./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3.ufo.BOUNDED-6.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b017e131-0047-4555-9fa3-64153bb1af7c/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b017e131-0047-4555-9fa3-64153bb1af7c/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b017e131-0047-4555-9fa3-64153bb1af7c/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b017e131-0047-4555-9fa3-64153bb1af7c/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3.ufo.BOUNDED-6.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b017e131-0047-4555-9fa3-64153bb1af7c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b017e131-0047-4555-9fa3-64153bb1af7c/bin/uautomizer-verify-VRDe98Ueme --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 25ff40e1cab2a460fc960bb835e8a5bb98b4f09095caa25e5ce8f52bf887c901 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:49:34,026 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:49:34,106 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b017e131-0047-4555-9fa3-64153bb1af7c/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 11:49:34,110 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:49:34,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:49:34,139 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:49:34,140 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:49:34,140 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:49:34,141 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:49:34,142 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:49:34,143 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:49:34,143 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:49:34,144 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:49:34,144 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:49:34,145 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:49:34,145 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:49:34,146 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:49:34,146 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:49:34,147 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:49:34,147 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:49:34,148 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:49:34,148 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:49:34,149 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:49:34,149 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:49:34,150 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:49:34,150 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:49:34,150 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:49:34,151 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:49:34,151 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:49:34,152 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:49:34,152 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:49:34,152 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:49:34,153 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:49:34,153 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:49:34,153 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:49:34,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:49:34,154 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:49:34,154 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:49:34,155 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b017e131-0047-4555-9fa3-64153bb1af7c/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b017e131-0047-4555-9fa3-64153bb1af7c/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 25ff40e1cab2a460fc960bb835e8a5bb98b4f09095caa25e5ce8f52bf887c901 [2023-11-26 11:49:34,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:49:34,414 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:49:34,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:49:34,419 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:49:34,420 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:49:34,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b017e131-0047-4555-9fa3-64153bb1af7c/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3.ufo.BOUNDED-6.pals.c [2023-11-26 11:49:37,748 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:49:38,010 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:49:38,011 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b017e131-0047-4555-9fa3-64153bb1af7c/sv-benchmarks/c/seq-mthreaded/pals_lcr.3.ufo.BOUNDED-6.pals.c [2023-11-26 11:49:38,021 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b017e131-0047-4555-9fa3-64153bb1af7c/bin/uautomizer-verify-VRDe98Ueme/data/8f325e0bd/56c9d8d50b7140739cf6ab8653011d70/FLAGe3badf396 [2023-11-26 11:49:38,036 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b017e131-0047-4555-9fa3-64153bb1af7c/bin/uautomizer-verify-VRDe98Ueme/data/8f325e0bd/56c9d8d50b7140739cf6ab8653011d70 [2023-11-26 11:49:38,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:49:38,040 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:49:38,042 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:49:38,042 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:49:38,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:49:38,048 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:49:38" (1/1) ... [2023-11-26 11:49:38,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@585fe4ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:38, skipping insertion in model container [2023-11-26 11:49:38,050 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:49:38" (1/1) ... [2023-11-26 11:49:38,100 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:49:38,328 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:49:38,342 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:49:38,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:49:38,398 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:49:38,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:38 WrapperNode [2023-11-26 11:49:38,399 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:49:38,400 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:49:38,400 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:49:38,400 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:49:38,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:38" (1/1) ... [2023-11-26 11:49:38,416 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:38" (1/1) ... [2023-11-26 11:49:38,461 INFO L138 Inliner]: procedures = 21, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 208 [2023-11-26 11:49:38,465 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:49:38,468 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:49:38,468 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:49:38,469 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:49:38,481 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:38" (1/1) ... [2023-11-26 11:49:38,481 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:38" (1/1) ... [2023-11-26 11:49:38,484 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:38" (1/1) ... [2023-11-26 11:49:38,498 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]. [2023-11-26 11:49:38,498 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:38" (1/1) ... [2023-11-26 11:49:38,498 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:38" (1/1) ... [2023-11-26 11:49:38,504 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:38" (1/1) ... [2023-11-26 11:49:38,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:38" (1/1) ... [2023-11-26 11:49:38,511 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:38" (1/1) ... [2023-11-26 11:49:38,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:38" (1/1) ... [2023-11-26 11:49:38,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:49:38,517 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:49:38,518 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:49:38,518 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:49:38,533 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:38" (1/1) ... [2023-11-26 11:49:38,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:38,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b017e131-0047-4555-9fa3-64153bb1af7c/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:38,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b017e131-0047-4555-9fa3-64153bb1af7c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:38,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b017e131-0047-4555-9fa3-64153bb1af7c/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:49:38,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:49:38,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:49:38,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:49:38,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:49:38,681 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:49:38,683 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:49:39,141 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:49:39,153 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:49:39,153 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:49:39,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:49:39 BoogieIcfgContainer [2023-11-26 11:49:39,156 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:49:39,157 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:49:39,157 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:49:39,161 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:49:39,162 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:49:39,163 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:49:38" (1/3) ... [2023-11-26 11:49:39,164 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@702d75e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:49:39, skipping insertion in model container [2023-11-26 11:49:39,164 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:49:39,164 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:38" (2/3) ... [2023-11-26 11:49:39,165 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@702d75e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:49:39, skipping insertion in model container [2023-11-26 11:49:39,165 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:49:39,165 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:49:39" (3/3) ... [2023-11-26 11:49:39,167 INFO L332 chiAutomizerObserver]: Analyzing ICFG pals_lcr.3.ufo.BOUNDED-6.pals.c [2023-11-26 11:49:39,227 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:49:39,228 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:49:39,228 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:49:39,229 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:49:39,229 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:49:39,229 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:49:39,230 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:49:39,230 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:49:39,236 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 56 states, 55 states have (on average 1.6727272727272726) internal successors, (92), 55 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:49:39,263 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 30 [2023-11-26 11:49:39,264 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:49:39,264 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:49:39,272 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:39,272 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:39,272 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 11:49:39,273 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 56 states, 55 states have (on average 1.6727272727272726) internal successors, (92), 55 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:49:39,278 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 30 [2023-11-26 11:49:39,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:49:39,279 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:49:39,280 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:39,280 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:39,289 INFO L748 eck$LassoCheckResult]: Stem: 24#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0; 33#L-1true 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~ret17#1, main_#t~ret18#1, main_#t~post19#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;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;~id2~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~st2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~send2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;~id3~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;~st3~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~send3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;~mode3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 39#L129true assume !(0 == ~r1~0);init_~tmp~0#1 := 0; 35#L129-1true init_#res#1 := init_~tmp~0#1; 17#init_returnLabel#1true main_#t~ret17#1 := init_#res#1;havoc init_~tmp~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 54#L246true assume !(0 == main_~i2~0#1); 9#L246-2true ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 22#L254-2true [2023-11-26 11:49:39,290 INFO L750 eck$LassoCheckResult]: Loop: 22#L254-2true assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true;havoc node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 3#L54true assume !(0 != ~mode1~0 % 256);~p1_new~0 := (if (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 <= 127 then (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 else (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 - 256);~mode1~0 := 1; 7#L54-2true havoc node1_~m1~0#1;assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 5#L80true assume !(0 != ~mode2~0 % 256);~p2_new~0 := (if (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 <= 127 then (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 else (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 - 256);~mode2~0 := 1; 15#L80-2true havoc node2_~m2~0#1;assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 13#L105true assume !(0 != ~mode3~0 % 256);~p3_new~0 := (if (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 <= 127 then (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 else (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 - 256);~mode3~0 := 1; 34#L105-2true havoc node3_~m3~0#1;assume { :end_inline_node3 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 14#L202true assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);check_~tmp~1#1 := 0; 27#L202-1true check_#res#1 := check_~tmp~1#1; 12#check_returnLabel#1true main_#t~ret18#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret18#1;havoc main_#t~ret18#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; 56#L278true assume !(0 == assert_~arg#1 % 256); 50#L273true havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post19#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post19#1;havoc main_#t~post19#1; 22#L254-2true [2023-11-26 11:49:39,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:39,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1892699938, now seen corresponding path program 1 times [2023-11-26 11:49:39,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:39,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269615021] [2023-11-26 11:49:39,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:39,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:39,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:49:39,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:39,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269615021] [2023-11-26 11:49:39,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269615021] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:39,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:39,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:49:39,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615272952] [2023-11-26 11:49:39,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:39,579 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:49:39,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:39,583 INFO L85 PathProgramCache]: Analyzing trace with hash 317704966, now seen corresponding path program 1 times [2023-11-26 11:49:39,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:39,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441765811] [2023-11-26 11:49:39,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:39,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:39,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:40,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:49:40,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:40,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441765811] [2023-11-26 11:49:40,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441765811] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:40,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:40,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:49:40,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342215467] [2023-11-26 11:49:40,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:40,033 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 11:49:40,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:40,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:49:40,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:49:40,083 INFO L87 Difference]: Start difference. First operand has 56 states, 55 states have (on average 1.6727272727272726) internal successors, (92), 55 states have internal predecessors, (92), 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 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:49:40,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:40,189 INFO L93 Difference]: Finished difference Result 87 states and 136 transitions. [2023-11-26 11:49:40,191 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 87 states and 136 transitions. [2023-11-26 11:49:40,196 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 28 [2023-11-26 11:49:40,201 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 87 states to 78 states and 112 transitions. [2023-11-26 11:49:40,202 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 78 [2023-11-26 11:49:40,203 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 78 [2023-11-26 11:49:40,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 78 states and 112 transitions. [2023-11-26 11:49:40,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:49:40,205 INFO L218 hiAutomatonCegarLoop]: Abstraction has 78 states and 112 transitions. [2023-11-26 11:49:40,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states and 112 transitions. [2023-11-26 11:49:40,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 50. [2023-11-26 11:49:40,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.34) internal successors, (67), 49 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:49:40,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 67 transitions. [2023-11-26 11:49:40,238 INFO L240 hiAutomatonCegarLoop]: Abstraction has 50 states and 67 transitions. [2023-11-26 11:49:40,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 11:49:40,251 INFO L428 stractBuchiCegarLoop]: Abstraction has 50 states and 67 transitions. [2023-11-26 11:49:40,251 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 11:49:40,251 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 67 transitions. [2023-11-26 11:49:40,253 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 28 [2023-11-26 11:49:40,254 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:49:40,254 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:49:40,255 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] [2023-11-26 11:49:40,255 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:40,256 INFO L748 eck$LassoCheckResult]: Stem: 193#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0; 194#L-1 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~ret17#1, main_#t~ret18#1, main_#t~post19#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;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;~id2~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~st2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~send2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;~id3~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;~st3~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~send3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;~mode3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 200#L129 assume 0 == ~r1~0; 206#L130 assume ~id1~0 >= 0; 204#L131 assume 0 == ~st1~0; 205#L132 assume ~send1~0 == ~id1~0; 201#L133 assume 0 == (if ~mode1~0 % 256 % 4294967296 <= 2147483647 then ~mode1~0 % 256 % 4294967296 else ~mode1~0 % 256 % 4294967296 - 4294967296); 202#L134 assume ~id2~0 >= 0; 199#L135 assume 0 == ~st2~0; 177#L136 assume ~send2~0 == ~id2~0; 178#L137 assume 0 == (if ~mode2~0 % 256 % 4294967296 <= 2147483647 then ~mode2~0 % 256 % 4294967296 else ~mode2~0 % 256 % 4294967296 - 4294967296); 210#L138 assume ~id3~0 >= 0; 191#L139 assume 0 == ~st3~0; 192#L140 assume ~send3~0 == ~id3~0; 207#L141 assume 0 == (if ~mode3~0 % 256 % 4294967296 <= 2147483647 then ~mode3~0 % 256 % 4294967296 else ~mode3~0 % 256 % 4294967296 - 4294967296); 196#L142 assume ~id1~0 != ~id2~0; 195#L143 assume ~id1~0 != ~id3~0; 164#L144 assume ~id2~0 != ~id3~0;init_~tmp~0#1 := 1; 165#L129-1 init_#res#1 := init_~tmp~0#1; 186#init_returnLabel#1 main_#t~ret17#1 := init_#res#1;havoc init_~tmp~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 187#L246 assume !(0 == main_~i2~0#1); 173#L246-2 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 174#L254-2 [2023-11-26 11:49:40,256 INFO L750 eck$LassoCheckResult]: Loop: 174#L254-2 assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true;havoc node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 161#L54 assume !(0 != ~mode1~0 % 256);~p1_new~0 := (if (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 <= 127 then (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 else (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 - 256);~mode1~0 := 1; 163#L54-2 havoc node1_~m1~0#1;assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 166#L80 assume !(0 != ~mode2~0 % 256);~p2_new~0 := (if (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 <= 127 then (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 else (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 - 256);~mode2~0 := 1; 168#L80-2 havoc node2_~m2~0#1;assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 181#L105 assume !(0 != ~mode3~0 % 256);~p3_new~0 := (if (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 <= 127 then (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 else (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 - 256);~mode3~0 := 1; 176#L105-2 havoc node3_~m3~0#1;assume { :end_inline_node3 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 183#L202 assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);check_~tmp~1#1 := 0; 171#L202-1 check_#res#1 := check_~tmp~1#1; 179#check_returnLabel#1 main_#t~ret18#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret18#1;havoc main_#t~ret18#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; 180#L278 assume !(0 == assert_~arg#1 % 256); 209#L273 havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post19#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post19#1;havoc main_#t~post19#1; 174#L254-2 [2023-11-26 11:49:40,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:40,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1473464705, now seen corresponding path program 1 times [2023-11-26 11:49:40,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:40,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859924774] [2023-11-26 11:49:40,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:40,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:40,292 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:49:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:40,365 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:49:40,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:40,367 INFO L85 PathProgramCache]: Analyzing trace with hash 317704966, now seen corresponding path program 2 times [2023-11-26 11:49:40,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:40,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791151086] [2023-11-26 11:49:40,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:40,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:40,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:49:40,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:40,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791151086] [2023-11-26 11:49:40,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791151086] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:40,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:40,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:49:40,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593853327] [2023-11-26 11:49:40,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:40,722 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 11:49:40,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:40,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:49:40,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:49:40,724 INFO L87 Difference]: Start difference. First operand 50 states and 67 transitions. cyclomatic complexity: 18 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:49:40,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:40,789 INFO L93 Difference]: Finished difference Result 53 states and 69 transitions. [2023-11-26 11:49:40,789 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 69 transitions. [2023-11-26 11:49:40,799 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 28 [2023-11-26 11:49:40,801 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 50 states and 64 transitions. [2023-11-26 11:49:40,802 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 50 [2023-11-26 11:49:40,802 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 50 [2023-11-26 11:49:40,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 64 transitions. [2023-11-26 11:49:40,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:49:40,804 INFO L218 hiAutomatonCegarLoop]: Abstraction has 50 states and 64 transitions. [2023-11-26 11:49:40,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 64 transitions. [2023-11-26 11:49:40,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-26 11:49:40,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.28) internal successors, (64), 49 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:49:40,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2023-11-26 11:49:40,819 INFO L240 hiAutomatonCegarLoop]: Abstraction has 50 states and 64 transitions. [2023-11-26 11:49:40,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:49:40,822 INFO L428 stractBuchiCegarLoop]: Abstraction has 50 states and 64 transitions. [2023-11-26 11:49:40,823 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 11:49:40,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 64 transitions. [2023-11-26 11:49:40,826 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 28 [2023-11-26 11:49:40,829 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:49:40,829 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:49:40,831 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] [2023-11-26 11:49:40,833 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:40,834 INFO L748 eck$LassoCheckResult]: Stem: 308#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0; 309#L-1 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~ret17#1, main_#t~ret18#1, main_#t~post19#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;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;~id2~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~st2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~send2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;~id3~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;~st3~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~send3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;~mode3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 315#L129 assume 0 == ~r1~0; 321#L130 assume ~id1~0 >= 0; 319#L131 assume 0 == ~st1~0; 320#L132 assume ~send1~0 == ~id1~0; 316#L133 assume 0 == (if ~mode1~0 % 256 % 4294967296 <= 2147483647 then ~mode1~0 % 256 % 4294967296 else ~mode1~0 % 256 % 4294967296 - 4294967296); 317#L134 assume ~id2~0 >= 0; 314#L135 assume 0 == ~st2~0; 292#L136 assume ~send2~0 == ~id2~0; 293#L137 assume 0 == (if ~mode2~0 % 256 % 4294967296 <= 2147483647 then ~mode2~0 % 256 % 4294967296 else ~mode2~0 % 256 % 4294967296 - 4294967296); 325#L138 assume ~id3~0 >= 0; 306#L139 assume 0 == ~st3~0; 307#L140 assume ~send3~0 == ~id3~0; 322#L141 assume 0 == (if ~mode3~0 % 256 % 4294967296 <= 2147483647 then ~mode3~0 % 256 % 4294967296 else ~mode3~0 % 256 % 4294967296 - 4294967296); 311#L142 assume ~id1~0 != ~id2~0; 310#L143 assume ~id1~0 != ~id3~0; 279#L144 assume ~id2~0 != ~id3~0;init_~tmp~0#1 := 1; 280#L129-1 init_#res#1 := init_~tmp~0#1; 301#init_returnLabel#1 main_#t~ret17#1 := init_#res#1;havoc init_~tmp~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 302#L246 assume !(0 == main_~i2~0#1); 288#L246-2 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 289#L254-2 [2023-11-26 11:49:40,834 INFO L750 eck$LassoCheckResult]: Loop: 289#L254-2 assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true;havoc node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 276#L54 assume !(0 != ~mode1~0 % 256);~p1_new~0 := (if (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 <= 127 then (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 else (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 - 256);~mode1~0 := 1; 278#L54-2 havoc node1_~m1~0#1;assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 281#L80 assume !(0 != ~mode2~0 % 256);~p2_new~0 := (if (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 <= 127 then (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 else (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 - 256);~mode2~0 := 1; 283#L80-2 havoc node2_~m2~0#1;assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 296#L105 assume !(0 != ~mode3~0 % 256);~p3_new~0 := (if (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 <= 127 then (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 else (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 - 256);~mode3~0 := 1; 291#L105-2 havoc node3_~m3~0#1;assume { :end_inline_node3 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 298#L202 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 299#L203 assume ~r1~0 >= 3; 285#$Ultimate##101 assume ~r1~0 < 3;check_~tmp~1#1 := 1; 286#L202-1 check_#res#1 := check_~tmp~1#1; 294#check_returnLabel#1 main_#t~ret18#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret18#1;havoc main_#t~ret18#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; 295#L278 assume !(0 == assert_~arg#1 % 256); 324#L273 havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post19#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post19#1;havoc main_#t~post19#1; 289#L254-2 [2023-11-26 11:49:40,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:40,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1473464705, now seen corresponding path program 2 times [2023-11-26 11:49:40,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:40,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214648130] [2023-11-26 11:49:40,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:40,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:40,848 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:49:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:40,869 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:49:40,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:40,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1044091434, now seen corresponding path program 1 times [2023-11-26 11:49:40,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:40,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430798093] [2023-11-26 11:49:40,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:40,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:40,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:49:40,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:40,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430798093] [2023-11-26 11:49:40,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430798093] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:40,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:40,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:49:40,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488893262] [2023-11-26 11:49:40,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:40,916 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 11:49:40,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:40,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:49:40,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:49:40,918 INFO L87 Difference]: Start difference. First operand 50 states and 64 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:49:40,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:40,945 INFO L93 Difference]: Finished difference Result 72 states and 95 transitions. [2023-11-26 11:49:40,945 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 95 transitions. [2023-11-26 11:49:40,946 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 50 [2023-11-26 11:49:40,947 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 72 states and 95 transitions. [2023-11-26 11:49:40,948 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 72 [2023-11-26 11:49:40,948 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 72 [2023-11-26 11:49:40,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 95 transitions. [2023-11-26 11:49:40,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:49:40,949 INFO L218 hiAutomatonCegarLoop]: Abstraction has 72 states and 95 transitions. [2023-11-26 11:49:40,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 95 transitions. [2023-11-26 11:49:40,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-26 11:49:40,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 72 states have (on average 1.3194444444444444) internal successors, (95), 71 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:49:40,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 95 transitions. [2023-11-26 11:49:40,954 INFO L240 hiAutomatonCegarLoop]: Abstraction has 72 states and 95 transitions. [2023-11-26 11:49:40,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:49:40,956 INFO L428 stractBuchiCegarLoop]: Abstraction has 72 states and 95 transitions. [2023-11-26 11:49:40,956 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-26 11:49:40,956 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states and 95 transitions. [2023-11-26 11:49:40,957 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 50 [2023-11-26 11:49:40,957 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:49:40,958 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:49:40,959 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] [2023-11-26 11:49:40,959 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:40,959 INFO L748 eck$LassoCheckResult]: Stem: 436#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(32, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~r1~0 := 0;~p1~0 := 0;~p1_old~0 := 0;~p1_new~0 := 0;~id1~0 := 0;~st1~0 := 0;~send1~0 := 0;~mode1~0 := 0;~p2~0 := 0;~p2_old~0 := 0;~p2_new~0 := 0;~id2~0 := 0;~st2~0 := 0;~send2~0 := 0;~mode2~0 := 0;~p3~0 := 0;~p3_old~0 := 0;~p3_new~0 := 0;~id3~0 := 0;~st3~0 := 0;~send3~0 := 0;~mode3~0 := 0; 437#L-1 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~ret17#1, main_#t~ret18#1, main_#t~post19#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;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;havoc main_#t~nondet5#1;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;havoc main_#t~nondet7#1;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_#t~nondet8#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;~id2~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;havoc main_#t~nondet10#1;~st2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;~send2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;havoc main_#t~nondet13#1;~id3~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;havoc main_#t~nondet14#1;~st3~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;havoc main_#t~nondet15#1;~send3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;havoc main_#t~nondet16#1;~mode3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 446#L129 assume 0 == ~r1~0; 452#L130 assume ~id1~0 >= 0; 450#L131 assume 0 == ~st1~0; 451#L132 assume ~send1~0 == ~id1~0; 447#L133 assume 0 == (if ~mode1~0 % 256 % 4294967296 <= 2147483647 then ~mode1~0 % 256 % 4294967296 else ~mode1~0 % 256 % 4294967296 - 4294967296); 448#L134 assume ~id2~0 >= 0; 445#L135 assume 0 == ~st2~0; 420#L136 assume ~send2~0 == ~id2~0; 421#L137 assume 0 == (if ~mode2~0 % 256 % 4294967296 <= 2147483647 then ~mode2~0 % 256 % 4294967296 else ~mode2~0 % 256 % 4294967296 - 4294967296); 456#L138 assume ~id3~0 >= 0; 434#L139 assume 0 == ~st3~0; 435#L140 assume ~send3~0 == ~id3~0; 453#L141 assume 0 == (if ~mode3~0 % 256 % 4294967296 <= 2147483647 then ~mode3~0 % 256 % 4294967296 else ~mode3~0 % 256 % 4294967296 - 4294967296); 439#L142 assume ~id1~0 != ~id2~0; 438#L143 assume ~id1~0 != ~id3~0; 407#L144 assume ~id2~0 != ~id3~0;init_~tmp~0#1 := 1; 408#L129-1 init_#res#1 := init_~tmp~0#1; 429#init_returnLabel#1 main_#t~ret17#1 := init_#res#1;havoc init_~tmp~0#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1; 430#L246 assume !(0 == main_~i2~0#1); 416#L246-2 ~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 417#L254-2 [2023-11-26 11:49:40,959 INFO L750 eck$LassoCheckResult]: Loop: 417#L254-2 assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true;havoc node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 471#L54 assume !(0 != ~mode1~0 % 256);~p1_new~0 := (if (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 <= 127 then (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 else (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 - 256);~mode1~0 := 1; 413#L54-2 havoc node1_~m1~0#1;assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 467#L80 assume !(0 != ~mode2~0 % 256);~p2_new~0 := (if (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 <= 127 then (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 else (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 - 256);~mode2~0 := 1; 465#L80-2 havoc node2_~m2~0#1;assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 460#L105 assume !(0 != ~mode3~0 % 256);~p3_new~0 := (if (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 <= 127 then (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 else (if ~send3~0 != ~nomsg~0 && ~p3_new~0 == ~nomsg~0 then ~send3~0 else ~p3_new~0) % 256 - 256);~mode3~0 := 1; 459#L105-2 havoc node3_~m3~0#1;assume { :end_inline_node3 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 458#L202 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 457#L203 assume !(~r1~0 >= 3); 440#L206 assume 0 == ~st1~0 + ~st2~0 + ~st3~0; 441#$Ultimate##101 assume ~r1~0 < 3;check_~tmp~1#1 := 1; 475#L202-1 check_#res#1 := check_~tmp~1#1; 474#check_returnLabel#1 main_#t~ret18#1 := check_#res#1;havoc check_~tmp~1#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret18#1;havoc main_#t~ret18#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; 473#L278 assume !(0 == assert_~arg#1 % 256); 472#L273 havoc assert_~arg#1;havoc assert_#in~arg#1;assume { :end_inline_assert } true;main_#t~post19#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post19#1;havoc main_#t~post19#1; 417#L254-2 [2023-11-26 11:49:40,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:40,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1473464705, now seen corresponding path program 3 times [2023-11-26 11:49:40,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:40,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151862651] [2023-11-26 11:49:40,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:40,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:40,972 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:49:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:40,985 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:49:40,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:40,986 INFO L85 PathProgramCache]: Analyzing trace with hash -655493494, now seen corresponding path program 1 times [2023-11-26 11:49:40,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:40,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846718537] [2023-11-26 11:49:40,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:40,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:41,021 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:49:41,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:41,065 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:49:41,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:41,069 INFO L85 PathProgramCache]: Analyzing trace with hash 214545484, now seen corresponding path program 1 times [2023-11-26 11:49:41,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:41,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138391539] [2023-11-26 11:49:41,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:41,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:41,116 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:49:41,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:41,148 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:49:43,123 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:49:43,124 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:49:43,124 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:49:43,124 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:49:43,124 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-26 11:49:43,124 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:49:43,124 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:49:43,125 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:49:43,125 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr.3.ufo.BOUNDED-6.pals.c_Iteration4_Loop [2023-11-26 11:49:43,125 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:49:43,125 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:49:43,166 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:43,185 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:43,191 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:43,195 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:43,198 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:43,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:43,209 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:43,211 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:43,214 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:43,216 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:43,219 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:43,221 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:43,227 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:43,234 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:43,236 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:43,239 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:44,391 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:49:45,477 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 16