./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB --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 7669776db00f6295c4028d825bdd51b22a88fb95e78feea7b33da1a0ac83f7c3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:33:37,951 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:33:38,044 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-27 20:33:38,054 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:33:38,054 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:33:38,090 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:33:38,090 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:33:38,091 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:33:38,091 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:33:38,091 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:33:38,091 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:33:38,091 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:33:38,092 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:33:38,092 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-27 20:33:38,092 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-27 20:33:38,092 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-27 20:33:38,092 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-27 20:33:38,092 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-27 20:33:38,092 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-27 20:33:38,092 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:33:38,092 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-27 20:33:38,093 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:33:38,093 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:33:38,093 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:33:38,093 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:33:38,093 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-27 20:33:38,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-27 20:33:38,093 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-27 20:33:38,093 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:33:38,093 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:33:38,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:33:38,094 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-27 20:33:38,094 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:33:38,094 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:33:38,094 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:33:38,094 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:33:38,094 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:33:38,094 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-27 20:33:38,094 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-27 20:33:38,095 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 7669776db00f6295c4028d825bdd51b22a88fb95e78feea7b33da1a0ac83f7c3 [2024-11-27 20:33:38,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:33:38,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:33:38,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:33:38,458 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:33:38,459 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:33:38,460 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c [2024-11-27 20:33:41,419 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB/data/8df0141f5/f30889edc0494f4d8a691f2f53d28145/FLAGf08e119f5 [2024-11-27 20:33:41,698 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:33:41,699 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c [2024-11-27 20:33:41,712 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB/data/8df0141f5/f30889edc0494f4d8a691f2f53d28145/FLAGf08e119f5 [2024-11-27 20:33:41,977 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB/data/8df0141f5/f30889edc0494f4d8a691f2f53d28145 [2024-11-27 20:33:41,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:33:41,981 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:33:41,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:33:41,983 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:33:41,988 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:33:41,989 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:33:41" (1/1) ... [2024-11-27 20:33:41,990 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2802f98e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:41, skipping insertion in model container [2024-11-27 20:33:41,990 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:33:41" (1/1) ... [2024-11-27 20:33:42,026 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:33:42,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:33:42,386 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:33:42,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:33:42,523 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:33:42,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:42 WrapperNode [2024-11-27 20:33:42,525 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:33:42,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:33:42,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:33:42,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:33:42,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:42" (1/1) ... [2024-11-27 20:33:42,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:42" (1/1) ... [2024-11-27 20:33:42,605 INFO L138 Inliner]: procedures = 24, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 937 [2024-11-27 20:33:42,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:33:42,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:33:42,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:33:42,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:33:42,621 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:42" (1/1) ... [2024-11-27 20:33:42,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:42" (1/1) ... [2024-11-27 20:33:42,636 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:42" (1/1) ... [2024-11-27 20:33:42,667 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-27 20:33:42,668 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:42" (1/1) ... [2024-11-27 20:33:42,668 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:42" (1/1) ... [2024-11-27 20:33:42,690 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:42" (1/1) ... [2024-11-27 20:33:42,692 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:42" (1/1) ... [2024-11-27 20:33:42,704 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:42" (1/1) ... [2024-11-27 20:33:42,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:42" (1/1) ... [2024-11-27 20:33:42,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:42" (1/1) ... [2024-11-27 20:33:42,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:33:42,717 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:33:42,717 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:33:42,717 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:33:42,719 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:42" (1/1) ... [2024-11-27 20:33:42,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:33:42,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:33:42,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-27 20:33:42,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-27 20:33:42,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:33:42,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:33:42,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:33:42,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:33:42,996 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:33:42,999 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:33:44,435 INFO L? ?]: Removed 111 outVars from TransFormulas that were not future-live. [2024-11-27 20:33:44,436 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:33:44,464 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:33:44,466 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:33:44,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:33:44 BoogieIcfgContainer [2024-11-27 20:33:44,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:33:44,468 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-27 20:33:44,468 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-27 20:33:44,472 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-27 20:33:44,473 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:33:44,473 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.11 08:33:41" (1/3) ... [2024-11-27 20:33:44,474 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72283eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 08:33:44, skipping insertion in model container [2024-11-27 20:33:44,474 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:33:44,474 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:33:42" (2/3) ... [2024-11-27 20:33:44,474 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72283eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.11 08:33:44, skipping insertion in model container [2024-11-27 20:33:44,475 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-27 20:33:44,475 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:33:44" (3/3) ... [2024-11-27 20:33:44,476 INFO L363 chiAutomizerObserver]: Analyzing ICFG pals_floodmax.4.3.ufo.UNBOUNDED.pals.c [2024-11-27 20:33:44,546 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-27 20:33:44,546 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-27 20:33:44,546 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-27 20:33:44,546 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-27 20:33:44,546 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-27 20:33:44,547 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-27 20:33:44,548 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-27 20:33:44,548 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-27 20:33:44,556 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 288 states, 287 states have (on average 1.818815331010453) internal successors, (522), 287 states have internal predecessors, (522), 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) [2024-11-27 20:33:44,602 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2024-11-27 20:33:44,603 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:33:44,603 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:33:44,612 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [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] [2024-11-27 20:33:44,612 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:33:44,612 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-27 20:33:44,614 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 288 states, 287 states have (on average 1.818815331010453) internal successors, (522), 287 states have internal predecessors, (522), 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) [2024-11-27 20:33:44,634 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 92 [2024-11-27 20:33:44,634 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:33:44,634 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:33:44,641 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [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] [2024-11-27 20:33:44,641 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:33:44,652 INFO L747 eck$LassoCheckResult]: Stem: "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(39, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~ret44#1, main_#t~ret45#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;havoc main_#t~nondet4#1;assume 0 == main_#t~nondet4#1 || 1 == main_#t~nondet4#1;~ep12~0 := (if 0 == main_#t~nondet4#1 % 256 then 0 else 1);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;assume 0 == main_#t~nondet5#1 || 1 == main_#t~nondet5#1;~ep13~0 := (if 0 == main_#t~nondet5#1 % 256 then 0 else 1);havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;assume 0 == main_#t~nondet6#1 || 1 == main_#t~nondet6#1;~ep14~0 := (if 0 == main_#t~nondet6#1 % 256 then 0 else 1);havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;assume 0 == main_#t~nondet7#1 || 1 == main_#t~nondet7#1;~ep21~0 := (if 0 == main_#t~nondet7#1 % 256 then 0 else 1);havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;assume 0 == main_#t~nondet8#1 || 1 == main_#t~nondet8#1;~ep23~0 := (if 0 == main_#t~nondet8#1 % 256 then 0 else 1);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;assume 0 == main_#t~nondet9#1 || 1 == main_#t~nondet9#1;~ep24~0 := (if 0 == main_#t~nondet9#1 % 256 then 0 else 1);havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;assume 0 == main_#t~nondet10#1 || 1 == main_#t~nondet10#1;~ep31~0 := (if 0 == main_#t~nondet10#1 % 256 then 0 else 1);havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;assume 0 == main_#t~nondet11#1 || 1 == main_#t~nondet11#1;~ep32~0 := (if 0 == main_#t~nondet11#1 % 256 then 0 else 1);havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;assume 0 == main_#t~nondet12#1 || 1 == main_#t~nondet12#1;~ep34~0 := (if 0 == main_#t~nondet12#1 % 256 then 0 else 1);havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;assume 0 == main_#t~nondet13#1 || 1 == main_#t~nondet13#1;~ep41~0 := (if 0 == main_#t~nondet13#1 % 256 then 0 else 1);havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;assume 0 == main_#t~nondet14#1 || 1 == main_#t~nondet14#1;~ep42~0 := (if 0 == main_#t~nondet14#1 % 256 then 0 else 1);havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;assume 0 == main_#t~nondet15#1 || 1 == main_#t~nondet15#1;~ep43~0 := (if 0 == main_#t~nondet15#1 % 256 then 0 else 1);havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~r1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;~nl1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~m1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~max1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;assume 0 == main_#t~nondet22#1 || 1 == main_#t~nondet22#1;~mode1~0 := (if 0 == main_#t~nondet22#1 % 256 then 0 else 1);havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;~id2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~r2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~st2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~nl2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~m2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~max2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;assume 0 == main_#t~nondet29#1 || 1 == main_#t~nondet29#1;~mode2~0 := (if 0 == main_#t~nondet29#1 % 256 then 0 else 1);havoc main_#t~nondet29#1;havoc main_#t~nondet30#1;~id3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;havoc main_#t~nondet31#1;~r3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;havoc main_#t~nondet32#1;~st3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;havoc main_#t~nondet33#1;~nl3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;havoc main_#t~nondet34#1;~m3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;havoc main_#t~nondet35#1;~max3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;havoc main_#t~nondet36#1;assume 0 == main_#t~nondet36#1 || 1 == main_#t~nondet36#1;~mode3~0 := (if 0 == main_#t~nondet36#1 % 256 then 0 else 1);havoc main_#t~nondet36#1;havoc main_#t~nondet37#1;~id4~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;havoc main_#t~nondet38#1;~r4~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;havoc main_#t~nondet39#1;~st4~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;havoc main_#t~nondet40#1;~nl4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;havoc main_#t~nondet41#1;~m4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;havoc main_#t~nondet42#1;~max4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;havoc main_#t~nondet43#1;assume 0 == main_#t~nondet43#1 || 1 == main_#t~nondet43#1;~mode4~0 := (if 0 == main_#t~nondet43#1 % 256 then 0 else 1);havoc main_#t~nondet43#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := (if 0 == ~ep12~0 % 256 then 0 else 1);init_~r131~0#1 := (if 0 == ~ep13~0 % 256 then 0 else 1);init_~r141~0#1 := (if 0 == ~ep14~0 % 256 then 0 else 1);init_~r211~0#1 := (if 0 == ~ep21~0 % 256 then 0 else 1);init_~r231~0#1 := (if 0 == ~ep23~0 % 256 then 0 else 1);init_~r241~0#1 := (if 0 == ~ep24~0 % 256 then 0 else 1);init_~r311~0#1 := (if 0 == ~ep31~0 % 256 then 0 else 1);init_~r321~0#1 := (if 0 == ~ep32~0 % 256 then 0 else 1);init_~r341~0#1 := (if 0 == ~ep34~0 % 256 then 0 else 1);init_~r411~0#1 := (if 0 == ~ep41~0 % 256 then 0 else 1);init_~r421~0#1 := (if 0 == ~ep42~0 % 256 then 0 else 1);init_~r431~0#1 := (if 0 == ~ep43~0 % 256 then 0 else 1);" "assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1;" "init_~r122~0#1 := (if 0 == (if 0 == init_~tmp~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1;" "init_~r132~0#1 := (if 0 == (if 0 == init_~tmp___0~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1;" "init_~r142~0#1 := (if 0 == (if 0 == init_~tmp___1~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1;" "init_~r212~0#1 := (if 0 == (if 0 == init_~tmp___2~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1;" "init_~r232~0#1 := (if 0 == (if 0 == init_~tmp___3~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1;" "init_~r242~0#1 := (if 0 == (if 0 == init_~tmp___4~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1;" "init_~r312~0#1 := (if 0 == (if 0 == init_~tmp___5~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1;" "init_~r322~0#1 := (if 0 == (if 0 == init_~tmp___6~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1;" "init_~r342~0#1 := (if 0 == (if 0 == init_~tmp___7~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1;" "init_~r412~0#1 := (if 0 == (if 0 == init_~tmp___8~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1;" "init_~r422~0#1 := (if 0 == (if 0 == init_~tmp___9~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1;" "init_~r432~0#1 := (if 0 == (if 0 == init_~tmp___10~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1;" "init_~r123~0#1 := (if 0 == (if 0 == init_~tmp___11~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1;" "init_~r133~0#1 := (if 0 == (if 0 == init_~tmp___12~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1;" "init_~r143~0#1 := (if 0 == (if 0 == init_~tmp___13~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1;" "init_~r213~0#1 := (if 0 == (if 0 == init_~tmp___14~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1;" "init_~r233~0#1 := (if 0 == (if 0 == init_~tmp___15~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1;" "init_~r243~0#1 := (if 0 == (if 0 == init_~tmp___16~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1;" "init_~r313~0#1 := (if 0 == (if 0 == init_~tmp___17~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1;" "init_~r323~0#1 := (if 0 == (if 0 == init_~tmp___18~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1;" "init_~r343~0#1 := (if 0 == (if 0 == init_~tmp___19~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1;" "init_~r413~0#1 := (if 0 == (if 0 == init_~tmp___20~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1;" "init_~r423~0#1 := (if 0 == (if 0 == init_~tmp___21~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1;" "init_~r433~0#1 := (if 0 == (if 0 == init_~tmp___22~0#1 then 0 else 1) % 256 then 0 else 1);" "assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0;" "init_#res#1 := init_~tmp___23~0#1;" "main_#t~ret44#1 := init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret44#1;havoc main_#t~ret44#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1;" "assume !(0 == assume_abort_if_not_~cond#1);" "havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0#1 := 0;" [2024-11-27 20:33:44,656 INFO L749 eck$LassoCheckResult]: Loop: "assume { :begin_inline_node1 } true;" "assume !(0 != ~mode1~0 % 256);" "assume !((if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 3);" "~mode1~0 := 1;" "assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;" "assume !(0 != ~mode2~0 % 256);" "assume !((if ~r2~0 % 256 % 4294967296 <= 2147483647 then ~r2~0 % 256 % 4294967296 else ~r2~0 % 256 % 4294967296 - 4294967296) < 3);" "~mode2~0 := 1;" "assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;" "assume !(0 != ~mode3~0 % 256);" "assume !((if ~r3~0 % 256 % 4294967296 <= 2147483647 then ~r3~0 % 256 % 4294967296 else ~r3~0 % 256 % 4294967296 - 4294967296) < 3);" "~mode3~0 := 1;" "assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;" "assume !(0 != ~mode4~0 % 256);" "assume !((if ~r4~0 % 256 % 4294967296 <= 2147483647 then ~r4~0 % 256 % 4294967296 else ~r4~0 % 256 % 4294967296 - 4294967296) < 3);" "~mode4~0 := 1;" "assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1;" "assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1#1 := 0;" "check_#res#1 := check_~tmp~1#1;" "main_#t~ret45#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret45#1;havoc main_#t~ret45#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1;" "assume !(0 == assert_~arg#1 % 256);" "havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;" [2024-11-27 20:33:44,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:33:44,666 INFO L85 PathProgramCache]: Analyzing trace with hash 2041231622, now seen corresponding path program 1 times [2024-11-27 20:33:44,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:33:44,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146352080] [2024-11-27 20:33:44,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:33:44,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:33:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:33:45,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:33:45,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146352080] [2024-11-27 20:33:45,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146352080] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:33:45,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640847745] [2024-11-27 20:33:45,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:33:45,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:33:45,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:33:45,668 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:33:45,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:33:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:33:45,936 INFO L256 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:33:45,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:33:45,997 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:33:46,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640847745] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:33:46,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:33:46,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-11-27 20:33:46,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461672161] [2024-11-27 20:33:46,028 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:33:46,033 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 20:33:46,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:33:46,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1386693555, now seen corresponding path program 1 times [2024-11-27 20:33:46,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:33:46,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156176061] [2024-11-27 20:33:46,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:33:46,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:33:46,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:33:46,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:33:46,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156176061] [2024-11-27 20:33:46,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156176061] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:33:46,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018131413] [2024-11-27 20:33:46,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:33:46,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:33:46,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:33:46,253 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:33:46,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:33:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:33:46,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:33:46,373 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:33:46,405 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:33:46,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018131413] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:33:46,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:33:46,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 7 [2024-11-27 20:33:46,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386029385] [2024-11-27 20:33:46,513 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:33:46,514 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-27 20:33:46,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 20:33:46,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:33:46,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:33:46,549 INFO L87 Difference]: Start difference. First operand has 288 states, 287 states have (on average 1.818815331010453) internal successors, (522), 287 states have internal predecessors, (522), 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 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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) [2024-11-27 20:33:46,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:33:46,705 INFO L93 Difference]: Finished difference Result 286 states and 517 transitions. [2024-11-27 20:33:46,706 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 286 states and 517 transitions. [2024-11-27 20:33:46,713 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2024-11-27 20:33:46,721 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 286 states to 282 states and 504 transitions. [2024-11-27 20:33:46,722 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 282 [2024-11-27 20:33:46,724 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 282 [2024-11-27 20:33:46,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 282 states and 504 transitions. [2024-11-27 20:33:46,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 20:33:46,726 INFO L218 hiAutomatonCegarLoop]: Abstraction has 282 states and 504 transitions. [2024-11-27 20:33:46,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states and 504 transitions. [2024-11-27 20:33:46,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2024-11-27 20:33:46,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 282 states have (on average 1.7872340425531914) internal successors, (504), 281 states have internal predecessors, (504), 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) [2024-11-27 20:33:46,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 504 transitions. [2024-11-27 20:33:46,788 INFO L240 hiAutomatonCegarLoop]: Abstraction has 282 states and 504 transitions. [2024-11-27 20:33:46,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:33:46,793 INFO L425 stractBuchiCegarLoop]: Abstraction has 282 states and 504 transitions. [2024-11-27 20:33:46,793 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-27 20:33:46,793 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 282 states and 504 transitions. [2024-11-27 20:33:46,796 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2024-11-27 20:33:46,796 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:33:46,796 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:33:46,798 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [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] [2024-11-27 20:33:46,798 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [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] [2024-11-27 20:33:46,798 INFO L747 eck$LassoCheckResult]: Stem: "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(39, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~ret44#1, main_#t~ret45#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;havoc main_#t~nondet4#1;assume 0 == main_#t~nondet4#1 || 1 == main_#t~nondet4#1;~ep12~0 := (if 0 == main_#t~nondet4#1 % 256 then 0 else 1);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;assume 0 == main_#t~nondet5#1 || 1 == main_#t~nondet5#1;~ep13~0 := (if 0 == main_#t~nondet5#1 % 256 then 0 else 1);havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;assume 0 == main_#t~nondet6#1 || 1 == main_#t~nondet6#1;~ep14~0 := (if 0 == main_#t~nondet6#1 % 256 then 0 else 1);havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;assume 0 == main_#t~nondet7#1 || 1 == main_#t~nondet7#1;~ep21~0 := (if 0 == main_#t~nondet7#1 % 256 then 0 else 1);havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;assume 0 == main_#t~nondet8#1 || 1 == main_#t~nondet8#1;~ep23~0 := (if 0 == main_#t~nondet8#1 % 256 then 0 else 1);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;assume 0 == main_#t~nondet9#1 || 1 == main_#t~nondet9#1;~ep24~0 := (if 0 == main_#t~nondet9#1 % 256 then 0 else 1);havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;assume 0 == main_#t~nondet10#1 || 1 == main_#t~nondet10#1;~ep31~0 := (if 0 == main_#t~nondet10#1 % 256 then 0 else 1);havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;assume 0 == main_#t~nondet11#1 || 1 == main_#t~nondet11#1;~ep32~0 := (if 0 == main_#t~nondet11#1 % 256 then 0 else 1);havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;assume 0 == main_#t~nondet12#1 || 1 == main_#t~nondet12#1;~ep34~0 := (if 0 == main_#t~nondet12#1 % 256 then 0 else 1);havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;assume 0 == main_#t~nondet13#1 || 1 == main_#t~nondet13#1;~ep41~0 := (if 0 == main_#t~nondet13#1 % 256 then 0 else 1);havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;assume 0 == main_#t~nondet14#1 || 1 == main_#t~nondet14#1;~ep42~0 := (if 0 == main_#t~nondet14#1 % 256 then 0 else 1);havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;assume 0 == main_#t~nondet15#1 || 1 == main_#t~nondet15#1;~ep43~0 := (if 0 == main_#t~nondet15#1 % 256 then 0 else 1);havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~r1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;~nl1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~m1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~max1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;assume 0 == main_#t~nondet22#1 || 1 == main_#t~nondet22#1;~mode1~0 := (if 0 == main_#t~nondet22#1 % 256 then 0 else 1);havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;~id2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~r2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~st2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~nl2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~m2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~max2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;assume 0 == main_#t~nondet29#1 || 1 == main_#t~nondet29#1;~mode2~0 := (if 0 == main_#t~nondet29#1 % 256 then 0 else 1);havoc main_#t~nondet29#1;havoc main_#t~nondet30#1;~id3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;havoc main_#t~nondet31#1;~r3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;havoc main_#t~nondet32#1;~st3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;havoc main_#t~nondet33#1;~nl3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;havoc main_#t~nondet34#1;~m3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;havoc main_#t~nondet35#1;~max3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;havoc main_#t~nondet36#1;assume 0 == main_#t~nondet36#1 || 1 == main_#t~nondet36#1;~mode3~0 := (if 0 == main_#t~nondet36#1 % 256 then 0 else 1);havoc main_#t~nondet36#1;havoc main_#t~nondet37#1;~id4~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;havoc main_#t~nondet38#1;~r4~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;havoc main_#t~nondet39#1;~st4~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;havoc main_#t~nondet40#1;~nl4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;havoc main_#t~nondet41#1;~m4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;havoc main_#t~nondet42#1;~max4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;havoc main_#t~nondet43#1;assume 0 == main_#t~nondet43#1 || 1 == main_#t~nondet43#1;~mode4~0 := (if 0 == main_#t~nondet43#1 % 256 then 0 else 1);havoc main_#t~nondet43#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := (if 0 == ~ep12~0 % 256 then 0 else 1);init_~r131~0#1 := (if 0 == ~ep13~0 % 256 then 0 else 1);init_~r141~0#1 := (if 0 == ~ep14~0 % 256 then 0 else 1);init_~r211~0#1 := (if 0 == ~ep21~0 % 256 then 0 else 1);init_~r231~0#1 := (if 0 == ~ep23~0 % 256 then 0 else 1);init_~r241~0#1 := (if 0 == ~ep24~0 % 256 then 0 else 1);init_~r311~0#1 := (if 0 == ~ep31~0 % 256 then 0 else 1);init_~r321~0#1 := (if 0 == ~ep32~0 % 256 then 0 else 1);init_~r341~0#1 := (if 0 == ~ep34~0 % 256 then 0 else 1);init_~r411~0#1 := (if 0 == ~ep41~0 % 256 then 0 else 1);init_~r421~0#1 := (if 0 == ~ep42~0 % 256 then 0 else 1);init_~r431~0#1 := (if 0 == ~ep43~0 % 256 then 0 else 1);" "assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1;" "init_~r122~0#1 := (if 0 == (if 0 == init_~tmp~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1;" "init_~r132~0#1 := (if 0 == (if 0 == init_~tmp___0~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1;" "init_~r142~0#1 := (if 0 == (if 0 == init_~tmp___1~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1;" "init_~r212~0#1 := (if 0 == (if 0 == init_~tmp___2~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1;" "init_~r232~0#1 := (if 0 == (if 0 == init_~tmp___3~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1;" "init_~r242~0#1 := (if 0 == (if 0 == init_~tmp___4~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1;" "init_~r312~0#1 := (if 0 == (if 0 == init_~tmp___5~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1;" "init_~r322~0#1 := (if 0 == (if 0 == init_~tmp___6~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1;" "init_~r342~0#1 := (if 0 == (if 0 == init_~tmp___7~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1;" "init_~r412~0#1 := (if 0 == (if 0 == init_~tmp___8~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1;" "init_~r422~0#1 := (if 0 == (if 0 == init_~tmp___9~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1;" "init_~r432~0#1 := (if 0 == (if 0 == init_~tmp___10~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1;" "init_~r123~0#1 := (if 0 == (if 0 == init_~tmp___11~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1;" "init_~r133~0#1 := (if 0 == (if 0 == init_~tmp___12~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1;" "init_~r143~0#1 := (if 0 == (if 0 == init_~tmp___13~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1;" "init_~r213~0#1 := (if 0 == (if 0 == init_~tmp___14~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1;" "init_~r233~0#1 := (if 0 == (if 0 == init_~tmp___15~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1;" "init_~r243~0#1 := (if 0 == (if 0 == init_~tmp___16~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1;" "init_~r313~0#1 := (if 0 == (if 0 == init_~tmp___17~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1;" "init_~r323~0#1 := (if 0 == (if 0 == init_~tmp___18~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1;" "init_~r343~0#1 := (if 0 == (if 0 == init_~tmp___19~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1;" "init_~r413~0#1 := (if 0 == (if 0 == init_~tmp___20~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1;" "init_~r423~0#1 := (if 0 == (if 0 == init_~tmp___21~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1;" "init_~r433~0#1 := (if 0 == (if 0 == init_~tmp___22~0#1 then 0 else 1) % 256 then 0 else 1);" "assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0;" "init_#res#1 := init_~tmp___23~0#1;" "main_#t~ret44#1 := init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret44#1;havoc main_#t~ret44#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1;" "assume !(0 == assume_abort_if_not_~cond#1);" "havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0#1 := 0;" [2024-11-27 20:33:46,799 INFO L749 eck$LassoCheckResult]: Loop: "assume { :begin_inline_node1 } true;" "assume !(0 != ~mode1~0 % 256);" "assume !((if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 3);" "~mode1~0 := 1;" "assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;" "assume !(0 != ~mode2~0 % 256);" "assume !((if ~r2~0 % 256 % 4294967296 <= 2147483647 then ~r2~0 % 256 % 4294967296 else ~r2~0 % 256 % 4294967296 - 4294967296) < 3);" "~mode2~0 := 1;" "assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;" "assume !(0 != ~mode3~0 % 256);" "assume !((if ~r3~0 % 256 % 4294967296 <= 2147483647 then ~r3~0 % 256 % 4294967296 else ~r3~0 % 256 % 4294967296 - 4294967296) < 3);" "~mode3~0 := 1;" "assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;" "assume !(0 != ~mode4~0 % 256);" "assume !((if ~r4~0 % 256 % 4294967296 <= 2147483647 then ~r4~0 % 256 % 4294967296 else ~r4~0 % 256 % 4294967296 - 4294967296) < 3);" "~mode4~0 := 1;" "assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1;" "assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1;" "assume ~st1~0 + ~nl1~0 <= 1;" "assume ~st2~0 + ~nl2~0 <= 1;" "assume ~st3~0 + ~nl3~0 <= 1;" "assume ~st4~0 + ~nl4~0 <= 1;" "assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) >= 3;" "assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 3;" "assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) >= 3;" "assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 3;check_~tmp~1#1 := 1;" "check_#res#1 := check_~tmp~1#1;" "main_#t~ret45#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret45#1;havoc main_#t~ret45#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1;" "assume !(0 == assert_~arg#1 % 256);" "havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;" [2024-11-27 20:33:46,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:33:46,800 INFO L85 PathProgramCache]: Analyzing trace with hash 2041231622, now seen corresponding path program 2 times [2024-11-27 20:33:46,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:33:46,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417059405] [2024-11-27 20:33:46,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:33:46,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:33:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:33:47,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:33:47,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417059405] [2024-11-27 20:33:47,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417059405] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:33:47,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500647055] [2024-11-27 20:33:47,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:33:47,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:33:47,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:33:47,199 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:33:47,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:33:47,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:33:47,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:33:47,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:33:47,531 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:33:47,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [500647055] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:33:47,544 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:33:47,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-11-27 20:33:47,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908702672] [2024-11-27 20:33:47,549 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:33:47,549 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 20:33:47,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:33:47,550 INFO L85 PathProgramCache]: Analyzing trace with hash 1274057244, now seen corresponding path program 1 times [2024-11-27 20:33:47,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:33:47,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293431974] [2024-11-27 20:33:47,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:33:47,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:33:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:33:47,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:33:47,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293431974] [2024-11-27 20:33:47,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293431974] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:33:47,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328539687] [2024-11-27 20:33:47,613 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:33:47,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:33:47,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:33:47,620 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:33:47,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 20:33:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:33:47,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 20:33:47,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:33:47,802 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:33:47,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328539687] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:33:47,863 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:33:47,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-27 20:33:47,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757222797] [2024-11-27 20:33:47,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:33:47,864 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-27 20:33:47,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-27 20:33:47,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:33:47,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:33:47,865 INFO L87 Difference]: Start difference. First operand 282 states and 504 transitions. cyclomatic complexity: 223 Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 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) [2024-11-27 20:33:47,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:33:47,937 INFO L93 Difference]: Finished difference Result 357 states and 623 transitions. [2024-11-27 20:33:47,937 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 357 states and 623 transitions. [2024-11-27 20:33:47,941 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 165 [2024-11-27 20:33:47,944 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 357 states to 357 states and 623 transitions. [2024-11-27 20:33:47,945 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 357 [2024-11-27 20:33:47,945 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 357 [2024-11-27 20:33:47,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 357 states and 623 transitions. [2024-11-27 20:33:47,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-27 20:33:47,948 INFO L218 hiAutomatonCegarLoop]: Abstraction has 357 states and 623 transitions. [2024-11-27 20:33:47,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states and 623 transitions. [2024-11-27 20:33:47,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 355. [2024-11-27 20:33:47,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 355 states have (on average 1.7464788732394365) internal successors, (620), 354 states have internal predecessors, (620), 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) [2024-11-27 20:33:47,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 620 transitions. [2024-11-27 20:33:47,970 INFO L240 hiAutomatonCegarLoop]: Abstraction has 355 states and 620 transitions. [2024-11-27 20:33:47,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:33:47,971 INFO L425 stractBuchiCegarLoop]: Abstraction has 355 states and 620 transitions. [2024-11-27 20:33:47,971 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-27 20:33:47,971 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 355 states and 620 transitions. [2024-11-27 20:33:47,974 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 163 [2024-11-27 20:33:47,974 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-27 20:33:47,974 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-27 20:33:47,976 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [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] [2024-11-27 20:33:47,976 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [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] [2024-11-27 20:33:47,976 INFO L747 eck$LassoCheckResult]: Stem: "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(39, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p14~0 := 0;~p14_old~0 := 0;~p14_new~0 := 0;~ep14~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p24~0 := 0;~p24_old~0 := 0;~p24_new~0 := 0;~ep24~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~p34~0 := 0;~p34_old~0 := 0;~p34_new~0 := 0;~ep34~0 := 0;~p41~0 := 0;~p41_old~0 := 0;~p41_new~0 := 0;~ep41~0 := 0;~p42~0 := 0;~p42_old~0 := 0;~p42_new~0 := 0;~ep42~0 := 0;~p43~0 := 0;~p43_old~0 := 0;~p43_new~0 := 0;~ep43~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0;~id4~0 := 0;~r4~0 := 0;~st4~0 := 0;~nl4~0 := 0;~m4~0 := 0;~max4~0 := 0;~mode4~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~ret44#1, main_#t~ret45#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;havoc main_#t~nondet4#1;assume 0 == main_#t~nondet4#1 || 1 == main_#t~nondet4#1;~ep12~0 := (if 0 == main_#t~nondet4#1 % 256 then 0 else 1);havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;assume 0 == main_#t~nondet5#1 || 1 == main_#t~nondet5#1;~ep13~0 := (if 0 == main_#t~nondet5#1 % 256 then 0 else 1);havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;assume 0 == main_#t~nondet6#1 || 1 == main_#t~nondet6#1;~ep14~0 := (if 0 == main_#t~nondet6#1 % 256 then 0 else 1);havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;assume 0 == main_#t~nondet7#1 || 1 == main_#t~nondet7#1;~ep21~0 := (if 0 == main_#t~nondet7#1 % 256 then 0 else 1);havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;assume 0 == main_#t~nondet8#1 || 1 == main_#t~nondet8#1;~ep23~0 := (if 0 == main_#t~nondet8#1 % 256 then 0 else 1);havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;assume 0 == main_#t~nondet9#1 || 1 == main_#t~nondet9#1;~ep24~0 := (if 0 == main_#t~nondet9#1 % 256 then 0 else 1);havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;assume 0 == main_#t~nondet10#1 || 1 == main_#t~nondet10#1;~ep31~0 := (if 0 == main_#t~nondet10#1 % 256 then 0 else 1);havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;assume 0 == main_#t~nondet11#1 || 1 == main_#t~nondet11#1;~ep32~0 := (if 0 == main_#t~nondet11#1 % 256 then 0 else 1);havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;assume 0 == main_#t~nondet12#1 || 1 == main_#t~nondet12#1;~ep34~0 := (if 0 == main_#t~nondet12#1 % 256 then 0 else 1);havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;assume 0 == main_#t~nondet13#1 || 1 == main_#t~nondet13#1;~ep41~0 := (if 0 == main_#t~nondet13#1 % 256 then 0 else 1);havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;assume 0 == main_#t~nondet14#1 || 1 == main_#t~nondet14#1;~ep42~0 := (if 0 == main_#t~nondet14#1 % 256 then 0 else 1);havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;assume 0 == main_#t~nondet15#1 || 1 == main_#t~nondet15#1;~ep43~0 := (if 0 == main_#t~nondet15#1 % 256 then 0 else 1);havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;havoc main_#t~nondet17#1;~r1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;havoc main_#t~nondet18#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;havoc main_#t~nondet19#1;~nl1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;havoc main_#t~nondet20#1;~m1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;havoc main_#t~nondet21#1;~max1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;havoc main_#t~nondet22#1;assume 0 == main_#t~nondet22#1 || 1 == main_#t~nondet22#1;~mode1~0 := (if 0 == main_#t~nondet22#1 % 256 then 0 else 1);havoc main_#t~nondet22#1;havoc main_#t~nondet23#1;~id2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;havoc main_#t~nondet24#1;~r2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;havoc main_#t~nondet25#1;~st2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;havoc main_#t~nondet26#1;~nl2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;havoc main_#t~nondet27#1;~m2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;havoc main_#t~nondet28#1;~max2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;havoc main_#t~nondet29#1;assume 0 == main_#t~nondet29#1 || 1 == main_#t~nondet29#1;~mode2~0 := (if 0 == main_#t~nondet29#1 % 256 then 0 else 1);havoc main_#t~nondet29#1;havoc main_#t~nondet30#1;~id3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;havoc main_#t~nondet31#1;~r3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;havoc main_#t~nondet32#1;~st3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;havoc main_#t~nondet33#1;~nl3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;havoc main_#t~nondet34#1;~m3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;havoc main_#t~nondet35#1;~max3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;havoc main_#t~nondet36#1;assume 0 == main_#t~nondet36#1 || 1 == main_#t~nondet36#1;~mode3~0 := (if 0 == main_#t~nondet36#1 % 256 then 0 else 1);havoc main_#t~nondet36#1;havoc main_#t~nondet37#1;~id4~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;havoc main_#t~nondet38#1;~r4~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;havoc main_#t~nondet39#1;~st4~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;havoc main_#t~nondet40#1;~nl4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;havoc main_#t~nondet41#1;~m4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;havoc main_#t~nondet42#1;~max4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;havoc main_#t~nondet43#1;assume 0 == main_#t~nondet43#1 || 1 == main_#t~nondet43#1;~mode4~0 := (if 0 == main_#t~nondet43#1 % 256 then 0 else 1);havoc main_#t~nondet43#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := (if 0 == ~ep12~0 % 256 then 0 else 1);init_~r131~0#1 := (if 0 == ~ep13~0 % 256 then 0 else 1);init_~r141~0#1 := (if 0 == ~ep14~0 % 256 then 0 else 1);init_~r211~0#1 := (if 0 == ~ep21~0 % 256 then 0 else 1);init_~r231~0#1 := (if 0 == ~ep23~0 % 256 then 0 else 1);init_~r241~0#1 := (if 0 == ~ep24~0 % 256 then 0 else 1);init_~r311~0#1 := (if 0 == ~ep31~0 % 256 then 0 else 1);init_~r321~0#1 := (if 0 == ~ep32~0 % 256 then 0 else 1);init_~r341~0#1 := (if 0 == ~ep34~0 % 256 then 0 else 1);init_~r411~0#1 := (if 0 == ~ep41~0 % 256 then 0 else 1);init_~r421~0#1 := (if 0 == ~ep42~0 % 256 then 0 else 1);init_~r431~0#1 := (if 0 == ~ep43~0 % 256 then 0 else 1);" "assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1;" "init_~r122~0#1 := (if 0 == (if 0 == init_~tmp~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1;" "init_~r132~0#1 := (if 0 == (if 0 == init_~tmp___0~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1;" "init_~r142~0#1 := (if 0 == (if 0 == init_~tmp___1~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1;" "init_~r212~0#1 := (if 0 == (if 0 == init_~tmp___2~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1;" "init_~r232~0#1 := (if 0 == (if 0 == init_~tmp___3~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1;" "init_~r242~0#1 := (if 0 == (if 0 == init_~tmp___4~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1;" "init_~r312~0#1 := (if 0 == (if 0 == init_~tmp___5~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1;" "init_~r322~0#1 := (if 0 == (if 0 == init_~tmp___6~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1;" "init_~r342~0#1 := (if 0 == (if 0 == init_~tmp___7~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1;" "init_~r412~0#1 := (if 0 == (if 0 == init_~tmp___8~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1;" "init_~r422~0#1 := (if 0 == (if 0 == init_~tmp___9~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1;" "init_~r432~0#1 := (if 0 == (if 0 == init_~tmp___10~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1;" "init_~r123~0#1 := (if 0 == (if 0 == init_~tmp___11~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1;" "init_~r133~0#1 := (if 0 == (if 0 == init_~tmp___12~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1;" "init_~r143~0#1 := (if 0 == (if 0 == init_~tmp___13~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1;" "init_~r213~0#1 := (if 0 == (if 0 == init_~tmp___14~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1;" "init_~r233~0#1 := (if 0 == (if 0 == init_~tmp___15~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1;" "init_~r243~0#1 := (if 0 == (if 0 == init_~tmp___16~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1;" "init_~r313~0#1 := (if 0 == (if 0 == init_~tmp___17~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1;" "init_~r323~0#1 := (if 0 == (if 0 == init_~tmp___18~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1;" "init_~r343~0#1 := (if 0 == (if 0 == init_~tmp___19~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1;" "init_~r413~0#1 := (if 0 == (if 0 == init_~tmp___20~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1;" "init_~r423~0#1 := (if 0 == (if 0 == init_~tmp___21~0#1 then 0 else 1) % 256 then 0 else 1);" "assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1;" "init_~r433~0#1 := (if 0 == (if 0 == init_~tmp___22~0#1 then 0 else 1) % 256 then 0 else 1);" "assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0;" "init_#res#1 := init_~tmp___23~0#1;" "main_#t~ret44#1 := init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret44#1;havoc main_#t~ret44#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1;" "assume !(0 == assume_abort_if_not_~cond#1);" "havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0#1 := 0;" [2024-11-27 20:33:47,977 INFO L749 eck$LassoCheckResult]: Loop: "assume { :begin_inline_node1 } true;" "assume !(0 != ~mode1~0 % 256);" "assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 3;" "assume 0 != ~ep12~0 % 256;~p12_new~0 := (if (if ~max1~0 != ~nomsg~0 && ~p12_new~0 == ~nomsg~0 then ~max1~0 else ~p12_new~0) % 256 <= 127 then (if ~max1~0 != ~nomsg~0 && ~p12_new~0 == ~nomsg~0 then ~max1~0 else ~p12_new~0) % 256 else (if ~max1~0 != ~nomsg~0 && ~p12_new~0 == ~nomsg~0 then ~max1~0 else ~p12_new~0) % 256 - 256);" "assume 0 != ~ep13~0 % 256;~p13_new~0 := (if (if ~max1~0 != ~nomsg~0 && ~p13_new~0 == ~nomsg~0 then ~max1~0 else ~p13_new~0) % 256 <= 127 then (if ~max1~0 != ~nomsg~0 && ~p13_new~0 == ~nomsg~0 then ~max1~0 else ~p13_new~0) % 256 else (if ~max1~0 != ~nomsg~0 && ~p13_new~0 == ~nomsg~0 then ~max1~0 else ~p13_new~0) % 256 - 256);" "assume 0 != ~ep14~0 % 256;~p14_new~0 := (if (if ~max1~0 != ~nomsg~0 && ~p14_new~0 == ~nomsg~0 then ~max1~0 else ~p14_new~0) % 256 <= 127 then (if ~max1~0 != ~nomsg~0 && ~p14_new~0 == ~nomsg~0 then ~max1~0 else ~p14_new~0) % 256 else (if ~max1~0 != ~nomsg~0 && ~p14_new~0 == ~nomsg~0 then ~max1~0 else ~p14_new~0) % 256 - 256);" "~mode1~0 := 1;" "assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;" "assume !(0 != ~mode2~0 % 256);" "assume !((if ~r2~0 % 256 % 4294967296 <= 2147483647 then ~r2~0 % 256 % 4294967296 else ~r2~0 % 256 % 4294967296 - 4294967296) < 3);" "~mode2~0 := 1;" "assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;" "assume !(0 != ~mode3~0 % 256);" "assume !((if ~r3~0 % 256 % 4294967296 <= 2147483647 then ~r3~0 % 256 % 4294967296 else ~r3~0 % 256 % 4294967296 - 4294967296) < 3);" "~mode3~0 := 1;" "assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;" "assume !(0 != ~mode4~0 % 256);" "assume !((if ~r4~0 % 256 % 4294967296 <= 2147483647 then ~r4~0 % 256 % 4294967296 else ~r4~0 % 256 % 4294967296 - 4294967296) < 3);" "~mode4~0 := 1;" "assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1;" "assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1;" "assume ~st1~0 + ~nl1~0 <= 1;" "assume ~st2~0 + ~nl2~0 <= 1;" "assume ~st3~0 + ~nl3~0 <= 1;" "assume ~st4~0 + ~nl4~0 <= 1;" "assume !((if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) >= 3);" "assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0;" "assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 3;" "assume !((if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) >= 3);" "assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0;" "assume (if ~r1~0 % 256 % 4294967296 <= 2147483647 then ~r1~0 % 256 % 4294967296 else ~r1~0 % 256 % 4294967296 - 4294967296) < 3;check_~tmp~1#1 := 1;" "check_#res#1 := check_~tmp~1#1;" "main_#t~ret45#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret45#1;havoc main_#t~ret45#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1;" "assume !(0 == assert_~arg#1 % 256);" "havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;" [2024-11-27 20:33:47,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:33:47,978 INFO L85 PathProgramCache]: Analyzing trace with hash 2041231622, now seen corresponding path program 3 times [2024-11-27 20:33:47,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:33:47,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377293352] [2024-11-27 20:33:47,978 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:33:47,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:33:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:33:48,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-27 20:33:48,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377293352] [2024-11-27 20:33:48,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377293352] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:33:48,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600775645] [2024-11-27 20:33:48,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:33:48,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:33:48,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:33:48,302 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:33:48,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77bf9e0d-37ce-4fc3-8df7-01721f85298a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 20:33:48,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:33:48,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-27 20:33:48,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:33:48,572 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:33:48,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600775645] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:33:48,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:33:48,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2024-11-27 20:33:48,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463206094] [2024-11-27 20:33:48,590 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:33:48,593 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-27 20:33:48,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:33:48,594 INFO L85 PathProgramCache]: Analyzing trace with hash 287650700, now seen corresponding path program 1 times [2024-11-27 20:33:48,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-27 20:33:48,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205960952] [2024-11-27 20:33:48,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:33:48,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:33:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:33:48,648 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-27 20:33:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-27 20:33:48,722 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-27 20:33:53,492 INFO L204 LassoAnalysis]: Preferences: [2024-11-27 20:33:53,493 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-27 20:33:53,493 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-27 20:33:53,493 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-27 20:33:53,493 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-27 20:33:53,493 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-27 20:33:53,494 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-27 20:33:53,494 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-27 20:33:53,494 INFO L132 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.4.3.ufo.UNBOUNDED.pals.c_Iteration3_Loop [2024-11-27 20:33:53,494 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-27 20:33:53,494 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-27 20:33:53,526 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:33:53,535 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:33:53,540 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:33:53,544 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:33:53,547 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:33:53,551 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:33:53,565 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:33:53,569 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:33:53,575 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:33:53,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:33:53,581 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:33:53,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:33:53,595 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:33:53,597 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:33:53,604 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:33:53,607 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:33:54,550 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:33:54,554 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-27 20:33:56,066 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2024-11-27 20:34:07,674 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 248710 conjunctions. This might take some time...