzing trace with hash 265180976, now seen corresponding path program 1 times [2023-11-06 22:48:11,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:48:11,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78883104] [2023-11-06 22:48:11,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:48:11,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:48:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:48:11,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:48:11,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:48:11,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78883104] [2023-11-06 22:48:11,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78883104] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:48:11,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654112450] [2023-11-06 22:48:11,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:48:11,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:48:11,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:48:11,628 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:48:11,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-06 22:48:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:48:11,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:48:11,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:48:11,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:48:11,725 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:48:11,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:48:11,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [654112450] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:48:11,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:48:11,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-06 22:48:11,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164277404] [2023-11-06 22:48:11,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:48:11,748 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:48:11,749 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:48:11,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1830, now seen corresponding path program 2 times [2023-11-06 22:48:11,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:48:11,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927203038] [2023-11-06 22:48:11,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:48:11,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:48:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:48:11,755 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:48:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:48:11,761 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:48:11,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:48:11,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:48:11,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:48:11,807 INFO L87 Difference]: Start difference. First operand 10 states and 11 transitions. cyclomatic complexity: 3 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 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) [2023-11-06 22:48:11,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:48:11,848 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2023-11-06 22:48:11,849 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 17 transitions. [2023-11-06 22:48:11,850 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-06 22:48:11,850 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 17 transitions. [2023-11-06 22:48:11,851 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-11-06 22:48:11,851 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-11-06 22:48:11,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 17 transitions. [2023-11-06 22:48:11,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:48:11,851 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 17 transitions. [2023-11-06 22:48:11,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 17 transitions. [2023-11-06 22:48:11,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2023-11-06 22:48:11,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.0625) internal successors, (17), 15 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) [2023-11-06 22:48:11,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2023-11-06 22:48:11,854 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 17 transitions. [2023-11-06 22:48:11,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:48:11,856 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 17 transitions. [2023-11-06 22:48:11,856 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-06 22:48:11,856 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 17 transitions. [2023-11-06 22:48:11,857 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-06 22:48:11,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:48:11,857 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:48:11,858 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1, 1, 1] [2023-11-06 22:48:11,858 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 22:48:11,859 INFO L748 eck$LassoCheckResult]: Stem: 255#$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); 256#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~post7#1, main_~j~0#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem13#1, main_#t~pre15#1, main_#t~mem14#1, main_#t~ret16#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, main_~#array~0#1.base, main_~#array~0#1.offset, main_~i~0#1, main_~pa~0#1.base, main_~pa~0#1.offset;call main_~#cont~0#1.base, main_~#cont~0#1.offset := #Ultimate.allocOnStack(4);call main_~#array~0#1.base, main_~#array~0#1.offset := #Ultimate.allocOnStack(80);havoc main_~i~0#1;havoc main_~pa~0#1.base, main_~pa~0#1.offset;havoc main_#t~nondet6#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~j~0#1 := 0; 258#L26-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet8#1;call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 259#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 260#L26-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet8#1;call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 251#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 252#L26-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet8#1;call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 264#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 263#L26-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet8#1;call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 262#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 261#L26-3 assume !(main_~j~0#1 < 10); 253#L26-4 havoc main_~j~0#1; 254#L31 assume main_~i~0#1 >= 0 && main_~i~0#1 < 9;call write~$Pointer$(main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~i~0#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);main_~pa~0#1.base, main_~pa~0#1.offset := main_#t~mem10#1.base, 4 + main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem12#1 := read~int(main_#t~mem11#1.base, 4 + main_#t~mem11#1.offset, 4); 249#L34 assume main_#t~mem12#1 > 0;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem12#1;call main_#t~mem13#1 := read~int(main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~i~0#1), 4);main_~i~0#1 := main_#t~mem13#1 - 10;havoc main_#t~mem13#1; 250#L36-3 [2023-11-06 22:48:11,859 INFO L750 eck$LassoCheckResult]: Loop: 250#L36-3 call main_#t~mem14#1 := read~int(main_~pa~0#1.base, main_~pa~0#1.offset, 4); 257#L36-1 assume !!(main_~i~0#1 < main_#t~mem14#1);havoc main_#t~mem14#1;main_#t~pre15#1 := 1 + main_~i~0#1;main_~i~0#1 := 1 + main_~i~0#1;havoc main_#t~pre15#1; 250#L36-3 [2023-11-06 22:48:11,859 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:48:11,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1745754442, now seen corresponding path program 2 times [2023-11-06 22:48:11,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:48:11,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100958701] [2023-11-06 22:48:11,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:48:11,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:48:11,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-06 22:48:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:48:12,260 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:48:12,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:48:12,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100958701] [2023-11-06 22:48:12,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100958701] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:48:12,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839198200] [2023-11-06 22:48:12,263 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:48:12,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:48:12,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:48:12,265 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:48:12,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24be4819-5183-4562-9790-29cde44091de/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-06 22:48:12,394 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 22:48:12,394 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:48:12,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:48:12,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:48:12,433 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:48:12,433 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:48:12,510 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:48:12,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839198200] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:48:12,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 22:48:12,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2023-11-06 22:48:12,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651634961] [2023-11-06 22:48:12,512 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 22:48:12,512 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 22:48:12,513 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:48:12,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1830, now seen corresponding path program 3 times [2023-11-06 22:48:12,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:48:12,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866606976] [2023-11-06 22:48:12,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:48:12,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:48:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:48:12,518 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:48:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:48:12,523 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:48:12,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:48:12,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:48:12,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:48:12,566 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. cyclomatic complexity: 3 Second operand has 13 states, 13 states have (on average 2.076923076923077) internal successors, (27), 13 states have internal predecessors, (27), 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 22:48:12,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:48:12,664 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2023-11-06 22:48:12,664 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 29 transitions. [2023-11-06 22:48:12,666 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-06 22:48:12,666 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 28 states and 29 transitions. [2023-11-06 22:48:12,667 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2023-11-06 22:48:12,667 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2023-11-06 22:48:12,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 29 transitions. [2023-11-06 22:48:12,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:48:12,667 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 29 transitions. [2023-11-06 22:48:12,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 29 transitions. [2023-11-06 22:48:12,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2023-11-06 22:48:12,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.0357142857142858) internal successors, (29), 27 states have internal predecessors, (29), 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 22:48:12,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2023-11-06 22:48:12,671 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 29 transitions. [2023-11-06 22:48:12,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:48:12,673 INFO L428 stractBuchiCegarLoop]: Abstraction has 28 states and 29 transitions. [2023-11-06 22:48:12,673 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-06 22:48:12,673 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 29 transitions. [2023-11-06 22:48:12,674 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-06 22:48:12,674 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:48:12,675 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:48:12,676 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 10, 1, 1, 1, 1, 1, 1] [2023-11-06 22:48:12,676 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 22:48:12,676 INFO L748 eck$LassoCheckResult]: Stem: 393#$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); 394#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~post7#1, main_~j~0#1, main_#t~mem10#1.base, main_#t~mem10#1.offset, main_#t~mem11#1.base, main_#t~mem11#1.offset, main_#t~mem12#1, main_#t~mem13#1, main_#t~pre15#1, main_#t~mem14#1, main_#t~ret16#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, main_~#array~0#1.base, main_~#array~0#1.offset, main_~i~0#1, main_~pa~0#1.base, main_~pa~0#1.offset;call main_~#cont~0#1.base, main_~#cont~0#1.offset := #Ultimate.allocOnStack(4);call main_~#array~0#1.base, main_~#array~0#1.offset := #Ultimate.allocOnStack(80);havoc main_~i~0#1;havoc main_~pa~0#1.base, main_~pa~0#1.offset;havoc main_#t~nondet6#1;main_~i~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~j~0#1 := 0; 396#L26-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet8#1;call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 397#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 398#L26-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet8#1;call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 389#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 390#L26-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet8#1;call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 414#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 413#L26-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet8#1;call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 412#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 411#L26-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet8#1;call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 410#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 409#L26-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet8#1;call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 408#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 407#L26-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet8#1;call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 406#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 405#L26-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet8#1;call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 404#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 403#L26-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet8#1;call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 402#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 401#L26-3 assume !!(main_~j~0#1 < 10);havoc main_#t~nondet8#1;call write~int(main_#t~nondet8#1, main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~j~0#1, 4);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;call write~int(main_#t~nondet9#1, main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~j~0#1), 4);havoc main_#t~nondet9#1; 400#L26-2 main_#t~post7#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1; 399#L26-3 assume !(main_~j~0#1 < 10); 391#L26-4 havoc main_~j~0#1; 392#L31 assume main_~i~0#1 >= 0 && main_~i~0#1 < 9;call write~$Pointer$(main_~#array~0#1.base, main_~#array~0#1.offset + 8 * main_~i~0#1, main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem10#1.base, main_#t~mem10#1.offset := read~$Pointer$(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);main_~pa~0#1.base, main_~pa~0#1.offset := main_#t~mem10#1.base, 4 + main_#t~mem10#1.offset;havoc main_#t~mem10#1.base, main_#t~mem10#1.offset;call main_#t~mem11#1.base, main_#t~mem11#1.offset := read~$Pointer$(main_~#cont~0#1.base, main_~#cont~0#1.offset, 4);call main_#t~mem12#1 := read~int(main_#t~mem11#1.base, 4 + main_#t~mem11#1.offset, 4); 387#L34 assume main_#t~mem12#1 > 0;havoc main_#t~mem11#1.base, main_#t~mem11#1.offset;havoc main_#t~mem12#1;call main_#t~mem13#1 := read~int(main_~#array~0#1.base, 4 + (main_~#array~0#1.offset + 8 * main_~i~0#1), 4);main_~i~0#1 := main_#t~mem13#1 - 10;havoc main_#t~mem13#1; 388#L36-3 [2023-11-06 22:48:12,676 INFO L750 eck$LassoCheckResult]: Loop: 388#L36-3 call main_#t~mem14#1 := read~int(main_~pa~0#1.base, main_~pa~0#1.offset, 4); 395#L36-1 assume !!(main_~i~0#1 < main_#t~mem14#1);havoc main_#t~mem14#1;main_#t~pre15#1 := 1 + main_~i~0#1;main_~i~0#1 := 1 + main_~i~0#1;havoc main_#t~pre15#1; 388#L36-3 [2023-11-06 22:48:12,677 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:48:12,677 INFO L85 PathProgramCache]: Analyzing trace with hash -95702974, now seen corresponding path program 3 times [2023-11-06 22:48:12,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:48:12,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101892025] [2023-11-06 22:48:12,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:48:12,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:48:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:48:12,778 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:48:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:48:12,990 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:48:12,991 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:48:12,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1830, now seen corresponding path program 4 times [2023-11-06 22:48:12,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:48:12,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699533649] [2023-11-06 22:48:12,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:48:12,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:48:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:48:12,996 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:48:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:48:13,001 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:48:13,002 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:48:13,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1776243929, now seen corresponding path program 1 times [2023-11-06 22:48:13,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:48:13,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176667583] [2023-11-06 22:48:13,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:48:13,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:48:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:48:13,104 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:48:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:48:13,174 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace