./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label42.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label42.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6984728535a86bc75e43b65ba9922d2fd4380b8ba43e1e847faf7255b525a964 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:09:11,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:09:11,912 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-21 22:09:11,917 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:09:11,918 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:09:11,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:09:11,944 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:09:11,945 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:09:11,946 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:09:11,946 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:09:11,947 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:09:11,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:09:11,948 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:09:11,949 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 22:09:11,950 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 22:09:11,950 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 22:09:11,951 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 22:09:11,951 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 22:09:11,952 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 22:09:11,953 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:09:11,953 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 22:09:11,954 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:09:11,955 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:09:11,955 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:09:11,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:09:11,957 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 22:09:11,957 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 22:09:11,958 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 22:09:11,958 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:09:11,959 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:09:11,959 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:09:11,960 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 22:09:11,960 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:09:11,961 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:09:11,961 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:09:11,962 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:09:11,962 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:09:11,963 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 22:09:11,964 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_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6984728535a86bc75e43b65ba9922d2fd4380b8ba43e1e847faf7255b525a964 [2023-11-21 22:09:12,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:09:12,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:09:12,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:09:12,232 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:09:12,233 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:09:12,234 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/eca-rers2012/Problem04_label42.c [2023-11-21 22:09:15,444 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:09:16,035 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:09:16,035 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/sv-benchmarks/c/eca-rers2012/Problem04_label42.c [2023-11-21 22:09:16,070 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/data/56b5478f8/696abdbc2cd14283804d4c72b7a0785c/FLAG1e8b668b4 [2023-11-21 22:09:16,091 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/data/56b5478f8/696abdbc2cd14283804d4c72b7a0785c [2023-11-21 22:09:16,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:09:16,104 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:09:16,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:09:16,106 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:09:16,110 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:09:16,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:09:16" (1/1) ... [2023-11-21 22:09:16,112 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fb8cf77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:16, skipping insertion in model container [2023-11-21 22:09:16,112 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:09:16" (1/1) ... [2023-11-21 22:09:16,262 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:09:17,621 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:09:17,638 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:09:18,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:09:18,384 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:09:18,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:18 WrapperNode [2023-11-21 22:09:18,385 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:09:18,386 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:09:18,387 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:09:18,387 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:09:18,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:18" (1/1) ... [2023-11-21 22:09:18,460 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:18" (1/1) ... [2023-11-21 22:09:18,741 INFO L138 Inliner]: procedures = 17, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 5569 [2023-11-21 22:09:18,741 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:09:18,742 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:09:18,742 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:09:18,742 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:09:18,755 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:18" (1/1) ... [2023-11-21 22:09:18,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:18" (1/1) ... [2023-11-21 22:09:18,782 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:18" (1/1) ... [2023-11-21 22:09:18,850 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:09:18,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:18" (1/1) ... [2023-11-21 22:09:18,850 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:18" (1/1) ... [2023-11-21 22:09:18,942 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:18" (1/1) ... [2023-11-21 22:09:18,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:18" (1/1) ... [2023-11-21 22:09:18,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:18" (1/1) ... [2023-11-21 22:09:19,004 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:18" (1/1) ... [2023-11-21 22:09:19,028 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:09:19,029 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:09:19,029 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:09:19,029 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:09:19,030 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:18" (1/1) ... [2023-11-21 22:09:19,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:19,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:19,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:19,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 22:09:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:09:19,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:09:19,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:09:19,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:09:19,296 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:09:19,299 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:09:24,097 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:09:24,129 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:09:24,129 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:09:24,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:09:24 BoogieIcfgContainer [2023-11-21 22:09:24,131 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:09:24,132 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 22:09:24,133 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 22:09:24,137 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 22:09:24,138 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:09:24,138 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 10:09:16" (1/3) ... [2023-11-21 22:09:24,139 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1321c3c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:09:24, skipping insertion in model container [2023-11-21 22:09:24,139 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:09:24,140 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:09:18" (2/3) ... [2023-11-21 22:09:24,140 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1321c3c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:09:24, skipping insertion in model container [2023-11-21 22:09:24,140 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:09:24,141 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:09:24" (3/3) ... [2023-11-21 22:09:24,142 INFO L332 chiAutomizerObserver]: Analyzing ICFG Problem04_label42.c [2023-11-21 22:09:24,290 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 22:09:24,291 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 22:09:24,291 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 22:09:24,292 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 22:09:24,292 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 22:09:24,292 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 22:09:24,292 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 22:09:24,293 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 22:09:24,308 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 885 states, 884 states have (on average 1.920814479638009) internal successors, (1698), 884 states have internal predecessors, (1698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:24,402 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 880 [2023-11-21 22:09:24,402 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:09:24,402 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:09:24,420 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 22:09:24,420 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-21 22:09:24,421 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 22:09:24,424 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 885 states, 884 states have (on average 1.920814479638009) internal successors, (1698), 884 states have internal predecessors, (1698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:24,441 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 880 [2023-11-21 22:09:24,441 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:09:24,441 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:09:24,444 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 22:09:24,444 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-21 22:09:24,453 INFO L748 eck$LassoCheckResult]: Stem: 133#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(20, 2);call #Ultimate.allocInit(12, 3);~f~0 := 6;~e~0 := 5;~d~0 := 4;~b~0 := 2;~a~0 := 1;~c~0 := 3;~u~0 := 21;~v~0 := 22;~w~0 := 23;~x~0 := 24;~y~0 := 25;~z~0 := 26;~a3~0 := 1;~a4~0 := 17;~a25~0 := 1;~a1~0 := 1;~a26~0 := 18;~a28~0 := 15;~a7~0 := 1;~a14~0 := 19; 802#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_~input~0#1, main_~output~0#1;main_~output~0#1 := -1; 765#L4826-2true [2023-11-21 22:09:24,454 INFO L750 eck$LassoCheckResult]: Loop: 765#L4826-2true assume !false;havoc main_~input~0#1;havoc main_#t~nondet12#1;main_~input~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 198#L4831true assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_#t~ret9#1, calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 661#L50true assume (1 == ~a25~0 && 1 == ~a1~0 && 5 == calculate_output_~input#1 && (((((17 == ~a4~0 && 19 == ~a26~0) && 17 == ~a28~0) && !(1 == ~a7~0)) && 20 == ~a14~0) || ((1 == ~a7~0 && (17 == ~a26~0 && 18 == ~a4~0) && 15 == ~a28~0) && 18 == ~a14~0))) && 1 == ~a3~0;~a28~0 := 15;~a26~0 := 17;~a4~0 := 16;~a14~0 := 18;~a7~0 := 1;calculate_output_#res#1 := -1; 482#calculate_output_returnLabel#1true main_#t~ret13#1 := calculate_output_#res#1;havoc calculate_output_#t~ret9#1, calculate_output_~input#1;havoc calculate_output_#in~input#1;assume { :end_inline_calculate_output } true;main_~output~0#1 := main_#t~ret13#1;havoc main_#t~ret13#1;havoc main_~input~0#1; 765#L4826-2true [2023-11-21 22:09:24,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:24,465 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-21 22:09:24,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:24,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989333552] [2023-11-21 22:09:24,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:24,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:09:24,600 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:09:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:09:24,668 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:09:24,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:24,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1271452, now seen corresponding path program 1 times [2023-11-21 22:09:24,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:24,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093498556] [2023-11-21 22:09:24,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:24,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:09:24,722 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:09:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:09:24,763 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:09:24,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:24,765 INFO L85 PathProgramCache]: Analyzing trace with hash 889698654, now seen corresponding path program 1 times [2023-11-21 22:09:24,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:24,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713617373] [2023-11-21 22:09:24,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:24,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:24,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:09:24,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:09:24,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713617373] [2023-11-21 22:09:24,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713617373] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:09:24,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:09:24,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:09:24,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761019043] [2023-11-21 22:09:24,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:09:25,360 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:09:25,361 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:09:25,361 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:09:25,361 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:09:25,362 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 22:09:25,362 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:25,362 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:09:25,362 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:09:25,362 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem04_label42.c_Iteration1_Loop [2023-11-21 22:09:25,363 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:09:25,363 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:09:25,388 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:25,539 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:25,542 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:25,545 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:25,548 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:25,551 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:25,555 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:25,559 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:25,562 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:25,565 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:25,568 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:25,572 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:25,714 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2023-11-21 22:09:26,195 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:09:26,196 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 22:09:26,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:26,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:26,201 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:26,211 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:09:26,211 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:09:26,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-21 22:09:26,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:26,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:26,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:26,297 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:26,304 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 22:09:26,304 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:09:26,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-21 22:09:26,425 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 22:09:26,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:26,433 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:09:26,434 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:09:26,434 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:09:26,434 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:09:26,434 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:09:26,434 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:26,434 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:09:26,434 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:09:26,434 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem04_label42.c_Iteration1_Loop [2023-11-21 22:09:26,434 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:09:26,435 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:09:26,439 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:26,583 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:26,587 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:26,589 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:26,593 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:26,596 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:26,600 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:26,604 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:26,607 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:26,610 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:26,613 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:26,617 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:26,741 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2023-11-21 22:09:27,214 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:09:27,219 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:09:27,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:27,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:27,225 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:27,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:09:27,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-21 22:09:27,251 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:09:27,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:09:27,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:09:27,252 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2023-11-21 22:09:27,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:09:27,279 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:09:27,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:09:27,296 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:09:27,324 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2023-11-21 22:09:27,324 INFO L444 ModelExtractionUtils]: 5 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-21 22:09:27,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:27,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:27,374 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:27,386 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:09:27,386 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-21 22:09:27,387 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:09:27,387 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~a4~0) = 1*~a4~0 Supporting invariants [] [2023-11-21 22:09:27,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-21 22:09:27,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:27,417 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-21 22:09:27,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:27,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:09:27,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:09:27,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:27,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 22:09:27,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:09:27,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:09:27,698 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-21 22:09:27,704 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 885 states, 884 states have (on average 1.920814479638009) internal successors, (1698), 884 states have internal predecessors, (1698), 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 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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) [2023-11-21 22:09:27,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:31,967 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 885 states, 884 states have (on average 1.920814479638009) internal successors, (1698), 884 states have internal predecessors, (1698), 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 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 3542 states and 6269 transitions. Complement of second has 6 states. [2023-11-21 22:09:31,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-21 22:09:31,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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) [2023-11-21 22:09:31,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3357 transitions. [2023-11-21 22:09:31,982 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 3357 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-21 22:09:31,984 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:09:31,984 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 3357 transitions. Stem has 6 letters. Loop has 4 letters. [2023-11-21 22:09:31,984 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:09:31,985 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 3357 transitions. Stem has 2 letters. Loop has 8 letters. [2023-11-21 22:09:31,985 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:09:31,986 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3542 states and 6269 transitions. [2023-11-21 22:09:32,025 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 1698 [2023-11-21 22:09:32,057 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3542 states to 2528 states and 4374 transitions. [2023-11-21 22:09:32,058 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1701 [2023-11-21 22:09:32,062 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1706 [2023-11-21 22:09:32,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2528 states and 4374 transitions. [2023-11-21 22:09:32,063 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:09:32,063 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2528 states and 4374 transitions. [2023-11-21 22:09:32,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2528 states and 4374 transitions. [2023-11-21 22:09:32,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2528 to 2523. [2023-11-21 22:09:32,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2523 states, 2523 states have (on average 1.7316686484344035) internal successors, (4369), 2522 states have internal predecessors, (4369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:32,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2523 states and 4369 transitions. [2023-11-21 22:09:32,204 INFO L240 hiAutomatonCegarLoop]: Abstraction has 2523 states and 4369 transitions. [2023-11-21 22:09:32,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:09:32,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:09:32,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:09:32,209 INFO L87 Difference]: Start difference. First operand 2523 states and 4369 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:37,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:09:37,207 INFO L93 Difference]: Finished difference Result 4980 states and 7611 transitions. [2023-11-21 22:09:37,207 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4980 states and 7611 transitions. [2023-11-21 22:09:37,270 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3272 [2023-11-21 22:09:37,319 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4980 states to 4919 states and 7531 transitions. [2023-11-21 22:09:37,319 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3275 [2023-11-21 22:09:37,325 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3275 [2023-11-21 22:09:37,325 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4919 states and 7531 transitions. [2023-11-21 22:09:37,328 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:09:37,328 INFO L218 hiAutomatonCegarLoop]: Abstraction has 4919 states and 7531 transitions. [2023-11-21 22:09:37,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4919 states and 7531 transitions. [2023-11-21 22:09:37,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4919 to 4919. [2023-11-21 22:09:37,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4919 states, 4919 states have (on average 1.5310022362268754) internal successors, (7531), 4918 states have internal predecessors, (7531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:37,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4919 states to 4919 states and 7531 transitions. [2023-11-21 22:09:37,480 INFO L240 hiAutomatonCegarLoop]: Abstraction has 4919 states and 7531 transitions. [2023-11-21 22:09:37,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:09:37,481 INFO L428 stractBuchiCegarLoop]: Abstraction has 4919 states and 7531 transitions. [2023-11-21 22:09:37,482 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 22:09:37,482 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4919 states and 7531 transitions. [2023-11-21 22:09:37,518 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3272 [2023-11-21 22:09:37,519 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:09:37,519 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:09:37,521 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-21 22:09:37,521 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:09:37,523 INFO L748 eck$LassoCheckResult]: Stem: 12468#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(20, 2);call #Ultimate.allocInit(12, 3);~f~0 := 6;~e~0 := 5;~d~0 := 4;~b~0 := 2;~a~0 := 1;~c~0 := 3;~u~0 := 21;~v~0 := 22;~w~0 := 23;~x~0 := 24;~y~0 := 25;~z~0 := 26;~a3~0 := 1;~a4~0 := 17;~a25~0 := 1;~a1~0 := 1;~a26~0 := 18;~a28~0 := 15;~a7~0 := 1;~a14~0 := 19; 12469#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_~input~0#1, main_~output~0#1;main_~output~0#1 := -1; 14195#L4826-2 assume !false;havoc main_~input~0#1;havoc main_#t~nondet12#1;main_~input~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 12692#L4831 [2023-11-21 22:09:37,532 INFO L750 eck$LassoCheckResult]: Loop: 12692#L4831 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_#t~ret9#1, calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 12693#L50 assume !((1 == ~a25~0 && 1 == ~a1~0 && 5 == calculate_output_~input#1 && (((((17 == ~a4~0 && 19 == ~a26~0) && 17 == ~a28~0) && !(1 == ~a7~0)) && 20 == ~a14~0) || ((1 == ~a7~0 && (17 == ~a26~0 && 18 == ~a4~0) && 15 == ~a28~0) && 18 == ~a14~0))) && 1 == ~a3~0); 13709#L57 assume !((1 == ~a25~0 && (16 == ~a28~0 && 17 == ~a4~0 && 1 == ~a1~0 && (((1 == ~a7~0 && 18 == ~a26~0) || (19 == ~a26~0 && 1 == ~a7~0)) || (!(1 == ~a7~0) && 17 == ~a26~0)) && 4 == calculate_output_~input#1) && !(1 == ~a3~0)) && 20 == ~a14~0); 12779#L62 assume !(17 == ~a28~0 && 1 == ~a1~0 && 1 == ~a25~0 && 1 == ~a7~0 && 17 == ~a4~0 && (18 == ~a14~0 && 4 == calculate_output_~input#1 && (17 == ~a26~0 || 18 == ~a26~0)) && !(1 == ~a3~0)); 12758#L68 assume !(!(1 == ~a7~0) && !(1 == ~a3~0) && (16 == ~a28~0 && 1 == ~a25~0 && 17 == ~a4~0 && ((17 == ~a26~0 || 18 == ~a26~0) && 6 == calculate_output_~input#1) && 1 == ~a1~0) && 19 == ~a14~0); 12759#L76 assume !(16 == ~a28~0 && ((18 == ~a14~0 && (!(1 == ~a7~0) && 18 == ~a26~0 && 1 == ~a3~0 && 1 == calculate_output_~input#1) && 1 == ~a1~0) && 1 == ~a25~0) && 18 == ~a4~0); 13343#L82 assume !(!(1 == ~a3~0) && 17 == ~a28~0 && 1 == ~a25~0 && ((5 == calculate_output_~input#1 && (((18 == ~a14~0 && 19 == ~a26~0 && !(1 == ~a7~0)) || (19 == ~a14~0 && 1 == ~a7~0 && 17 == ~a26~0)) || (19 == ~a14~0 && 18 == ~a26~0 && 1 == ~a7~0))) && 17 == ~a4~0) && 1 == ~a1~0); 13344#L90 assume !(1 == ~a1~0 && 17 == ~a26~0 && 18 == ~a4~0 && !(1 == ~a7~0) && ((1 == ~a25~0 && 3 == calculate_output_~input#1 && 15 == ~a28~0) && 1 == ~a3~0) && 20 == ~a14~0); 12664#L95 assume !(((((1 == ~a1~0 && (20 == ~a14~0 && 2 == calculate_output_~input#1 && 17 == ~a26~0) && !(1 == ~a7~0)) && 15 == ~a28~0) && 1 == ~a25~0) && 17 == ~a4~0) && !(1 == ~a3~0)); 12665#L102 assume !(17 == ~a28~0 && 17 == ~a4~0 && 1 == ~a25~0 && 1 == ~a3~0 && 20 == ~a14~0 && 1 == ~a1~0 && 6 == calculate_output_~input#1 && (((1 == ~a7~0 && 19 == ~a26~0) || (17 == ~a26~0 && !(1 == ~a7~0))) || (!(1 == ~a7~0) && 18 == ~a26~0))); 12919#L109 assume !(((17 == ~a4~0 && (((((!(1 == ~a7~0) && 19 == ~a26~0) && 19 == ~a14~0) || (20 == ~a14~0 && 1 == ~a7~0 && 17 == ~a26~0)) && 3 == calculate_output_~input#1) && 15 == ~a28~0) && 1 == ~a25~0) && 1 == ~a3~0) && 1 == ~a1~0); 12168#L115 assume !((16 == ~a28~0 && (!(1 == ~a7~0) && 1 == ~a1~0 && 17 == ~a4~0 && ((18 == ~a26~0 || 19 == ~a26~0) && 5 == calculate_output_~input#1) && !(1 == ~a3~0)) && 18 == ~a14~0) && 1 == ~a25~0); 12169#L122 assume 1 == ~a25~0 && (1 == ~a1~0 && (1 == ~a7~0 && ((2 == calculate_output_~input#1 && 17 == ~a4~0) && 15 == ~a28~0) && 1 == ~a3~0) && 18 == ~a26~0) && 19 == ~a14~0;~a26~0 := 17;~a14~0 := 20;calculate_output_#res#1 := 24; 12746#calculate_output_returnLabel#1 main_#t~ret13#1 := calculate_output_#res#1;havoc calculate_output_#t~ret9#1, calculate_output_~input#1;havoc calculate_output_#in~input#1;assume { :end_inline_calculate_output } true;main_~output~0#1 := main_#t~ret13#1;havoc main_#t~ret13#1;havoc main_~input~0#1; 13516#L4826-2 assume !false;havoc main_~input~0#1;havoc main_#t~nondet12#1;main_~input~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 12692#L4831 [2023-11-21 22:09:37,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:37,533 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2023-11-21 22:09:37,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:37,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597441637] [2023-11-21 22:09:37,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:37,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:09:37,561 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:09:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:09:37,593 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:09:37,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:37,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1835408563, now seen corresponding path program 1 times [2023-11-21 22:09:37,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:37,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994280347] [2023-11-21 22:09:37,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:37,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:09:37,640 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:09:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:09:37,672 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:09:37,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:37,681 INFO L85 PathProgramCache]: Analyzing trace with hash -783635514, now seen corresponding path program 1 times [2023-11-21 22:09:37,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:37,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16364284] [2023-11-21 22:09:37,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:37,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:09:37,716 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:09:37,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:09:37,747 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:09:38,005 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:09:38,006 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:09:38,006 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:09:38,006 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:09:38,006 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-21 22:09:38,006 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:38,007 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:09:38,007 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:09:38,007 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem04_label42.c_Iteration2_Loop [2023-11-21 22:09:38,007 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:09:38,008 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:09:38,009 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,013 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,017 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,021 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,035 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,038 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,043 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,048 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,055 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,058 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,061 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,065 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,068 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,079 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,083 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,087 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,241 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:09:38,242 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-21 22:09:38,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:38,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:38,243 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:38,255 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:09:38,256 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:09:38,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-21 22:09:38,289 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:09:38,289 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a3~0=1} Honda state: {~a3~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 22:09:38,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:38,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:38,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:38,321 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:38,331 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:09:38,331 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:09:38,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-21 22:09:38,364 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:09:38,364 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a1~0=1} Honda state: {~a1~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 22:09:38,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:38,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:38,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:38,397 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:38,406 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:09:38,406 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:09:38,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-21 22:09:38,437 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-21 22:09:38,437 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~a28~0=15} Honda state: {~a28~0=15} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-21 22:09:38,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:38,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:38,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:38,468 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:38,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-21 22:09:38,578 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-21 22:09:38,578 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:09:38,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:38,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:38,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:38,636 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:38,645 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-21 22:09:38,645 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-21 22:09:38,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-21 22:09:38,700 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-21 22:09:38,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:38,739 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:09:38,739 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:09:38,739 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:09:38,739 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:09:38,740 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:09:38,740 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:38,740 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:09:38,740 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:09:38,740 INFO L133 ssoRankerPreferences]: Filename of dumped script: Problem04_label42.c_Iteration2_Loop [2023-11-21 22:09:38,740 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:09:38,740 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:09:38,743 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,750 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,756 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,761 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,781 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,788 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,801 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,805 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,808 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,810 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,818 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,822 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,827 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,835 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:38,838 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:09:39,021 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:09:39,021 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:09:39,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:39,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:39,023 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:39,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-21 22:09:39,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:09:39,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:09:39,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:09:39,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:09:39,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:09:39,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:09:39,045 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:09:39,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:09:39,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:09:39,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:39,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:39,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:39,080 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:39,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:09:39,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:09:39,101 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:09:39,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:09:39,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:09:39,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:09:39,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:09:39,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:09:39,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-21 22:09:39,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:09:39,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:39,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:39,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:39,142 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:39,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:09:39,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-21 22:09:39,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:09:39,164 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:09:39,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:09:39,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:09:39,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:09:39,165 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:09:39,165 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:09:39,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:09:39,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:39,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:39,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:39,208 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:39,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-21 22:09:39,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:09:39,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:09:39,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:09:39,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:09:39,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:09:39,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:09:39,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:09:39,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:09:39,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:09:39,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:39,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:39,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:39,283 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:39,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:09:39,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-21 22:09:39,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:09:39,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:09:39,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:09:39,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:09:39,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:09:39,305 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:09:39,306 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:09:39,315 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:09:39,319 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-21 22:09:39,319 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-21 22:09:39,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:09:39,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:09:39,321 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:09:39,329 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:09:39,329 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-21 22:09:39,330 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:09:39,330 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~a14~0) = -2*~a14~0 + 39 Supporting invariants [] [2023-11-21 22:09:39,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-21 22:09:39,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-21 22:09:39,360 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-21 22:09:39,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:39,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:09:39,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:09:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:39,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 22:09:39,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:09:39,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:09:39,497 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-21 22:09:39,497 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4919 states and 7531 transitions. cyclomatic complexity: 2615 Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:44,012 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4919 states and 7531 transitions. cyclomatic complexity: 2615. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 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 14807 states and 20750 transitions. Complement of second has 5 states. [2023-11-21 22:09:44,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-21 22:09:44,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:44,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1118 transitions. [2023-11-21 22:09:44,016 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 1118 transitions. Stem has 3 letters. Loop has 15 letters. [2023-11-21 22:09:44,017 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:09:44,017 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 1118 transitions. Stem has 18 letters. Loop has 15 letters. [2023-11-21 22:09:44,017 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:09:44,017 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 1118 transitions. Stem has 3 letters. Loop has 30 letters. [2023-11-21 22:09:44,018 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:09:44,019 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14807 states and 20750 transitions. [2023-11-21 22:09:44,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d93a7a5-d60f-4aa1-a5d6-ccd6dc1ce745/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-21 22:09:44,202 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 6544 [2023-11-21 22:09:44,333 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14807 states to 14807 states and 20750 transitions. [2023-11-21 22:09:44,333 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6556 [2023-11-21 22:09:44,343 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6573 [2023-11-21 22:09:44,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14807 states and 20750 transitions. [2023-11-21 22:09:44,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:09:44,344 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14807 states and 20750 transitions. [2023-11-21 22:09:44,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14807 states and 20750 transitions. [2023-11-21 22:09:44,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14807 to 14790. [2023-11-21 22:09:44,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14790 states, 14790 states have (on average 1.4018255578093306) internal successors, (20733), 14789 states have internal predecessors, (20733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:44,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14790 states to 14790 states and 20733 transitions. [2023-11-21 22:09:44,733 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14790 states and 20733 transitions. [2023-11-21 22:09:44,733 INFO L428 stractBuchiCegarLoop]: Abstraction has 14790 states and 20733 transitions. [2023-11-21 22:09:44,733 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-21 22:09:44,734 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14790 states and 20733 transitions. [2023-11-21 22:09:44,795 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 6544 [2023-11-21 22:09:44,796 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:09:44,796 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:09:44,801 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-21 22:09:44,801 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:09:44,802 INFO L748 eck$LassoCheckResult]: Stem: 32265#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(20, 2);call #Ultimate.allocInit(12, 3);~f~0 := 6;~e~0 := 5;~d~0 := 4;~b~0 := 2;~a~0 := 1;~c~0 := 3;~u~0 := 21;~v~0 := 22;~w~0 := 23;~x~0 := 24;~y~0 := 25;~z~0 := 26;~a3~0 := 1;~a4~0 := 17;~a25~0 := 1;~a1~0 := 1;~a26~0 := 18;~a28~0 := 15;~a7~0 := 1;~a14~0 := 19; 32266#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_~input~0#1, main_~output~0#1;main_~output~0#1 := -1; 33750#L4826-2 assume !false;havoc main_~input~0#1;havoc main_#t~nondet12#1;main_~input~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 43614#L4831 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_#t~ret9#1, calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 32478#L50 [2023-11-21 22:09:44,803 INFO L750 eck$LassoCheckResult]: Loop: 32478#L50 assume !((1 == ~a25~0 && 1 == ~a1~0 && 5 == calculate_output_~input#1 && (((((17 == ~a4~0 && 19 == ~a26~0) && 17 == ~a28~0) && !(1 == ~a7~0)) && 20 == ~a14~0) || ((1 == ~a7~0 && (17 == ~a26~0 && 18 == ~a4~0) && 15 == ~a28~0) && 18 == ~a14~0))) && 1 == ~a3~0); 37951#L57 assume (1 == ~a25~0 && (16 == ~a28~0 && 17 == ~a4~0 && 1 == ~a1~0 && (((1 == ~a7~0 && 18 == ~a26~0) || (19 == ~a26~0 && 1 == ~a7~0)) || (!(1 == ~a7~0) && 17 == ~a26~0)) && 4 == calculate_output_~input#1) && !(1 == ~a3~0)) && 20 == ~a14~0;~a26~0 := 19;~a28~0 := 15;~a7~0 := 0;calculate_output_#res#1 := -1; 33249#calculate_output_returnLabel#1 main_#t~ret13#1 := calculate_output_#res#1;havoc calculate_output_#t~ret9#1, calculate_output_~input#1;havoc calculate_output_#in~input#1;assume { :end_inline_calculate_output } true;main_~output~0#1 := main_#t~ret13#1;havoc main_#t~ret13#1;havoc main_~input~0#1; 33250#L4826-2 assume !false;havoc main_~input~0#1;havoc main_#t~nondet12#1;main_~input~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 38202#L4831 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_#t~ret9#1, calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 38201#L50 assume !((1 == ~a25~0 && 1 == ~a1~0 && 5 == calculate_output_~input#1 && (((((17 == ~a4~0 && 19 == ~a26~0) && 17 == ~a28~0) && !(1 == ~a7~0)) && 20 == ~a14~0) || ((1 == ~a7~0 && (17 == ~a26~0 && 18 == ~a4~0) && 15 == ~a28~0) && 18 == ~a14~0))) && 1 == ~a3~0); 38200#L57 assume !((1 == ~a25~0 && (16 == ~a28~0 && 17 == ~a4~0 && 1 == ~a1~0 && (((1 == ~a7~0 && 18 == ~a26~0) || (19 == ~a26~0 && 1 == ~a7~0)) || (!(1 == ~a7~0) && 17 == ~a26~0)) && 4 == calculate_output_~input#1) && !(1 == ~a3~0)) && 20 == ~a14~0); 38199#L62 assume !(17 == ~a28~0 && 1 == ~a1~0 && 1 == ~a25~0 && 1 == ~a7~0 && 17 == ~a4~0 && (18 == ~a14~0 && 4 == calculate_output_~input#1 && (17 == ~a26~0 || 18 == ~a26~0)) && !(1 == ~a3~0)); 38198#L68 assume !(!(1 == ~a7~0) && !(1 == ~a3~0) && (16 == ~a28~0 && 1 == ~a25~0 && 17 == ~a4~0 && ((17 == ~a26~0 || 18 == ~a26~0) && 6 == calculate_output_~input#1) && 1 == ~a1~0) && 19 == ~a14~0); 38197#L76 assume !(16 == ~a28~0 && ((18 == ~a14~0 && (!(1 == ~a7~0) && 18 == ~a26~0 && 1 == ~a3~0 && 1 == calculate_output_~input#1) && 1 == ~a1~0) && 1 == ~a25~0) && 18 == ~a4~0); 38195#L82 assume !(!(1 == ~a3~0) && 17 == ~a28~0 && 1 == ~a25~0 && ((5 == calculate_output_~input#1 && (((18 == ~a14~0 && 19 == ~a26~0 && !(1 == ~a7~0)) || (19 == ~a14~0 && 1 == ~a7~0 && 17 == ~a26~0)) || (19 == ~a14~0 && 18 == ~a26~0 && 1 == ~a7~0))) && 17 == ~a4~0) && 1 == ~a1~0); 38193#L90 assume !(1 == ~a1~0 && 17 == ~a26~0 && 18 == ~a4~0 && !(1 == ~a7~0) && ((1 == ~a25~0 && 3 == calculate_output_~input#1 && 15 == ~a28~0) && 1 == ~a3~0) && 20 == ~a14~0); 38192#L95 assume !(((((1 == ~a1~0 && (20 == ~a14~0 && 2 == calculate_output_~input#1 && 17 == ~a26~0) && !(1 == ~a7~0)) && 15 == ~a28~0) && 1 == ~a25~0) && 17 == ~a4~0) && !(1 == ~a3~0)); 38191#L102 assume !(17 == ~a28~0 && 17 == ~a4~0 && 1 == ~a25~0 && 1 == ~a3~0 && 20 == ~a14~0 && 1 == ~a1~0 && 6 == calculate_output_~input#1 && (((1 == ~a7~0 && 19 == ~a26~0) || (17 == ~a26~0 && !(1 == ~a7~0))) || (!(1 == ~a7~0) && 18 == ~a26~0))); 38190#L109 assume !(((17 == ~a4~0 && (((((!(1 == ~a7~0) && 19 == ~a26~0) && 19 == ~a14~0) || (20 == ~a14~0 && 1 == ~a7~0 && 17 == ~a26~0)) && 3 == calculate_output_~input#1) && 15 == ~a28~0) && 1 == ~a25~0) && 1 == ~a3~0) && 1 == ~a1~0); 37955#L115 assume !((16 == ~a28~0 && (!(1 == ~a7~0) && 1 == ~a1~0 && 17 == ~a4~0 && ((18 == ~a26~0 || 19 == ~a26~0) && 5 == calculate_output_~input#1) && !(1 == ~a3~0)) && 18 == ~a14~0) && 1 == ~a25~0); 37954#L122 assume !(1 == ~a25~0 && (1 == ~a1~0 && (1 == ~a7~0 && ((2 == calculate_output_~input#1 && 17 == ~a4~0) && 15 == ~a28~0) && 1 == ~a3~0) && 18 == ~a26~0) && 19 == ~a14~0); 37953#L126 assume !((18 == ~a26~0 && 1 == ~a7~0 && 16 == ~a28~0 && (((1 == ~a25~0 && 2 == calculate_output_~input#1) && 18 == ~a4~0) && 19 == ~a14~0) && 1 == ~a1~0) && !(1 == ~a3~0)); 37952#L131 assume !(18 == ~a4~0 && 1 == ~a7~0 && !(1 == ~a3~0) && 19 == ~a14~0 && (1 == ~a1~0 && 16 == ~a28~0 && 1 == calculate_output_~input#1 && 18 == ~a26~0) && 1 == ~a25~0); 37950#L138 assume !(1 == ~a25~0 && !(1 == ~a3~0) && 16 == ~a28~0 && (((3 == calculate_output_~input#1 && ((!(1 == ~a7~0) && 17 == ~a26~0) || (1 == ~a7~0 && 18 == ~a26~0) || (1 == ~a7~0 && 19 == ~a26~0))) && 20 == ~a14~0) && 1 == ~a1~0) && 17 == ~a4~0); 37948#L146 assume !(17 == ~a4~0 && 1 == ~a25~0 && 20 == ~a14~0 && ((!(1 == ~a3~0) && 5 == calculate_output_~input#1 && (((1 == ~a7~0 && 18 == ~a26~0) || (19 == ~a26~0 && 1 == ~a7~0)) || (17 == ~a26~0 && !(1 == ~a7~0)))) && 1 == ~a1~0) && 16 == ~a28~0); 37946#L151 assume !(((((((1 == ~a7~0 && (19 == ~a26~0 || 17 == ~a26~0 || 18 == ~a26~0) && 5 == calculate_output_~input#1) && 1 == ~a1~0) && !(1 == ~a3~0)) && 1 == ~a25~0) && 20 == ~a14~0) && 18 == ~a4~0) && 15 == ~a28~0); 37944#L157 assume !((19 == ~a26~0 && 1 == ~a7~0 && (((18 == ~a14~0 && 4 == calculate_output_~input#1 && 1 == ~a1~0) && !(1 == ~a3~0)) && 1 == ~a25~0) && 15 == ~a28~0) && 16 == ~a4~0); 37942#L161 assume !(18 == ~a26~0 && (15 == ~a28~0 && 1 == ~a7~0 && 1 == ~a25~0 && (17 == ~a4~0 && 19 == ~a14~0 && 6 == calculate_output_~input#1) && 1 == ~a3~0) && 1 == ~a1~0); 37940#L165 assume !((20 == ~a14~0 && (15 == ~a28~0 && ((17 == ~a4~0 && 5 == calculate_output_~input#1 && 1 == ~a3~0) && 19 == ~a26~0) && 1 == ~a25~0) && 1 == ~a1~0) && 1 == ~a7~0); 37938#L170 assume !((1 == ~a1~0 && (((19 == ~a14~0 && 4 == calculate_output_~input#1 && ((18 == ~a26~0 && !(1 == ~a7~0)) || (1 == ~a7~0 && 19 == ~a26~0) || (17 == ~a26~0 && !(1 == ~a7~0)))) && 16 == ~a28~0) && 16 == ~a4~0) && 1 == ~a25~0) && !(1 == ~a3~0)); 37937#L176 assume !(17 == ~a28~0 && (1 == ~a3~0 && 1 == ~a25~0 && 18 == ~a4~0 && 1 == calculate_output_~input#1 && (((19 == ~a26~0 && !(1 == ~a7~0)) && 19 == ~a14~0) || ((17 == ~a26~0 && 1 == ~a7~0) && 20 == ~a14~0))) && 1 == ~a1~0); 37936#L183 assume !((!(1 == ~a7~0) && ((!(1 == ~a3~0) && (((18 == ~a26~0 || 19 == ~a26~0) && 2 == calculate_output_~input#1) && 1 == ~a1~0) && 18 == ~a14~0) && 1 == ~a25~0) && 16 == ~a4~0) && 16 == ~a28~0); 37935#L189 assume !((1 == ~a1~0 && (20 == ~a14~0 && (17 == ~a28~0 && (((1 == ~a7~0 && 19 == ~a26~0) || (17 == ~a26~0 && !(1 == ~a7~0))) || (18 == ~a26~0 && !(1 == ~a7~0))) && 3 == calculate_output_~input#1) && 17 == ~a4~0) && 1 == ~a3~0) && 1 == ~a25~0); 37934#L195 assume !((1 == ~a25~0 && 16 == ~a28~0 && (1 == ~a1~0 && ((((18 == ~a26~0 && !(1 == ~a7~0)) && 19 == ~a14~0) || ((19 == ~a26~0 && !(1 == ~a7~0)) && 19 == ~a14~0)) || (20 == ~a14~0 && 1 == ~a7~0 && 17 == ~a26~0)) && 5 == calculate_output_~input#1) && 1 == ~a3~0) && 17 == ~a4~0); 37933#L202 assume !(1 == ~a1~0 && 16 == ~a4~0 && ((((((17 == ~a26~0 || 18 == ~a26~0) && 3 == calculate_output_~input#1) && 16 == ~a28~0) && 1 == ~a7~0) && 1 == ~a25~0) && !(1 == ~a3~0)) && 19 == ~a14~0); 37932#L208 assume !(16 == ~a4~0 && 1 == ~a25~0 && 17 == ~a28~0 && ((19 == ~a14~0 && (1 == calculate_output_~input#1 && (18 == ~a26~0 || 19 == ~a26~0)) && 1 == ~a7~0) && !(1 == ~a3~0)) && 1 == ~a1~0); 37931#L214 assume !(1 == ~a25~0 && (((1 == ~a3~0 && ((((19 == ~a26~0 && !(1 == ~a7~0)) && 19 == ~a14~0) || (20 == ~a14~0 && 1 == ~a7~0 && 17 == ~a26~0)) || ((1 == ~a7~0 && 18 == ~a26~0) && 20 == ~a14~0)) && 3 == calculate_output_~input#1) && 15 == ~a28~0) && 1 == ~a1~0) && 18 == ~a4~0); 37352#L220 assume !(16 == ~a28~0 && 1 == ~a3~0 && 19 == ~a14~0 && ((18 == ~a4~0 && !(1 == ~a7~0) && 5 == calculate_output_~input#1 && (18 == ~a26~0 || 19 == ~a26~0)) && 1 == ~a25~0) && 1 == ~a1~0); 36911#L227 assume !((!(1 == ~a3~0) && ((((((1 == ~a7~0 && 19 == ~a26~0) || (!(1 == ~a7~0) && 17 == ~a26~0)) && 2 == calculate_output_~input#1) && 17 == ~a4~0) && 1 == ~a25~0) && 15 == ~a28~0) && 19 == ~a14~0) && 1 == ~a1~0); 36860#L234 assume !(((17 == ~a28~0 && (((2 == calculate_output_~input#1 && (((18 == ~a26~0 && 1 == ~a7~0) || (19 == ~a26~0 && 1 == ~a7~0)) || (!(1 == ~a7~0) && 17 == ~a26~0))) && 18 == ~a14~0) && 1 == ~a25~0) && 18 == ~a4~0) && 1 == ~a3~0) && 1 == ~a1~0); 36857#L240 assume !((((1 == ~a3~0 && (1 == ~a25~0 && (4 == calculate_output_~input#1 && 1 == ~a7~0) && 20 == ~a14~0) && 1 == ~a1~0) && 17 == ~a4~0) && 17 == ~a28~0) && 18 == ~a26~0); 36853#L246 assume !(1 == ~a1~0 && 18 == ~a4~0 && ((!(1 == ~a7~0) && 19 == ~a14~0 && (5 == calculate_output_~input#1 && (17 == ~a26~0 || 18 == ~a26~0)) && 1 == ~a25~0) && 15 == ~a28~0) && 1 == ~a3~0); 36849#L252 assume !(1 == ~a25~0 && 18 == ~a4~0 && 1 == ~a1~0 && 16 == ~a28~0 && ((2 == calculate_output_~input#1 && ((!(1 == ~a7~0) && 18 == ~a26~0) || (1 == ~a7~0 && 19 == ~a26~0) || (17 == ~a26~0 && !(1 == ~a7~0)))) && 18 == ~a14~0) && !(1 == ~a3~0)); 36845#L259 assume !((18 == ~a4~0 && (16 == ~a28~0 && 1 == ~a3~0 && 18 == ~a14~0 && ((!(1 == ~a7~0) && 17 == ~a26~0) || (18 == ~a26~0 && 1 == ~a7~0) || (1 == ~a7~0 && 19 == ~a26~0)) && 2 == calculate_output_~input#1) && 1 == ~a1~0) && 1 == ~a25~0); 36841#L265 assume !((!(1 == ~a7~0) && 16 == ~a28~0 && 1 == ~a25~0 && 1 == ~a1~0 && !(1 == ~a3~0) && (5 == calculate_output_~input#1 && 19 == ~a14~0) && 18 == ~a26~0) && 18 == ~a4~0); 36837#L270 assume !(((((15 == ~a28~0 && (1 == ~a1~0 && 2 == calculate_output_~input#1 && (17 == ~a26~0 || 18 == ~a26~0)) && !(1 == ~a3~0)) && 1 == ~a25~0) && 19 == ~a14~0) && 1 == ~a7~0) && 16 == ~a4~0); 36833#L275 assume !((((((!(1 == ~a7~0) && 20 == ~a14~0 && (17 == ~a26~0 || 18 == ~a26~0) && 6 == calculate_output_~input#1) && 1 == ~a25~0) && 16 == ~a4~0) && 1 == ~a1~0) && !(1 == ~a3~0)) && 15 == ~a28~0); 36829#L278 assume !(19 == ~a14~0 && 19 == ~a26~0 && 15 == ~a28~0 && (16 == ~a4~0 && !(1 == ~a3~0) && (1 == ~a25~0 && 2 == calculate_output_~input#1) && !(1 == ~a7~0)) && 1 == ~a1~0); 36825#L284 assume !((((1 == ~a25~0 && 18 == ~a4~0 && ((((1 == ~a7~0 && 18 == ~a26~0) || (19 == ~a26~0 && 1 == ~a7~0)) || (17 == ~a26~0 && !(1 == ~a7~0))) && 4 == calculate_output_~input#1) && 18 == ~a14~0) && 17 == ~a28~0) && 1 == ~a3~0) && 1 == ~a1~0); 36821#L290 assume !((16 == ~a28~0 && ((19 == ~a14~0 && ((((1 == ~a7~0 && 18 == ~a26~0) || (1 == ~a7~0 && 19 == ~a26~0)) || (!(1 == ~a7~0) && 17 == ~a26~0)) && 1 == calculate_output_~input#1) && 1 == ~a3~0) && 1 == ~a25~0) && 1 == ~a1~0) && 17 == ~a4~0); 36817#L297 assume !(1 == ~a25~0 && ((((15 == ~a28~0 && (6 == calculate_output_~input#1 && 19 == ~a14~0) && 18 == ~a26~0) && !(1 == ~a7~0)) && 17 == ~a4~0) && 1 == ~a1~0) && !(1 == ~a3~0)); 36813#L304 assume !(1 == ~a3~0 && (((4 == calculate_output_~input#1 && ((18 == ~a14~0 && 1 == ~a7~0 && 17 == ~a26~0 && 16 == ~a28~0) || (20 == ~a14~0 && (18 == ~a26~0 && 15 == ~a28~0) && !(1 == ~a7~0)) || ((!(1 == ~a7~0) && 19 == ~a26~0 && 15 == ~a28~0) && 20 == ~a14~0))) && 1 == ~a1~0) && 1 == ~a25~0) && 18 == ~a4~0); 36809#L312 assume !(20 == ~a14~0 && 1 == ~a25~0 && (1 == ~a7~0 && ((16 == ~a4~0 && 5 == calculate_output_~input#1 && (17 == ~a26~0 || 18 == ~a26~0)) && 1 == ~a1~0) && !(1 == ~a3~0)) && 15 == ~a28~0); 36805#L317 assume !(!(1 == ~a3~0) && (1 == ~a25~0 && 17 == ~a28~0 && (5 == calculate_output_~input#1 && ((20 == ~a14~0 && 18 == ~a26~0 && 1 == ~a7~0) || ((!(1 == ~a7~0) && 19 == ~a26~0) && 19 == ~a14~0) || (20 == ~a14~0 && 17 == ~a26~0 && 1 == ~a7~0))) && 16 == ~a4~0) && 1 == ~a1~0); 36801#L324 assume !(18 == ~a14~0 && 16 == ~a28~0 && ((((!(1 == ~a7~0) && 6 == calculate_output_~input#1 && (18 == ~a26~0 || 19 == ~a26~0)) && 16 == ~a4~0) && !(1 == ~a3~0)) && 1 == ~a1~0) && 1 == ~a25~0); 36797#L329 assume !(18 == ~a4~0 && 17 == ~a26~0 && 1 == ~a25~0 && 1 == ~a1~0 && ((1 == ~a7~0 && 16 == ~a28~0 && 6 == calculate_output_~input#1) && 20 == ~a14~0) && 1 == ~a3~0); 36793#L333 assume !((1 == ~a25~0 && 16 == ~a28~0 && !(1 == ~a3~0) && 16 == ~a4~0 && (1 == calculate_output_~input#1 && ((1 == ~a7~0 && 19 == ~a26~0) || (17 == ~a26~0 && !(1 == ~a7~0)))) && 1 == ~a1~0) && 20 == ~a14~0); 36789#L340 assume !(1 == ~a1~0 && 1 == ~a3~0 && (20 == ~a14~0 && 16 == ~a28~0 && (3 == calculate_output_~input#1 && (((1 == ~a7~0 && 18 == ~a26~0) || (19 == ~a26~0 && 1 == ~a7~0)) || (17 == ~a26~0 && !(1 == ~a7~0)))) && 1 == ~a25~0) && 18 == ~a4~0); 36785#L347 assume !(((18 == ~a4~0 && ((6 == calculate_output_~input#1 && ((18 == ~a14~0 && !(1 == ~a7~0) && 19 == ~a26~0) || (19 == ~a14~0 && 17 == ~a26~0 && 1 == ~a7~0))) && 1 == ~a1~0) && !(1 == ~a3~0)) && 1 == ~a25~0) && 16 == ~a28~0); 36781#L355 assume !(1 == ~a7~0 && 1 == ~a25~0 && ((1 == ~a1~0 && (17 == ~a28~0 && 2 == calculate_output_~input#1 && (17 == ~a26~0 || 18 == ~a26~0)) && 18 == ~a14~0) && 18 == ~a4~0) && !(1 == ~a3~0)); 36777#L362 assume !(((((16 == ~a28~0 && 1 == ~a25~0 && 6 == calculate_output_~input#1 && ((17 == ~a26~0 && !(1 == ~a7~0)) || (18 == ~a26~0 && 1 == ~a7~0) || (1 == ~a7~0 && 19 == ~a26~0))) && 1 == ~a1~0) && 1 == ~a3~0) && 19 == ~a14~0) && 18 == ~a4~0); 36773#L369 assume !((19 == ~a14~0 && 1 == ~a25~0 && (!(1 == ~a7~0) && 16 == ~a28~0 && 17 == ~a4~0 && 3 == calculate_output_~input#1 && !(1 == ~a3~0)) && 19 == ~a26~0) && 1 == ~a1~0); 36769#L377 assume !(((1 == ~a1~0 && ((1 == ~a3~0 && 19 == ~a14~0 && 2 == calculate_output_~input#1 && 18 == ~a4~0) && 1 == ~a7~0) && 15 == ~a28~0) && 18 == ~a26~0) && 1 == ~a25~0); 36765#L382 assume !(16 == ~a4~0 && (!(1 == ~a3~0) && 19 == ~a14~0 && 1 == ~a1~0 && (((17 == ~a26~0 || 18 == ~a26~0) && 4 == calculate_output_~input#1) && 15 == ~a28~0) && !(1 == ~a7~0)) && 1 == ~a25~0); 36761#L387 assume !(((((18 == ~a14~0 && ((1 == calculate_output_~input#1 && 1 == ~a3~0) && 17 == ~a28~0) && 18 == ~a4~0) && !(1 == ~a7~0)) && 18 == ~a26~0) && 1 == ~a1~0) && 1 == ~a25~0); 36757#L393 assume !(1 == ~a7~0 && 19 == ~a26~0 && 1 == ~a1~0 && 19 == ~a14~0 && 1 == ~a25~0 && 15 == ~a28~0 && 16 == ~a4~0 && !(1 == ~a3~0) && 5 == calculate_output_~input#1); 36753#L398 assume !(!(1 == ~a7~0) && (1 == ~a1~0 && ((!(1 == ~a3~0) && 18 == ~a14~0 && 6 == calculate_output_~input#1 && (19 == ~a26~0 || 17 == ~a26~0 || 18 == ~a26~0)) && 16 == ~a4~0) && 1 == ~a25~0) && 15 == ~a28~0); 36749#L403 assume !(16 == ~a4~0 && (!(1 == ~a3~0) && 20 == ~a14~0 && ((((17 == ~a26~0 || 18 == ~a26~0) && 4 == calculate_output_~input#1) && 15 == ~a28~0) && 1 == ~a25~0) && 1 == ~a1~0) && !(1 == ~a7~0)); 36745#L411 assume !((16 == ~a4~0 && ((19 == ~a14~0 && 1 == ~a7~0 && (1 == calculate_output_~input#1 && (17 == ~a26~0 || 18 == ~a26~0)) && !(1 == ~a3~0)) && 1 == ~a25~0) && 1 == ~a1~0) && 15 == ~a28~0); 36741#L416 assume !((((19 == ~a26~0 && 18 == ~a4~0 && (!(1 == ~a7~0) && 16 == ~a28~0 && 2 == calculate_output_~input#1) && 1 == ~a1~0) && 18 == ~a14~0) && 1 == ~a25~0) && 1 == ~a3~0); 36737#L422 assume !(((1 == ~a1~0 && 17 == ~a28~0 && 20 == ~a14~0 && 1 == ~a3~0 && (((19 == ~a26~0 && 1 == ~a7~0) || (!(1 == ~a7~0) && 17 == ~a26~0)) || (18 == ~a26~0 && !(1 == ~a7~0))) && 5 == calculate_output_~input#1) && 17 == ~a4~0) && 1 == ~a25~0); 36733#L429 assume !((1 == ~a25~0 && 18 == ~a4~0 && ((1 == ~a7~0 && (6 == calculate_output_~input#1 && 1 == ~a3~0) && 1 == ~a1~0) && 19 == ~a14~0) && 17 == ~a26~0) && 16 == ~a28~0); 36731#L434 assume !(((1 == ~a1~0 && (((((18 == ~a26~0 || 19 == ~a26~0) && 4 == calculate_output_~input#1) && 1 == ~a25~0) && !(1 == ~a3~0)) && 18 == ~a14~0) && 16 == ~a28~0) && !(1 == ~a7~0)) && 16 == ~a4~0); 36729#L440 assume !(1 == ~a1~0 && (19 == ~a14~0 && ((1 == ~a7~0 && (6 == calculate_output_~input#1 && (18 == ~a26~0 || 19 == ~a26~0)) && 17 == ~a28~0) && !(1 == ~a3~0)) && 1 == ~a25~0) && 16 == ~a4~0); 36725#L446 assume !(((1 == ~a25~0 && ((1 == ~a7~0 && (2 == calculate_output_~input#1 && 20 == ~a14~0) && 17 == ~a4~0) && 15 == ~a28~0) && 18 == ~a26~0) && 1 == ~a1~0) && 1 == ~a3~0); 36721#L450 assume !(((1 == ~a1~0 && 20 == ~a14~0 && (!(1 == ~a7~0) && (15 == ~a28~0 && 5 == calculate_output_~input#1) && 17 == ~a26~0) && 1 == ~a25~0) && 1 == ~a3~0) && 17 == ~a4~0); 36717#L454 assume !(1 == ~a1~0 && 17 == ~a4~0 && 1 == ~a25~0 && 16 == ~a28~0 && !(1 == ~a7~0) && (!(1 == ~a3~0) && (18 == ~a26~0 || 19 == ~a26~0) && 5 == calculate_output_~input#1) && 20 == ~a14~0); 36713#L457 assume !((19 == ~a14~0 && 1 == ~a3~0 && 1 == ~a1~0 && (1 == ~a25~0 && ((!(1 == ~a7~0) && 17 == ~a26~0) || (18 == ~a26~0 && 1 == ~a7~0) || (19 == ~a26~0 && 1 == ~a7~0)) && 1 == calculate_output_~input#1) && 18 == ~a4~0) && 17 == ~a28~0); 36709#L464 assume !(16 == ~a28~0 && (1 == ~a1~0 && 17 == ~a4~0 && 1 == ~a3~0 && 1 == ~a25~0 && 6 == calculate_output_~input#1 && ((17 == ~a26~0 && !(1 == ~a7~0)) || (1 == ~a7~0 && 18 == ~a26~0) || (19 == ~a26~0 && 1 == ~a7~0))) && 20 == ~a14~0); 36705#L471 assume !((1 == ~a25~0 && ((1 == ~a1~0 && ((6 == calculate_output_~input#1 && (18 == ~a26~0 || 19 == ~a26~0)) && 18 == ~a4~0) && 20 == ~a14~0) && !(1 == ~a7~0)) && 15 == ~a28~0) && !(1 == ~a3~0)); 36701#L477 assume !(16 == ~a28~0 && (((16 == ~a4~0 && 1 == ~a7~0 && (6 == calculate_output_~input#1 && 18 == ~a14~0) && !(1 == ~a3~0)) && 1 == ~a25~0) && 1 == ~a1~0) && 18 == ~a26~0); 36697#L482 assume !((15 == ~a28~0 && 1 == ~a1~0 && 16 == ~a4~0 && !(1 == ~a3~0) && (((17 == ~a26~0 || 18 == ~a26~0) && 1 == calculate_output_~input#1) && 1 == ~a25~0) && 20 == ~a14~0) && 1 == ~a7~0); 36693#L488 assume !(1 == ~a1~0 && 15 == ~a28~0 && (17 == ~a4~0 && (19 == ~a26~0 && (19 == ~a14~0 && 4 == calculate_output_~input#1) && 1 == ~a25~0) && !(1 == ~a3~0)) && !(1 == ~a7~0)); 36689#L495 assume !(19 == ~a14~0 && (1 == ~a7~0 && ((((18 == ~a4~0 && 4 == calculate_output_~input#1) && 18 == ~a26~0) && 15 == ~a28~0) && 1 == ~a25~0) && 1 == ~a1~0) && 1 == ~a3~0); 36685#L500 assume !(((1 == ~a1~0 && 16 == ~a28~0 && 1 == ~a7~0 && 18 == ~a4~0 && !(1 == ~a3~0) && (17 == ~a26~0 || 18 == ~a26~0) && 6 == calculate_output_~input#1) && 1 == ~a25~0) && 18 == ~a14~0); 36681#L506 assume !((16 == ~a4~0 && (1 == ~a1~0 && 18 == ~a26~0 && (!(1 == ~a3~0) && 1 == ~a25~0 && 3 == calculate_output_~input#1) && 18 == ~a14~0) && 1 == ~a7~0) && 16 == ~a28~0); 36677#L511 assume 17 == ~a28~0 && 19 == ~a14~0 && 18 == ~a26~0 && !(1 == ~a7~0) && 1 == ~a25~0 && ((3 == calculate_output_~input#1 && 1 == ~a3~0) && 18 == ~a4~0) && 1 == ~a1~0;~a7~0 := 1;calculate_output_#res#1 := 26; 36074#calculate_output_returnLabel#1 main_#t~ret13#1 := calculate_output_#res#1;havoc calculate_output_#t~ret9#1, calculate_output_~input#1;havoc calculate_output_#in~input#1;assume { :end_inline_calculate_output } true;main_~output~0#1 := main_#t~ret13#1;havoc main_#t~ret13#1;havoc main_~input~0#1; 33701#L4826-2 assume !false;havoc main_~input~0#1;havoc main_#t~nondet12#1;main_~input~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 32477#L4831 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_#t~ret9#1, calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 32478#L50 [2023-11-21 22:09:44,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:44,808 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2023-11-21 22:09:44,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:44,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403419791] [2023-11-21 22:09:44,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:44,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:09:44,826 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:09:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:09:44,849 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:09:44,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:44,854 INFO L85 PathProgramCache]: Analyzing trace with hash 2118332259, now seen corresponding path program 1 times [2023-11-21 22:09:44,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:44,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528159440] [2023-11-21 22:09:44,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:44,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:45,205 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:09:45,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:09:45,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528159440] [2023-11-21 22:09:45,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528159440] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:09:45,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:09:45,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:09:45,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410152321] [2023-11-21 22:09:45,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:09:45,209 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-21 22:09:45,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:09:45,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:09:45,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:09:45,211 INFO L87 Difference]: Start difference. First operand 14790 states and 20733 transitions. cyclomatic complexity: 5952 Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:50,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:09:50,916 INFO L93 Difference]: Finished difference Result 29550 states and 39606 transitions. [2023-11-21 22:09:50,916 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29550 states and 39606 transitions. [2023-11-21 22:09:51,085 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 13088 [2023-11-21 22:09:51,258 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29550 states to 29550 states and 39606 transitions. [2023-11-21 22:09:51,258 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13107 [2023-11-21 22:09:51,279 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13107 [2023-11-21 22:09:51,279 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29550 states and 39606 transitions. [2023-11-21 22:09:51,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:09:51,281 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29550 states and 39606 transitions. [2023-11-21 22:09:51,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29550 states and 39606 transitions. [2023-11-21 22:09:51,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29550 to 29550. [2023-11-21 22:09:52,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29550 states, 29550 states have (on average 1.3403045685279187) internal successors, (39606), 29549 states have internal predecessors, (39606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:52,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29550 states to 29550 states and 39606 transitions. [2023-11-21 22:09:52,110 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29550 states and 39606 transitions. [2023-11-21 22:09:52,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:09:52,113 INFO L428 stractBuchiCegarLoop]: Abstraction has 29550 states and 39606 transitions. [2023-11-21 22:09:52,113 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-21 22:09:52,113 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29550 states and 39606 transitions. [2023-11-21 22:09:52,230 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 13088 [2023-11-21 22:09:52,230 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:09:52,230 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:09:52,236 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-21 22:09:52,236 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:09:52,236 INFO L748 eck$LassoCheckResult]: Stem: 76600#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(20, 2);call #Ultimate.allocInit(12, 3);~f~0 := 6;~e~0 := 5;~d~0 := 4;~b~0 := 2;~a~0 := 1;~c~0 := 3;~u~0 := 21;~v~0 := 22;~w~0 := 23;~x~0 := 24;~y~0 := 25;~z~0 := 26;~a3~0 := 1;~a4~0 := 17;~a25~0 := 1;~a1~0 := 1;~a26~0 := 18;~a28~0 := 15;~a7~0 := 1;~a14~0 := 19; 76601#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~ret13#1, main_~input~0#1, main_~output~0#1;main_~output~0#1 := -1; 78098#L4826-2 assume !false;havoc main_~input~0#1;havoc main_#t~nondet12#1;main_~input~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 97282#L4831 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_#t~ret9#1, calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 97283#L50 [2023-11-21 22:09:52,237 INFO L750 eck$LassoCheckResult]: Loop: 97283#L50 assume !((1 == ~a25~0 && 1 == ~a1~0 && 5 == calculate_output_~input#1 && (((((17 == ~a4~0 && 19 == ~a26~0) && 17 == ~a28~0) && !(1 == ~a7~0)) && 20 == ~a14~0) || ((1 == ~a7~0 && (17 == ~a26~0 && 18 == ~a4~0) && 15 == ~a28~0) && 18 == ~a14~0))) && 1 == ~a3~0); 95537#L57 assume !((1 == ~a25~0 && (16 == ~a28~0 && 17 == ~a4~0 && 1 == ~a1~0 && (((1 == ~a7~0 && 18 == ~a26~0) || (19 == ~a26~0 && 1 == ~a7~0)) || (!(1 == ~a7~0) && 17 == ~a26~0)) && 4 == calculate_output_~input#1) && !(1 == ~a3~0)) && 20 == ~a14~0); 88130#L62 assume !(17 == ~a28~0 && 1 == ~a1~0 && 1 == ~a25~0 && 1 == ~a7~0 && 17 == ~a4~0 && (18 == ~a14~0 && 4 == calculate_output_~input#1 && (17 == ~a26~0 || 18 == ~a26~0)) && !(1 == ~a3~0)); 88129#L68 assume !(!(1 == ~a7~0) && !(1 == ~a3~0) && (16 == ~a28~0 && 1 == ~a25~0 && 17 == ~a4~0 && ((17 == ~a26~0 || 18 == ~a26~0) && 6 == calculate_output_~input#1) && 1 == ~a1~0) && 19 == ~a14~0); 88128#L76 assume !(16 == ~a28~0 && ((18 == ~a14~0 && (!(1 == ~a7~0) && 18 == ~a26~0 && 1 == ~a3~0 && 1 == calculate_output_~input#1) && 1 == ~a1~0) && 1 == ~a25~0) && 18 == ~a4~0); 88126#L82 assume !(!(1 == ~a3~0) && 17 == ~a28~0 && 1 == ~a25~0 && ((5 == calculate_output_~input#1 && (((18 == ~a14~0 && 19 == ~a26~0 && !(1 == ~a7~0)) || (19 == ~a14~0 && 1 == ~a7~0 && 17 == ~a26~0)) || (19 == ~a14~0 && 18 == ~a26~0 && 1 == ~a7~0))) && 17 == ~a4~0) && 1 == ~a1~0); 88124#L90 assume !(1 == ~a1~0 && 17 == ~a26~0 && 18 == ~a4~0 && !(1 == ~a7~0) && ((1 == ~a25~0 && 3 == calculate_output_~input#1 && 15 == ~a28~0) && 1 == ~a3~0) && 20 == ~a14~0); 88122#L95 assume !(((((1 == ~a1~0 && (20 == ~a14~0 && 2 == calculate_output_~input#1 && 17 == ~a26~0) && !(1 == ~a7~0)) && 15 == ~a28~0) && 1 == ~a25~0) && 17 == ~a4~0) && !(1 == ~a3~0)); 88120#L102 assume !(17 == ~a28~0 && 17 == ~a4~0 && 1 == ~a25~0 && 1 == ~a3~0 && 20 == ~a14~0 && 1 == ~a1~0 && 6 == calculate_output_~input#1 && (((1 == ~a7~0 && 19 == ~a26~0) || (17 == ~a26~0 && !(1 == ~a7~0))) || (!(1 == ~a7~0) && 18 == ~a26~0))); 88118#L109 assume !(((17 == ~a4~0 && (((((!(1 == ~a7~0) && 19 == ~a26~0) && 19 == ~a14~0) || (20 == ~a14~0 && 1 == ~a7~0 && 17 == ~a26~0)) && 3 == calculate_output_~input#1) && 15 == ~a28~0) && 1 == ~a25~0) && 1 == ~a3~0) && 1 == ~a1~0); 88116#L115 assume !((16 == ~a28~0 && (!(1 == ~a7~0) && 1 == ~a1~0 && 17 == ~a4~0 && ((18 == ~a26~0 || 19 == ~a26~0) && 5 == calculate_output_~input#1) && !(1 == ~a3~0)) && 18 == ~a14~0) && 1 == ~a25~0); 88114#L122 assume !(1 == ~a25~0 && (1 == ~a1~0 && (1 == ~a7~0 && ((2 == calculate_output_~input#1 && 17 == ~a4~0) && 15 == ~a28~0) && 1 == ~a3~0) && 18 == ~a26~0) && 19 == ~a14~0); 88112#L126 assume !((18 == ~a26~0 && 1 == ~a7~0 && 16 == ~a28~0 && (((1 == ~a25~0 && 2 == calculate_output_~input#1) && 18 == ~a4~0) && 19 == ~a14~0) && 1 == ~a1~0) && !(1 == ~a3~0)); 85589#L131 assume !(18 == ~a4~0 && 1 == ~a7~0 && !(1 == ~a3~0) && 19 == ~a14~0 && (1 == ~a1~0 && 16 == ~a28~0 && 1 == calculate_output_~input#1 && 18 == ~a26~0) && 1 == ~a25~0); 85421#L138 assume !(1 == ~a25~0 && !(1 == ~a3~0) && 16 == ~a28~0 && (((3 == calculate_output_~input#1 && ((!(1 == ~a7~0) && 17 == ~a26~0) || (1 == ~a7~0 && 18 == ~a26~0) || (1 == ~a7~0 && 19 == ~a26~0))) && 20 == ~a14~0) && 1 == ~a1~0) && 17 == ~a4~0); 85418#L146 assume 17 == ~a4~0 && 1 == ~a25~0 && 20 == ~a14~0 && ((!(1 == ~a3~0) && 5 == calculate_output_~input#1 && (((1 == ~a7~0 && 18 == ~a26~0) || (19 == ~a26~0 && 1 == ~a7~0)) || (17 == ~a26~0 && !(1 == ~a7~0)))) && 1 == ~a1~0) && 16 == ~a28~0;~a26~0 := 18;~a28~0 := 15;~a7~0 := 0;calculate_output_#res#1 := 26; 85163#calculate_output_returnLabel#1 main_#t~ret13#1 := calculate_output_#res#1;havoc calculate_output_#t~ret9#1, calculate_output_~input#1;havoc calculate_output_#in~input#1;assume { :end_inline_calculate_output } true;main_~output~0#1 := main_#t~ret13#1;havoc main_#t~ret13#1;havoc main_~input~0#1; 85282#L4826-2 assume !false;havoc main_~input~0#1;havoc main_#t~nondet12#1;main_~input~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 85280#L4831 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_#t~ret9#1, calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 85278#L50 assume !((1 == ~a25~0 && 1 == ~a1~0 && 5 == calculate_output_~input#1 && (((((17 == ~a4~0 && 19 == ~a26~0) && 17 == ~a28~0) && !(1 == ~a7~0)) && 20 == ~a14~0) || ((1 == ~a7~0 && (17 == ~a26~0 && 18 == ~a4~0) && 15 == ~a28~0) && 18 == ~a14~0))) && 1 == ~a3~0); 85275#L57 assume !((1 == ~a25~0 && (16 == ~a28~0 && 17 == ~a4~0 && 1 == ~a1~0 && (((1 == ~a7~0 && 18 == ~a26~0) || (19 == ~a26~0 && 1 == ~a7~0)) || (!(1 == ~a7~0) && 17 == ~a26~0)) && 4 == calculate_output_~input#1) && !(1 == ~a3~0)) && 20 == ~a14~0); 85273#L62 assume !(17 == ~a28~0 && 1 == ~a1~0 && 1 == ~a25~0 && 1 == ~a7~0 && 17 == ~a4~0 && (18 == ~a14~0 && 4 == calculate_output_~input#1 && (17 == ~a26~0 || 18 == ~a26~0)) && !(1 == ~a3~0)); 85271#L68 assume !(!(1 == ~a7~0) && !(1 == ~a3~0) && (16 == ~a28~0 && 1 == ~a25~0 && 17 == ~a4~0 && ((17 == ~a26~0 || 18 == ~a26~0) && 6 == calculate_output_~input#1) && 1 == ~a1~0) && 19 == ~a14~0); 85269#L76 assume !(16 == ~a28~0 && ((18 == ~a14~0 && (!(1 == ~a7~0) && 18 == ~a26~0 && 1 == ~a3~0 && 1 == calculate_output_~input#1) && 1 == ~a1~0) && 1 == ~a25~0) && 18 == ~a4~0); 85267#L82 assume !(!(1 == ~a3~0) && 17 == ~a28~0 && 1 == ~a25~0 && ((5 == calculate_output_~input#1 && (((18 == ~a14~0 && 19 == ~a26~0 && !(1 == ~a7~0)) || (19 == ~a14~0 && 1 == ~a7~0 && 17 == ~a26~0)) || (19 == ~a14~0 && 18 == ~a26~0 && 1 == ~a7~0))) && 17 == ~a4~0) && 1 == ~a1~0); 85265#L90 assume !(1 == ~a1~0 && 17 == ~a26~0 && 18 == ~a4~0 && !(1 == ~a7~0) && ((1 == ~a25~0 && 3 == calculate_output_~input#1 && 15 == ~a28~0) && 1 == ~a3~0) && 20 == ~a14~0); 85263#L95 assume !(((((1 == ~a1~0 && (20 == ~a14~0 && 2 == calculate_output_~input#1 && 17 == ~a26~0) && !(1 == ~a7~0)) && 15 == ~a28~0) && 1 == ~a25~0) && 17 == ~a4~0) && !(1 == ~a3~0)); 85261#L102 assume !(17 == ~a28~0 && 17 == ~a4~0 && 1 == ~a25~0 && 1 == ~a3~0 && 20 == ~a14~0 && 1 == ~a1~0 && 6 == calculate_output_~input#1 && (((1 == ~a7~0 && 19 == ~a26~0) || (17 == ~a26~0 && !(1 == ~a7~0))) || (!(1 == ~a7~0) && 18 == ~a26~0))); 85259#L109 assume !(((17 == ~a4~0 && (((((!(1 == ~a7~0) && 19 == ~a26~0) && 19 == ~a14~0) || (20 == ~a14~0 && 1 == ~a7~0 && 17 == ~a26~0)) && 3 == calculate_output_~input#1) && 15 == ~a28~0) && 1 == ~a25~0) && 1 == ~a3~0) && 1 == ~a1~0); 85257#L115 assume !((16 == ~a28~0 && (!(1 == ~a7~0) && 1 == ~a1~0 && 17 == ~a4~0 && ((18 == ~a26~0 || 19 == ~a26~0) && 5 == calculate_output_~input#1) && !(1 == ~a3~0)) && 18 == ~a14~0) && 1 == ~a25~0); 85255#L122 assume !(1 == ~a25~0 && (1 == ~a1~0 && (1 == ~a7~0 && ((2 == calculate_output_~input#1 && 17 == ~a4~0) && 15 == ~a28~0) && 1 == ~a3~0) && 18 == ~a26~0) && 19 == ~a14~0); 85253#L126 assume !((18 == ~a26~0 && 1 == ~a7~0 && 16 == ~a28~0 && (((1 == ~a25~0 && 2 == calculate_output_~input#1) && 18 == ~a4~0) && 19 == ~a14~0) && 1 == ~a1~0) && !(1 == ~a3~0)); 85251#L131 assume !(18 == ~a4~0 && 1 == ~a7~0 && !(1 == ~a3~0) && 19 == ~a14~0 && (1 == ~a1~0 && 16 == ~a28~0 && 1 == calculate_output_~input#1 && 18 == ~a26~0) && 1 == ~a25~0); 85249#L138 assume !(1 == ~a25~0 && !(1 == ~a3~0) && 16 == ~a28~0 && (((3 == calculate_output_~input#1 && ((!(1 == ~a7~0) && 17 == ~a26~0) || (1 == ~a7~0 && 18 == ~a26~0) || (1 == ~a7~0 && 19 == ~a26~0))) && 20 == ~a14~0) && 1 == ~a1~0) && 17 == ~a4~0); 85247#L146 assume !(17 == ~a4~0 && 1 == ~a25~0 && 20 == ~a14~0 && ((!(1 == ~a3~0) && 5 == calculate_output_~input#1 && (((1 == ~a7~0 && 18 == ~a26~0) || (19 == ~a26~0 && 1 == ~a7~0)) || (17 == ~a26~0 && !(1 == ~a7~0)))) && 1 == ~a1~0) && 16 == ~a28~0); 85245#L151 assume !(((((((1 == ~a7~0 && (19 == ~a26~0 || 17 == ~a26~0 || 18 == ~a26~0) && 5 == calculate_output_~input#1) && 1 == ~a1~0) && !(1 == ~a3~0)) && 1 == ~a25~0) && 20 == ~a14~0) && 18 == ~a4~0) && 15 == ~a28~0); 85243#L157 assume !((19 == ~a26~0 && 1 == ~a7~0 && (((18 == ~a14~0 && 4 == calculate_output_~input#1 && 1 == ~a1~0) && !(1 == ~a3~0)) && 1 == ~a25~0) && 15 == ~a28~0) && 16 == ~a4~0); 85241#L161 assume !(18 == ~a26~0 && (15 == ~a28~0 && 1 == ~a7~0 && 1 == ~a25~0 && (17 == ~a4~0 && 19 == ~a14~0 && 6 == calculate_output_~input#1) && 1 == ~a3~0) && 1 == ~a1~0); 85239#L165 assume !((20 == ~a14~0 && (15 == ~a28~0 && ((17 == ~a4~0 && 5 == calculate_output_~input#1 && 1 == ~a3~0) && 19 == ~a26~0) && 1 == ~a25~0) && 1 == ~a1~0) && 1 == ~a7~0); 85237#L170 assume !((1 == ~a1~0 && (((19 == ~a14~0 && 4 == calculate_output_~input#1 && ((18 == ~a26~0 && !(1 == ~a7~0)) || (1 == ~a7~0 && 19 == ~a26~0) || (17 == ~a26~0 && !(1 == ~a7~0)))) && 16 == ~a28~0) && 16 == ~a4~0) && 1 == ~a25~0) && !(1 == ~a3~0)); 85235#L176 assume !(17 == ~a28~0 && (1 == ~a3~0 && 1 == ~a25~0 && 18 == ~a4~0 && 1 == calculate_output_~input#1 && (((19 == ~a26~0 && !(1 == ~a7~0)) && 19 == ~a14~0) || ((17 == ~a26~0 && 1 == ~a7~0) && 20 == ~a14~0))) && 1 == ~a1~0); 85233#L183 assume !((!(1 == ~a7~0) && ((!(1 == ~a3~0) && (((18 == ~a26~0 || 19 == ~a26~0) && 2 == calculate_output_~input#1) && 1 == ~a1~0) && 18 == ~a14~0) && 1 == ~a25~0) && 16 == ~a4~0) && 16 == ~a28~0); 85231#L189 assume !((1 == ~a1~0 && (20 == ~a14~0 && (17 == ~a28~0 && (((1 == ~a7~0 && 19 == ~a26~0) || (17 == ~a26~0 && !(1 == ~a7~0))) || (18 == ~a26~0 && !(1 == ~a7~0))) && 3 == calculate_output_~input#1) && 17 == ~a4~0) && 1 == ~a3~0) && 1 == ~a25~0); 85229#L195 assume !((1 == ~a25~0 && 16 == ~a28~0 && (1 == ~a1~0 && ((((18 == ~a26~0 && !(1 == ~a7~0)) && 19 == ~a14~0) || ((19 == ~a26~0 && !(1 == ~a7~0)) && 19 == ~a14~0)) || (20 == ~a14~0 && 1 == ~a7~0 && 17 == ~a26~0)) && 5 == calculate_output_~input#1) && 1 == ~a3~0) && 17 == ~a4~0); 85227#L202 assume !(1 == ~a1~0 && 16 == ~a4~0 && ((((((17 == ~a26~0 || 18 == ~a26~0) && 3 == calculate_output_~input#1) && 16 == ~a28~0) && 1 == ~a7~0) && 1 == ~a25~0) && !(1 == ~a3~0)) && 19 == ~a14~0); 85225#L208 assume !(16 == ~a4~0 && 1 == ~a25~0 && 17 == ~a28~0 && ((19 == ~a14~0 && (1 == calculate_output_~input#1 && (18 == ~a26~0 || 19 == ~a26~0)) && 1 == ~a7~0) && !(1 == ~a3~0)) && 1 == ~a1~0); 85223#L214 assume !(1 == ~a25~0 && (((1 == ~a3~0 && ((((19 == ~a26~0 && !(1 == ~a7~0)) && 19 == ~a14~0) || (20 == ~a14~0 && 1 == ~a7~0 && 17 == ~a26~0)) || ((1 == ~a7~0 && 18 == ~a26~0) && 20 == ~a14~0)) && 3 == calculate_output_~input#1) && 15 == ~a28~0) && 1 == ~a1~0) && 18 == ~a4~0); 85221#L220 assume !(16 == ~a28~0 && 1 == ~a3~0 && 19 == ~a14~0 && ((18 == ~a4~0 && !(1 == ~a7~0) && 5 == calculate_output_~input#1 && (18 == ~a26~0 || 19 == ~a26~0)) && 1 == ~a25~0) && 1 == ~a1~0); 85219#L227 assume !((!(1 == ~a3~0) && ((((((1 == ~a7~0 && 19 == ~a26~0) || (!(1 == ~a7~0) && 17 == ~a26~0)) && 2 == calculate_output_~input#1) && 17 == ~a4~0) && 1 == ~a25~0) && 15 == ~a28~0) && 19 == ~a14~0) && 1 == ~a1~0); 85217#L234 assume !(((17 == ~a28~0 && (((2 == calculate_output_~input#1 && (((18 == ~a26~0 && 1 == ~a7~0) || (19 == ~a26~0 && 1 == ~a7~0)) || (!(1 == ~a7~0) && 17 == ~a26~0))) && 18 == ~a14~0) && 1 == ~a25~0) && 18 == ~a4~0) && 1 == ~a3~0) && 1 == ~a1~0); 85215#L240 assume !((((1 == ~a3~0 && (1 == ~a25~0 && (4 == calculate_output_~input#1 && 1 == ~a7~0) && 20 == ~a14~0) && 1 == ~a1~0) && 17 == ~a4~0) && 17 == ~a28~0) && 18 == ~a26~0); 85213#L246 assume !(1 == ~a1~0 && 18 == ~a4~0 && ((!(1 == ~a7~0) && 19 == ~a14~0 && (5 == calculate_output_~input#1 && (17 == ~a26~0 || 18 == ~a26~0)) && 1 == ~a25~0) && 15 == ~a28~0) && 1 == ~a3~0); 85211#L252 assume !(1 == ~a25~0 && 18 == ~a4~0 && 1 == ~a1~0 && 16 == ~a28~0 && ((2 == calculate_output_~input#1 && ((!(1 == ~a7~0) && 18 == ~a26~0) || (1 == ~a7~0 && 19 == ~a26~0) || (17 == ~a26~0 && !(1 == ~a7~0)))) && 18 == ~a14~0) && !(1 == ~a3~0)); 85209#L259 assume !((18 == ~a4~0 && (16 == ~a28~0 && 1 == ~a3~0 && 18 == ~a14~0 && ((!(1 == ~a7~0) && 17 == ~a26~0) || (18 == ~a26~0 && 1 == ~a7~0) || (1 == ~a7~0 && 19 == ~a26~0)) && 2 == calculate_output_~input#1) && 1 == ~a1~0) && 1 == ~a25~0); 85207#L265 assume !((!(1 == ~a7~0) && 16 == ~a28~0 && 1 == ~a25~0 && 1 == ~a1~0 && !(1 == ~a3~0) && (5 == calculate_output_~input#1 && 19 == ~a14~0) && 18 == ~a26~0) && 18 == ~a4~0); 85205#L270 assume !(((((15 == ~a28~0 && (1 == ~a1~0 && 2 == calculate_output_~input#1 && (17 == ~a26~0 || 18 == ~a26~0)) && !(1 == ~a3~0)) && 1 == ~a25~0) && 19 == ~a14~0) && 1 == ~a7~0) && 16 == ~a4~0); 85203#L275 assume !((((((!(1 == ~a7~0) && 20 == ~a14~0 && (17 == ~a26~0 || 18 == ~a26~0) && 6 == calculate_output_~input#1) && 1 == ~a25~0) && 16 == ~a4~0) && 1 == ~a1~0) && !(1 == ~a3~0)) && 15 == ~a28~0); 85201#L278 assume !(19 == ~a14~0 && 19 == ~a26~0 && 15 == ~a28~0 && (16 == ~a4~0 && !(1 == ~a3~0) && (1 == ~a25~0 && 2 == calculate_output_~input#1) && !(1 == ~a7~0)) && 1 == ~a1~0); 85199#L284 assume !((((1 == ~a25~0 && 18 == ~a4~0 && ((((1 == ~a7~0 && 18 == ~a26~0) || (19 == ~a26~0 && 1 == ~a7~0)) || (17 == ~a26~0 && !(1 == ~a7~0))) && 4 == calculate_output_~input#1) && 18 == ~a14~0) && 17 == ~a28~0) && 1 == ~a3~0) && 1 == ~a1~0); 85197#L290 assume !((16 == ~a28~0 && ((19 == ~a14~0 && ((((1 == ~a7~0 && 18 == ~a26~0) || (1 == ~a7~0 && 19 == ~a26~0)) || (!(1 == ~a7~0) && 17 == ~a26~0)) && 1 == calculate_output_~input#1) && 1 == ~a3~0) && 1 == ~a25~0) && 1 == ~a1~0) && 17 == ~a4~0); 85195#L297 assume !(1 == ~a25~0 && ((((15 == ~a28~0 && (6 == calculate_output_~input#1 && 19 == ~a14~0) && 18 == ~a26~0) && !(1 == ~a7~0)) && 17 == ~a4~0) && 1 == ~a1~0) && !(1 == ~a3~0)); 85193#L304 assume !(1 == ~a3~0 && (((4 == calculate_output_~input#1 && ((18 == ~a14~0 && 1 == ~a7~0 && 17 == ~a26~0 && 16 == ~a28~0) || (20 == ~a14~0 && (18 == ~a26~0 && 15 == ~a28~0) && !(1 == ~a7~0)) || ((!(1 == ~a7~0) && 19 == ~a26~0 && 15 == ~a28~0) && 20 == ~a14~0))) && 1 == ~a1~0) && 1 == ~a25~0) && 18 == ~a4~0); 85191#L312 assume !(20 == ~a14~0 && 1 == ~a25~0 && (1 == ~a7~0 && ((16 == ~a4~0 && 5 == calculate_output_~input#1 && (17 == ~a26~0 || 18 == ~a26~0)) && 1 == ~a1~0) && !(1 == ~a3~0)) && 15 == ~a28~0); 85189#L317 assume !(!(1 == ~a3~0) && (1 == ~a25~0 && 17 == ~a28~0 && (5 == calculate_output_~input#1 && ((20 == ~a14~0 && 18 == ~a26~0 && 1 == ~a7~0) || ((!(1 == ~a7~0) && 19 == ~a26~0) && 19 == ~a14~0) || (20 == ~a14~0 && 17 == ~a26~0 && 1 == ~a7~0))) && 16 == ~a4~0) && 1 == ~a1~0); 85187#L324 assume !(18 == ~a14~0 && 16 == ~a28~0 && ((((!(1 == ~a7~0) && 6 == calculate_output_~input#1 && (18 == ~a26~0 || 19 == ~a26~0)) && 16 == ~a4~0) && !(1 == ~a3~0)) && 1 == ~a1~0) && 1 == ~a25~0); 85185#L329 assume !(18 == ~a4~0 && 17 == ~a26~0 && 1 == ~a25~0 && 1 == ~a1~0 && ((1 == ~a7~0 && 16 == ~a28~0 && 6 == calculate_output_~input#1) && 20 == ~a14~0) && 1 == ~a3~0); 85183#L333 assume !((1 == ~a25~0 && 16 == ~a28~0 && !(1 == ~a3~0) && 16 == ~a4~0 && (1 == calculate_output_~input#1 && ((1 == ~a7~0 && 19 == ~a26~0) || (17 == ~a26~0 && !(1 == ~a7~0)))) && 1 == ~a1~0) && 20 == ~a14~0); 85181#L340 assume !(1 == ~a1~0 && 1 == ~a3~0 && (20 == ~a14~0 && 16 == ~a28~0 && (3 == calculate_output_~input#1 && (((1 == ~a7~0 && 18 == ~a26~0) || (19 == ~a26~0 && 1 == ~a7~0)) || (17 == ~a26~0 && !(1 == ~a7~0)))) && 1 == ~a25~0) && 18 == ~a4~0); 85179#L347 assume !(((18 == ~a4~0 && ((6 == calculate_output_~input#1 && ((18 == ~a14~0 && !(1 == ~a7~0) && 19 == ~a26~0) || (19 == ~a14~0 && 17 == ~a26~0 && 1 == ~a7~0))) && 1 == ~a1~0) && !(1 == ~a3~0)) && 1 == ~a25~0) && 16 == ~a28~0); 85177#L355 assume !(1 == ~a7~0 && 1 == ~a25~0 && ((1 == ~a1~0 && (17 == ~a28~0 && 2 == calculate_output_~input#1 && (17 == ~a26~0 || 18 == ~a26~0)) && 18 == ~a14~0) && 18 == ~a4~0) && !(1 == ~a3~0)); 85175#L362 assume !(((((16 == ~a28~0 && 1 == ~a25~0 && 6 == calculate_output_~input#1 && ((17 == ~a26~0 && !(1 == ~a7~0)) || (18 == ~a26~0 && 1 == ~a7~0) || (1 == ~a7~0 && 19 == ~a26~0))) && 1 == ~a1~0) && 1 == ~a3~0) && 19 == ~a14~0) && 18 == ~a4~0); 85173#L369 assume !((19 == ~a14~0 && 1 == ~a25~0 && (!(1 == ~a7~0) && 16 == ~a28~0 && 17 == ~a4~0 && 3 == calculate_output_~input#1 && !(1 == ~a3~0)) && 19 == ~a26~0) && 1 == ~a1~0); 85171#L377 assume !(((1 == ~a1~0 && ((1 == ~a3~0 && 19 == ~a14~0 && 2 == calculate_output_~input#1 && 18 == ~a4~0) && 1 == ~a7~0) && 15 == ~a28~0) && 18 == ~a26~0) && 1 == ~a25~0); 85169#L382 assume !(16 == ~a4~0 && (!(1 == ~a3~0) && 19 == ~a14~0 && 1 == ~a1~0 && (((17 == ~a26~0 || 18 == ~a26~0) && 4 == calculate_output_~input#1) && 15 == ~a28~0) && !(1 == ~a7~0)) && 1 == ~a25~0); 85167#L387 assume !(((((18 == ~a14~0 && ((1 == calculate_output_~input#1 && 1 == ~a3~0) && 17 == ~a28~0) && 18 == ~a4~0) && !(1 == ~a7~0)) && 18 == ~a26~0) && 1 == ~a1~0) && 1 == ~a25~0); 85165#L393 assume !(1 == ~a7~0 && 19 == ~a26~0 && 1 == ~a1~0 && 19 == ~a14~0 && 1 == ~a25~0 && 15 == ~a28~0 && 16 == ~a4~0 && !(1 == ~a3~0) && 5 == calculate_output_~input#1); 85162#L398 assume !(!(1 == ~a7~0) && (1 == ~a1~0 && ((!(1 == ~a3~0) && 18 == ~a14~0 && 6 == calculate_output_~input#1 && (19 == ~a26~0 || 17 == ~a26~0 || 18 == ~a26~0)) && 16 == ~a4~0) && 1 == ~a25~0) && 15 == ~a28~0); 84189#L403 assume !(16 == ~a4~0 && (!(1 == ~a3~0) && 20 == ~a14~0 && ((((17 == ~a26~0 || 18 == ~a26~0) && 4 == calculate_output_~input#1) && 15 == ~a28~0) && 1 == ~a25~0) && 1 == ~a1~0) && !(1 == ~a7~0)); 84190#L411 assume !((16 == ~a4~0 && ((19 == ~a14~0 && 1 == ~a7~0 && (1 == calculate_output_~input#1 && (17 == ~a26~0 || 18 == ~a26~0)) && !(1 == ~a3~0)) && 1 == ~a25~0) && 1 == ~a1~0) && 15 == ~a28~0); 87704#L416 assume !((((19 == ~a26~0 && 18 == ~a4~0 && (!(1 == ~a7~0) && 16 == ~a28~0 && 2 == calculate_output_~input#1) && 1 == ~a1~0) && 18 == ~a14~0) && 1 == ~a25~0) && 1 == ~a3~0); 87703#L422 assume !(((1 == ~a1~0 && 17 == ~a28~0 && 20 == ~a14~0 && 1 == ~a3~0 && (((19 == ~a26~0 && 1 == ~a7~0) || (!(1 == ~a7~0) && 17 == ~a26~0)) || (18 == ~a26~0 && !(1 == ~a7~0))) && 5 == calculate_output_~input#1) && 17 == ~a4~0) && 1 == ~a25~0); 87702#L429 assume !((1 == ~a25~0 && 18 == ~a4~0 && ((1 == ~a7~0 && (6 == calculate_output_~input#1 && 1 == ~a3~0) && 1 == ~a1~0) && 19 == ~a14~0) && 17 == ~a26~0) && 16 == ~a28~0); 87699#L434 assume !(((1 == ~a1~0 && (((((18 == ~a26~0 || 19 == ~a26~0) && 4 == calculate_output_~input#1) && 1 == ~a25~0) && !(1 == ~a3~0)) && 18 == ~a14~0) && 16 == ~a28~0) && !(1 == ~a7~0)) && 16 == ~a4~0); 87698#L440 assume !(1 == ~a1~0 && (19 == ~a14~0 && ((1 == ~a7~0 && (6 == calculate_output_~input#1 && (18 == ~a26~0 || 19 == ~a26~0)) && 17 == ~a28~0) && !(1 == ~a3~0)) && 1 == ~a25~0) && 16 == ~a4~0); 87697#L446 assume !(((1 == ~a25~0 && ((1 == ~a7~0 && (2 == calculate_output_~input#1 && 20 == ~a14~0) && 17 == ~a4~0) && 15 == ~a28~0) && 18 == ~a26~0) && 1 == ~a1~0) && 1 == ~a3~0); 85316#L450 assume !(((1 == ~a1~0 && 20 == ~a14~0 && (!(1 == ~a7~0) && (15 == ~a28~0 && 5 == calculate_output_~input#1) && 17 == ~a26~0) && 1 == ~a25~0) && 1 == ~a3~0) && 17 == ~a4~0); 85317#L454 assume !(1 == ~a1~0 && 17 == ~a4~0 && 1 == ~a25~0 && 16 == ~a28~0 && !(1 == ~a7~0) && (!(1 == ~a3~0) && (18 == ~a26~0 || 19 == ~a26~0) && 5 == calculate_output_~input#1) && 20 == ~a14~0); 85346#L457 assume !((19 == ~a14~0 && 1 == ~a3~0 && 1 == ~a1~0 && (1 == ~a25~0 && ((!(1 == ~a7~0) && 17 == ~a26~0) || (18 == ~a26~0 && 1 == ~a7~0) || (19 == ~a26~0 && 1 == ~a7~0)) && 1 == calculate_output_~input#1) && 18 == ~a4~0) && 17 == ~a28~0); 85344#L464 assume !(16 == ~a28~0 && (1 == ~a1~0 && 17 == ~a4~0 && 1 == ~a3~0 && 1 == ~a25~0 && 6 == calculate_output_~input#1 && ((17 == ~a26~0 && !(1 == ~a7~0)) || (1 == ~a7~0 && 18 == ~a26~0) || (19 == ~a26~0 && 1 == ~a7~0))) && 20 == ~a14~0); 85342#L471 assume !((1 == ~a25~0 && ((1 == ~a1~0 && ((6 == calculate_output_~input#1 && (18 == ~a26~0 || 19 == ~a26~0)) && 18 == ~a4~0) && 20 == ~a14~0) && !(1 == ~a7~0)) && 15 == ~a28~0) && !(1 == ~a3~0)); 85313#L477 assume !(16 == ~a28~0 && (((16 == ~a4~0 && 1 == ~a7~0 && (6 == calculate_output_~input#1 && 18 == ~a14~0) && !(1 == ~a3~0)) && 1 == ~a25~0) && 1 == ~a1~0) && 18 == ~a26~0); 85314#L482 assume !((15 == ~a28~0 && 1 == ~a1~0 && 16 == ~a4~0 && !(1 == ~a3~0) && (((17 == ~a26~0 || 18 == ~a26~0) && 1 == calculate_output_~input#1) && 1 == ~a25~0) && 20 == ~a14~0) && 1 == ~a7~0); 85373#L488 assume !(1 == ~a1~0 && 15 == ~a28~0 && (17 == ~a4~0 && (19 == ~a26~0 && (19 == ~a14~0 && 4 == calculate_output_~input#1) && 1 == ~a25~0) && !(1 == ~a3~0)) && !(1 == ~a7~0)); 85371#L495 assume !(19 == ~a14~0 && (1 == ~a7~0 && ((((18 == ~a4~0 && 4 == calculate_output_~input#1) && 18 == ~a26~0) && 15 == ~a28~0) && 1 == ~a25~0) && 1 == ~a1~0) && 1 == ~a3~0); 85369#L500 assume !(((1 == ~a1~0 && 16 == ~a28~0 && 1 == ~a7~0 && 18 == ~a4~0 && !(1 == ~a3~0) && (17 == ~a26~0 || 18 == ~a26~0) && 6 == calculate_output_~input#1) && 1 == ~a25~0) && 18 == ~a14~0); 85303#L506 assume !((16 == ~a4~0 && (1 == ~a1~0 && 18 == ~a26~0 && (!(1 == ~a3~0) && 1 == ~a25~0 && 3 == calculate_output_~input#1) && 18 == ~a14~0) && 1 == ~a7~0) && 16 == ~a28~0); 85304#L511 assume 17 == ~a28~0 && 19 == ~a14~0 && 18 == ~a26~0 && !(1 == ~a7~0) && 1 == ~a25~0 && ((3 == calculate_output_~input#1 && 1 == ~a3~0) && 18 == ~a4~0) && 1 == ~a1~0;~a7~0 := 1;calculate_output_#res#1 := 26; 77635#calculate_output_returnLabel#1 main_#t~ret13#1 := calculate_output_#res#1;havoc calculate_output_#t~ret9#1, calculate_output_~input#1;havoc calculate_output_#in~input#1;assume { :end_inline_calculate_output } true;main_~output~0#1 := main_#t~ret13#1;havoc main_#t~ret13#1;havoc main_~input~0#1; 98971#L4826-2 assume !false;havoc main_~input~0#1;havoc main_#t~nondet12#1;main_~input~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 101654#L4831 assume !(((((1 != main_~input~0#1 && 2 != main_~input~0#1) && 3 != main_~input~0#1) && 4 != main_~input~0#1) && 5 != main_~input~0#1) && 6 != main_~input~0#1);assume { :begin_inline_calculate_output } true;calculate_output_#in~input#1 := main_~input~0#1;havoc calculate_output_#res#1;havoc calculate_output_#t~ret9#1, calculate_output_~input#1;calculate_output_~input#1 := calculate_output_#in~input#1; 97283#L50 [2023-11-21 22:09:52,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:52,238 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 2 times [2023-11-21 22:09:52,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:52,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885260650] [2023-11-21 22:09:52,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:52,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:09:52,270 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:09:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:09:52,278 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:09:52,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:09:52,281 INFO L85 PathProgramCache]: Analyzing trace with hash 2082231462, now seen corresponding path program 1 times [2023-11-21 22:09:52,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:09:52,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320413961] [2023-11-21 22:09:52,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:09:52,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:09:52,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:09:52,576 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:09:52,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:09:52,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320413961] [2023-11-21 22:09:52,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320413961] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:09:52,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:09:52,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:09:52,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32431078] [2023-11-21 22:09:52,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:09:52,579 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-21 22:09:52,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:09:52,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:09:52,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:09:52,581 INFO L87 Difference]: Start difference. First operand 29550 states and 39606 transitions. cyclomatic complexity: 10065 Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:09:58,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:09:58,676 INFO L93 Difference]: Finished difference Result 59037 states and 73151 transitions. [2023-11-21 22:09:58,677 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59037 states and 73151 transitions.