./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447cda27-f2ed-4675-bf61-46c58e4deb46/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447cda27-f2ed-4675-bf61-46c58e4deb46/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447cda27-f2ed-4675-bf61-46c58e4deb46/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447cda27-f2ed-4675-bf61-46c58e4deb46/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447cda27-f2ed-4675-bf61-46c58e4deb46/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447cda27-f2ed-4675-bf61-46c58e4deb46/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 92cde93213bbdc81547d3bc892d5e318fc734fba39005e38f7e15156190bb05f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:43:10,857 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:43:10,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:43:10,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:43:10,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:43:10,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:43:10,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:43:10,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:43:10,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:43:10,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:43:10,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:43:10,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:43:10,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:43:10,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:43:10,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:43:10,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:43:10,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:43:10,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:43:10,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:43:10,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:43:10,942 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:43:10,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:43:10,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:43:10,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:43:10,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:43:10,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:43:10,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:43:10,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:43:10,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:43:10,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:43:10,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:43:10,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:43:10,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:43:10,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:43:10,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:43:10,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:43:10,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:43:10,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:43:10,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:43:10,971 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:43:10,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:43:10,976 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447cda27-f2ed-4675-bf61-46c58e4deb46/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 11:43:11,023 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:43:11,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:43:11,024 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:43:11,024 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:43:11,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:43:11,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:43:11,027 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:43:11,027 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:43:11,027 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:43:11,027 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:43:11,029 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:43:11,029 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:43:11,029 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:43:11,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:43:11,030 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:43:11,030 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:43:11,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:43:11,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:43:11,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:43:11,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:43:11,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:43:11,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:43:11,031 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:43:11,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:43:11,032 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:43:11,032 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:43:11,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:43:11,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:43:11,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:43:11,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:43:11,035 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:43:11,036 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:43:11,037 INFO L138 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_447cda27-f2ed-4675-bf61-46c58e4deb46/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447cda27-f2ed-4675-bf61-46c58e4deb46/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 92cde93213bbdc81547d3bc892d5e318fc734fba39005e38f7e15156190bb05f [2022-11-16 11:43:11,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:43:11,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:43:11,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:43:11,352 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:43:11,353 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:43:11,354 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447cda27-f2ed-4675-bf61-46c58e4deb46/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c [2022-11-16 11:43:11,434 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447cda27-f2ed-4675-bf61-46c58e4deb46/bin/uautomizer-tPACEb0tL8/data/4aca91f88/33fefd3ae641400a925878f30cf0680d/FLAG47e741efa [2022-11-16 11:43:12,069 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:43:12,074 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447cda27-f2ed-4675-bf61-46c58e4deb46/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c [2022-11-16 11:43:12,090 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447cda27-f2ed-4675-bf61-46c58e4deb46/bin/uautomizer-tPACEb0tL8/data/4aca91f88/33fefd3ae641400a925878f30cf0680d/FLAG47e741efa [2022-11-16 11:43:12,363 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447cda27-f2ed-4675-bf61-46c58e4deb46/bin/uautomizer-tPACEb0tL8/data/4aca91f88/33fefd3ae641400a925878f30cf0680d [2022-11-16 11:43:12,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:43:12,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:43:12,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:43:12,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:43:12,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:43:12,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:43:12" (1/1) ... [2022-11-16 11:43:12,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@841668b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:12, skipping insertion in model container [2022-11-16 11:43:12,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:43:12" (1/1) ... [2022-11-16 11:43:12,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:43:12,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:43:12,816 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447cda27-f2ed-4675-bf61-46c58e4deb46/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c[28194,28207] [2022-11-16 11:43:12,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:43:12,829 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:43:12,922 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447cda27-f2ed-4675-bf61-46c58e4deb46/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.3.ufo.BOUNDED-8.pals.c[28194,28207] [2022-11-16 11:43:12,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:43:12,939 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:43:12,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:12 WrapperNode [2022-11-16 11:43:12,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:43:12,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:43:12,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:43:12,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:43:12,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:12" (1/1) ... [2022-11-16 11:43:12,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:12" (1/1) ... [2022-11-16 11:43:13,013 INFO L138 Inliner]: procedures = 23, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 877 [2022-11-16 11:43:13,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:43:13,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:43:13,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:43:13,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:43:13,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:12" (1/1) ... [2022-11-16 11:43:13,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:12" (1/1) ... [2022-11-16 11:43:13,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:12" (1/1) ... [2022-11-16 11:43:13,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:12" (1/1) ... [2022-11-16 11:43:13,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:12" (1/1) ... [2022-11-16 11:43:13,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:12" (1/1) ... [2022-11-16 11:43:13,083 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:12" (1/1) ... [2022-11-16 11:43:13,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:12" (1/1) ... [2022-11-16 11:43:13,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:43:13,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:43:13,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:43:13,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:43:13,119 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:12" (1/1) ... [2022-11-16 11:43:13,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:43:13,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447cda27-f2ed-4675-bf61-46c58e4deb46/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:43:13,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447cda27-f2ed-4675-bf61-46c58e4deb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:43:13,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_447cda27-f2ed-4675-bf61-46c58e4deb46/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 11:43:13,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:43:13,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:43:13,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:43:13,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:43:13,469 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:43:13,471 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:43:14,810 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:43:14,836 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:43:14,838 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:43:14,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:43:14 BoogieIcfgContainer [2022-11-16 11:43:14,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:43:14,845 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 11:43:14,845 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 11:43:14,851 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 11:43:14,852 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:43:14,852 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 11:43:12" (1/3) ... [2022-11-16 11:43:14,853 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ef6002a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:43:14, skipping insertion in model container [2022-11-16 11:43:14,853 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:43:14,854 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:12" (2/3) ... [2022-11-16 11:43:14,854 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ef6002a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:43:14, skipping insertion in model container [2022-11-16 11:43:14,854 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:43:14,855 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:43:14" (3/3) ... [2022-11-16 11:43:14,856 INFO L332 chiAutomizerObserver]: Analyzing ICFG pals_floodmax.4.3.ufo.BOUNDED-8.pals.c [2022-11-16 11:43:14,950 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 11:43:14,950 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 11:43:14,950 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 11:43:14,951 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 11:43:14,951 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 11:43:14,951 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 11:43:14,951 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 11:43:14,951 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 11:43:14,961 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 279 states, 278 states have (on average 1.830935251798561) internal successors, (509), 278 states have internal predecessors, (509), 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) [2022-11-16 11:43:15,027 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 83 [2022-11-16 11:43:15,027 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:43:15,027 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:43:15,039 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] [2022-11-16 11:43:15,039 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] [2022-11-16 11:43:15,039 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 11:43:15,041 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 279 states, 278 states have (on average 1.830935251798561) internal successors, (509), 278 states have internal predecessors, (509), 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) [2022-11-16 11:43:15,053 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 83 [2022-11-16 11:43:15,060 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:43:15,060 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:43:15,064 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] [2022-11-16 11:43:15,066 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] [2022-11-16 11:43:15,087 INFO L748 eck$LassoCheckResult]: Stem: 270#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3);~p41_old~0 := 0;~r2~0 := 0;~r3~0 := 0;~ep24~0 := 0;~r4~0 := 0;~ep23~0 := 0;~ep21~0 := 0;~p24_new~0 := 0;~p24_old~0 := 0;~p31_new~0 := 0;~p12~0 := 0;~p14~0 := 0;~p13~0 := 0;~p14_new~0 := 0;~p23_new~0 := 0;~p31_old~0 := 0;~p32_old~0 := 0;~p14_old~0 := 0;~p41_new~0 := 0;~p23_old~0 := 0;~p32_new~0 := 0;~p13_new~0 := 0;~ep14~0 := 0;~p43_new~0 := 0;~ep13~0 := 0;~ep12~0 := 0;~p43_old~0 := 0;~p13_old~0 := 0;~p42_new~0 := 0;~p21~0 := 0;~p23~0 := 0;~nl1~0 := 0;~p24~0 := 0;~nl3~0 := 0;~p42_old~0 := 0;~nl2~0 := 0;~p12_new~0 := 0;~nl4~0 := 0;~p12_old~0 := 0;~mode4~0 := 0;~mode3~0 := 0;~ep43~0 := 0;~ep42~0 := 0;~ep41~0 := 0;~p32~0 := 0;~p31~0 := 0;~p34~0 := 0;~mode2~0 := 0;~mode1~0 := 0;~nomsg~0 := -1;~ep34~0 := 0;~max4~0 := 0;~m1~0 := 0;~ep32~0 := 0;~m2~0 := 0;~ep31~0 := 0;~m3~0 := 0;~m4~0 := 0;~p41~0 := 0;~p43~0 := 0;~p42~0 := 0;~st2~0 := 0;~st1~0 := 0;~st4~0 := 0;~p34_old~0 := 0;~st3~0 := 0;~id2~0 := 0;~id1~0 := 0;~p34_new~0 := 0;~id4~0 := 0;~id3~0 := 0;~p21_new~0 := 0;~p21_old~0 := 0;~max3~0 := 0;~max2~0 := 0;~max1~0 := 0;~r1~0 := 0; 190#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~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_#t~post46#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~ep14~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~ep21~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~ep23~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~ep24~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~ep31~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~ep32~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~ep34~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~ep41~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~ep42~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~ep43~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~r1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~nl1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~m1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~max1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode1~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~r2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~st2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~nl2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~m2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~max2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~mode2~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~id3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~r3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~nl3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~m3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~max3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~mode3~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~id4~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~r4~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~st4~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~nl4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~m4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~max4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~mode4~0 := main_#t~nondet43#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 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 162#L393true assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 121#L404true init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 273#L414true assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 257#L425true init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 242#L435true assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 255#L446true init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 111#L456true assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 137#L467true init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 179#L477true assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 60#L488true init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 78#L498true assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 42#L509true init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 228#L519true assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 39#L530true init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 173#L540true assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 180#L551true init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 62#L561true assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 107#L572true init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 276#L582true assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 67#L593true init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 269#L603true assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 189#L614true init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 192#L624true assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 20#L635true init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 145#L645true assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 94#L656true init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 156#L666true assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 6#L677true init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 50#L687true assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 243#L698true init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 10#L708true assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 216#L719true init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 187#L729true assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 196#L740true init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 253#L750true assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 89#L761true init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 246#L771true assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 128#L782true init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 155#L792true assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 18#L803true init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 40#L813true assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 247#L824true init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 120#L834true assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 123#L845true init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 11#L855true assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 153#L866true init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 88#L876true assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 131#L887true init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 151#L897true assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 112#L897-1true init_#res#1 := init_~tmp___23~0#1; 280#L1066true main_#t~ret44#1 := init_#res#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; 99#L21true assume !(0 == assume_abort_if_not_~cond#1); 159#L20true 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; 92#L1203-2true [2022-11-16 11:43:15,092 INFO L750 eck$LassoCheckResult]: Loop: 92#L1203-2true assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true; 114#L109true assume !(0 != ~mode1~0 % 256); 41#L141true assume !(~r1~0 < 3); 263#L141-1true ~mode1~0 := 1; 134#L109-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 183#L162true assume !(0 != ~mode2~0 % 256); 244#L194true assume !(~r2~0 < 3); 4#L194-1true ~mode2~0 := 1; 53#L162-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 142#L215true assume !(0 != ~mode3~0 % 256); 109#L247true assume !(~r3~0 < 3); 264#L247-1true ~mode3~0 := 1; 271#L215-2true assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true; 168#L268true assume !(0 != ~mode4~0 % 256); 214#L300true assume !(~r4~0 < 3); 43#L300-1true ~mode4~0 := 1; 250#L268-2true 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; 186#L1074true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1#1 := 0; 181#L1074-1true check_#res#1 := check_~tmp~1#1; 234#L1126true main_#t~ret45#1 := check_#res#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; 38#L1246true assume !(0 == assert_~arg#1 % 256); 31#L1241true assume { :end_inline_assert } true;main_#t~post46#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post46#1;havoc main_#t~post46#1; 92#L1203-2true [2022-11-16 11:43:15,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:15,109 INFO L85 PathProgramCache]: Analyzing trace with hash 2041231622, now seen corresponding path program 1 times [2022-11-16 11:43:15,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:15,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593100156] [2022-11-16 11:43:15,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:15,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:15,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:43:15,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:43:15,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593100156] [2022-11-16 11:43:15,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593100156] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:43:15,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:43:15,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:43:15,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653370584] [2022-11-16 11:43:15,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:43:15,761 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 11:43:15,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:15,765 INFO L85 PathProgramCache]: Analyzing trace with hash -85183375, now seen corresponding path program 1 times [2022-11-16 11:43:15,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:15,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786075589] [2022-11-16 11:43:15,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:15,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:15,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:16,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:43:16,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:43:16,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786075589] [2022-11-16 11:43:16,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786075589] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:43:16,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:43:16,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:43:16,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987124093] [2022-11-16 11:43:16,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:43:16,082 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 11:43:16,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:43:16,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:43:16,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:43:16,133 INFO L87 Difference]: Start difference. First operand has 279 states, 278 states have (on average 1.830935251798561) internal successors, (509), 278 states have internal predecessors, (509), 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 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2022-11-16 11:43:16,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:43:16,289 INFO L93 Difference]: Finished difference Result 283 states and 509 transitions. [2022-11-16 11:43:16,291 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 283 states and 509 transitions. [2022-11-16 11:43:16,297 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 82 [2022-11-16 11:43:16,303 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 283 states to 274 states and 492 transitions. [2022-11-16 11:43:16,305 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 274 [2022-11-16 11:43:16,307 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 274 [2022-11-16 11:43:16,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 274 states and 492 transitions. [2022-11-16 11:43:16,310 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:43:16,310 INFO L218 hiAutomatonCegarLoop]: Abstraction has 274 states and 492 transitions. [2022-11-16 11:43:16,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states and 492 transitions. [2022-11-16 11:43:16,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 274. [2022-11-16 11:43:16,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 274 states have (on average 1.7956204379562044) internal successors, (492), 273 states have internal predecessors, (492), 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) [2022-11-16 11:43:16,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 492 transitions. [2022-11-16 11:43:16,358 INFO L240 hiAutomatonCegarLoop]: Abstraction has 274 states and 492 transitions. [2022-11-16 11:43:16,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:43:16,363 INFO L428 stractBuchiCegarLoop]: Abstraction has 274 states and 492 transitions. [2022-11-16 11:43:16,363 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 11:43:16,364 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 274 states and 492 transitions. [2022-11-16 11:43:16,367 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 82 [2022-11-16 11:43:16,367 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:43:16,367 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:43:16,369 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] [2022-11-16 11:43:16,370 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] [2022-11-16 11:43:16,370 INFO L748 eck$LassoCheckResult]: Stem: 853#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3);~p41_old~0 := 0;~r2~0 := 0;~r3~0 := 0;~ep24~0 := 0;~r4~0 := 0;~ep23~0 := 0;~ep21~0 := 0;~p24_new~0 := 0;~p24_old~0 := 0;~p31_new~0 := 0;~p12~0 := 0;~p14~0 := 0;~p13~0 := 0;~p14_new~0 := 0;~p23_new~0 := 0;~p31_old~0 := 0;~p32_old~0 := 0;~p14_old~0 := 0;~p41_new~0 := 0;~p23_old~0 := 0;~p32_new~0 := 0;~p13_new~0 := 0;~ep14~0 := 0;~p43_new~0 := 0;~ep13~0 := 0;~ep12~0 := 0;~p43_old~0 := 0;~p13_old~0 := 0;~p42_new~0 := 0;~p21~0 := 0;~p23~0 := 0;~nl1~0 := 0;~p24~0 := 0;~nl3~0 := 0;~p42_old~0 := 0;~nl2~0 := 0;~p12_new~0 := 0;~nl4~0 := 0;~p12_old~0 := 0;~mode4~0 := 0;~mode3~0 := 0;~ep43~0 := 0;~ep42~0 := 0;~ep41~0 := 0;~p32~0 := 0;~p31~0 := 0;~p34~0 := 0;~mode2~0 := 0;~mode1~0 := 0;~nomsg~0 := -1;~ep34~0 := 0;~max4~0 := 0;~m1~0 := 0;~ep32~0 := 0;~m2~0 := 0;~ep31~0 := 0;~m3~0 := 0;~m4~0 := 0;~p41~0 := 0;~p43~0 := 0;~p42~0 := 0;~st2~0 := 0;~st1~0 := 0;~st4~0 := 0;~p34_old~0 := 0;~st3~0 := 0;~id2~0 := 0;~id1~0 := 0;~p34_new~0 := 0;~id4~0 := 0;~id3~0 := 0;~p21_new~0 := 0;~p21_old~0 := 0;~max3~0 := 0;~max2~0 := 0;~max1~0 := 0;~r1~0 := 0; 826#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~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_#t~post46#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~ep14~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~ep21~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~ep23~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~ep24~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~ep31~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~ep32~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~ep34~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~ep41~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~ep42~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~ep43~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~r1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~nl1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~m1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~max1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode1~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~r2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~st2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~nl2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~m2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~max2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~mode2~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~id3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~r3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~nl3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~m3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~max3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~mode3~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~id4~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~r4~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~st4~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~nl4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~m4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~max4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~mode4~0 := main_#t~nondet43#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 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 810#L393 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 718#L404 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 779#L414 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 613#L425 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 850#L435 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 657#L446 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 765#L456 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 690#L467 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 793#L477 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 697#L488 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 698#L498 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 639#L509 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 672#L519 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 662#L530 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 664#L540 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 764#L551 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 700#L561 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 681#L572 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 760#L582 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 619#L593 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 708#L603 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 645#L614 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 825#L624 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 626#L635 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 627#L645 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 648#L656 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 745#L666 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 591#L677 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 592#L687 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 653#L698 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 601#L708 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 602#L719 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 823#L729 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 582#L740 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 829#L750 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 739#L761 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 740#L771 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 710#L782 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 785#L792 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 597#L803 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 622#L813 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 665#L824 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 778#L834 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 642#L845 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 604#L855 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 605#L866 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 738#L876 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 621#L887 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 787#L897 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 584#L897-1 init_#res#1 := init_~tmp___23~0#1; 766#L1066 main_#t~ret44#1 := init_#res#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; 752#L21 assume !(0 == assume_abort_if_not_~cond#1); 753#L20 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; 651#L1203-2 [2022-11-16 11:43:16,371 INFO L750 eck$LassoCheckResult]: Loop: 651#L1203-2 assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true; 743#L109 assume !(0 != ~mode1~0 % 256); 667#L141 assume !(~r1~0 < 3); 669#L141-1 ~mode1~0 := 1; 789#L109-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 790#L162 assume !(0 != ~mode2~0 % 256); 821#L194 assume !(~r2~0 < 3); 586#L194-1 ~mode2~0 := 1; 587#L162-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 689#L215 assume !(0 != ~mode3~0 % 256); 762#L247 assume !(~r3~0 < 3); 633#L247-1 ~mode3~0 := 1; 818#L215-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true; 812#L268 assume !(0 != ~mode4~0 % 256); 813#L300 assume !(~r4~0 < 3); 670#L300-1 ~mode4~0 := 1; 671#L268-2 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; 822#L1074 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 769#L1075 assume ~st1~0 + ~nl1~0 <= 1; 770#L1076 assume ~st2~0 + ~nl2~0 <= 1; 792#L1077 assume ~st3~0 + ~nl3~0 <= 1; 679#L1078 assume ~st4~0 + ~nl4~0 <= 1; 598#L1079 assume ~r1~0 >= 3; 599#L1083 assume ~r1~0 < 3; 799#L1088 assume ~r1~0 >= 3; 816#L1093 assume ~r1~0 < 3;check_~tmp~1#1 := 1; 804#L1074-1 check_#res#1 := check_~tmp~1#1; 819#L1126 main_#t~ret45#1 := check_#res#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; 663#L1246 assume !(0 == assert_~arg#1 % 256); 650#L1241 assume { :end_inline_assert } true;main_#t~post46#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post46#1;havoc main_#t~post46#1; 651#L1203-2 [2022-11-16 11:43:16,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:16,372 INFO L85 PathProgramCache]: Analyzing trace with hash 2041231622, now seen corresponding path program 2 times [2022-11-16 11:43:16,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:16,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099074891] [2022-11-16 11:43:16,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:16,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:16,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:43:16,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:43:16,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099074891] [2022-11-16 11:43:16,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099074891] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:43:16,534 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:43:16,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:43:16,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836986683] [2022-11-16 11:43:16,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:43:16,538 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 11:43:16,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:16,539 INFO L85 PathProgramCache]: Analyzing trace with hash -31942592, now seen corresponding path program 1 times [2022-11-16 11:43:16,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:16,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075061328] [2022-11-16 11:43:16,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:16,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:16,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:43:16,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:43:16,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075061328] [2022-11-16 11:43:16,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075061328] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:43:16,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:43:16,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:43:16,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420790126] [2022-11-16 11:43:16,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:43:16,621 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 11:43:16,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:43:16,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:43:16,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:43:16,622 INFO L87 Difference]: Start difference. First operand 274 states and 492 transitions. cyclomatic complexity: 219 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) [2022-11-16 11:43:16,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:43:16,681 INFO L93 Difference]: Finished difference Result 341 states and 599 transitions. [2022-11-16 11:43:16,681 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 341 states and 599 transitions. [2022-11-16 11:43:16,685 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 149 [2022-11-16 11:43:16,688 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 341 states to 341 states and 599 transitions. [2022-11-16 11:43:16,689 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 341 [2022-11-16 11:43:16,691 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 341 [2022-11-16 11:43:16,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 341 states and 599 transitions. [2022-11-16 11:43:16,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:43:16,699 INFO L218 hiAutomatonCegarLoop]: Abstraction has 341 states and 599 transitions. [2022-11-16 11:43:16,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states and 599 transitions. [2022-11-16 11:43:16,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2022-11-16 11:43:16,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 341 states have (on average 1.7565982404692082) internal successors, (599), 340 states have internal predecessors, (599), 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) [2022-11-16 11:43:16,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 599 transitions. [2022-11-16 11:43:16,727 INFO L240 hiAutomatonCegarLoop]: Abstraction has 341 states and 599 transitions. [2022-11-16 11:43:16,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:43:16,732 INFO L428 stractBuchiCegarLoop]: Abstraction has 341 states and 599 transitions. [2022-11-16 11:43:16,733 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 11:43:16,733 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 341 states and 599 transitions. [2022-11-16 11:43:16,735 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 149 [2022-11-16 11:43:16,736 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:43:16,736 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:43:16,744 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] [2022-11-16 11:43:16,746 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] [2022-11-16 11:43:16,747 INFO L748 eck$LassoCheckResult]: Stem: 1482#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3);~p41_old~0 := 0;~r2~0 := 0;~r3~0 := 0;~ep24~0 := 0;~r4~0 := 0;~ep23~0 := 0;~ep21~0 := 0;~p24_new~0 := 0;~p24_old~0 := 0;~p31_new~0 := 0;~p12~0 := 0;~p14~0 := 0;~p13~0 := 0;~p14_new~0 := 0;~p23_new~0 := 0;~p31_old~0 := 0;~p32_old~0 := 0;~p14_old~0 := 0;~p41_new~0 := 0;~p23_old~0 := 0;~p32_new~0 := 0;~p13_new~0 := 0;~ep14~0 := 0;~p43_new~0 := 0;~ep13~0 := 0;~ep12~0 := 0;~p43_old~0 := 0;~p13_old~0 := 0;~p42_new~0 := 0;~p21~0 := 0;~p23~0 := 0;~nl1~0 := 0;~p24~0 := 0;~nl3~0 := 0;~p42_old~0 := 0;~nl2~0 := 0;~p12_new~0 := 0;~nl4~0 := 0;~p12_old~0 := 0;~mode4~0 := 0;~mode3~0 := 0;~ep43~0 := 0;~ep42~0 := 0;~ep41~0 := 0;~p32~0 := 0;~p31~0 := 0;~p34~0 := 0;~mode2~0 := 0;~mode1~0 := 0;~nomsg~0 := -1;~ep34~0 := 0;~max4~0 := 0;~m1~0 := 0;~ep32~0 := 0;~m2~0 := 0;~ep31~0 := 0;~m3~0 := 0;~m4~0 := 0;~p41~0 := 0;~p43~0 := 0;~p42~0 := 0;~st2~0 := 0;~st1~0 := 0;~st4~0 := 0;~p34_old~0 := 0;~st3~0 := 0;~id2~0 := 0;~id1~0 := 0;~p34_new~0 := 0;~id4~0 := 0;~id3~0 := 0;~p21_new~0 := 0;~p21_old~0 := 0;~max3~0 := 0;~max2~0 := 0;~max1~0 := 0;~r1~0 := 0; 1453#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~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_#t~post46#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~ep14~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~ep21~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~ep23~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~ep24~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~ep31~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~ep32~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~ep34~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~ep41~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~ep42~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~ep43~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~r1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~nl1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~m1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~max1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode1~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~id2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~r2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~st2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~nl2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~m2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~max2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~mode2~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~id3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~r3~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~st3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~nl3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~m3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~max3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~mode3~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~id4~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~r4~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~st4~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~nl4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~m4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~max4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~mode4~0 := main_#t~nondet43#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 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 1437#L393 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 1343#L404 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 1405#L414 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 1238#L425 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 1478#L435 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 1280#L446 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 1391#L456 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 1312#L467 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 1419#L477 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 1321#L488 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 1322#L498 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 1262#L509 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 1294#L519 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 1285#L530 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 1287#L540 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 1390#L551 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 1323#L561 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 1303#L572 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 1386#L582 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 1242#L593 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 1331#L603 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 1268#L614 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 1452#L624 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 1249#L635 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 1250#L645 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 1271#L656 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 1372#L666 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 1215#L677 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 1216#L687 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 1276#L698 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 1224#L708 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 1225#L719 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 1450#L729 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 1206#L740 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 1456#L750 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 1364#L761 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 1365#L771 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 1333#L782 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 1411#L792 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 1221#L803 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 1248#L813 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 1288#L824 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 1404#L834 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 1265#L845 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 1227#L855 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 1228#L866 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 1363#L876 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 1244#L887 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 1413#L897 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 1208#L897-1 init_#res#1 := init_~tmp___23~0#1; 1392#L1066 main_#t~ret44#1 := init_#res#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; 1379#L21 assume !(0 == assume_abort_if_not_~cond#1); 1380#L20 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; 1435#L1203-2 [2022-11-16 11:43:16,748 INFO L750 eck$LassoCheckResult]: Loop: 1435#L1203-2 assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true; 1540#L109 assume !(0 != ~mode1~0 % 256); 1539#L141 assume ~r1~0 < 3; 1381#L142 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); 1368#L142-2 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); 1319#L145-1 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); 1320#L141-1 ~mode1~0 := 1; 1533#L109-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 1531#L162 assume !(0 != ~mode2~0 % 256); 1532#L194 assume !(~r2~0 < 3); 1518#L194-1 ~mode2~0 := 1; 1517#L162-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 1515#L215 assume !(0 != ~mode3~0 % 256); 1516#L247 assume !(~r3~0 < 3); 1504#L247-1 ~mode3~0 := 1; 1503#L215-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true; 1499#L268 assume !(0 != ~mode4~0 % 256); 1495#L300 assume !(~r4~0 < 3); 1490#L300-1 ~mode4~0 := 1; 1489#L268-2 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; 1488#L1074 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 1487#L1075 assume ~st1~0 + ~nl1~0 <= 1; 1486#L1076 assume ~st2~0 + ~nl2~0 <= 1; 1485#L1077 assume ~st3~0 + ~nl3~0 <= 1; 1484#L1078 assume ~st4~0 + ~nl4~0 <= 1; 1483#L1079 assume !(~r1~0 >= 3); 1336#L1082 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0; 1337#L1083 assume ~r1~0 < 3; 1538#L1088 assume !(~r1~0 >= 3); 1442#L1092 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0; 1443#L1093 assume ~r1~0 < 3;check_~tmp~1#1 := 1; 1544#L1074-1 check_#res#1 := check_~tmp~1#1; 1543#L1126 main_#t~ret45#1 := check_#res#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; 1542#L1246 assume !(0 == assert_~arg#1 % 256); 1541#L1241 assume { :end_inline_assert } true;main_#t~post46#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post46#1;havoc main_#t~post46#1; 1435#L1203-2 [2022-11-16 11:43:16,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:16,749 INFO L85 PathProgramCache]: Analyzing trace with hash 2041231622, now seen corresponding path program 3 times [2022-11-16 11:43:16,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:16,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456562294] [2022-11-16 11:43:16,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:16,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:16,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:43:16,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:43:16,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:43:16,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456562294] [2022-11-16 11:43:16,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456562294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:43:16,908 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:43:16,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:43:16,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164588231] [2022-11-16 11:43:16,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:43:16,909 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 11:43:16,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:43:16,909 INFO L85 PathProgramCache]: Analyzing trace with hash 55504183, now seen corresponding path program 1 times [2022-11-16 11:43:16,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:43:16,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45506058] [2022-11-16 11:43:16,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:43:16,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:43:16,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:43:16,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:43:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:43:16,998 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:43:21,842 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:43:21,843 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:43:21,843 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:43:21,843 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:43:21,843 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 11:43:21,844 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:43:21,844 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:43:21,844 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:43:21,844 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.4.3.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2022-11-16 11:43:21,844 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:43:21,845 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:43:21,893 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:43:21,924 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:43:21,930 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:43:21,934 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:43:21,940 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:43:21,944 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:43:21,946 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:43:21,952 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:43:21,956 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:43:21,959 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:43:21,963 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:43:21,969 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:43:21,984 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:43:23,036 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:43:23,053 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:43:23,058 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:43:23,062 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:43:23,067 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:43:24,531 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 14 [2022-11-16 11:43:30,131 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 108612 conjuctions. This might take some time... [2022-11-16 11:48:44,976 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 4336 conjuctions.