./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.2.ufo.UNBOUNDED.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_f2f20deb-e5f8-4677-a1b8-edf09d12af21/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2f20deb-e5f8-4677-a1b8-edf09d12af21/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_f2f20deb-e5f8-4677-a1b8-edf09d12af21/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2f20deb-e5f8-4677-a1b8-edf09d12af21/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.2.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2f20deb-e5f8-4677-a1b8-edf09d12af21/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_f2f20deb-e5f8-4677-a1b8-edf09d12af21/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 2e33738ed6ea5e50e5f6c45ef52d667e94a1539d08a631ee5964d7b99a8f5c91 --- 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 11:24:46,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:24:46,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:24:46,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:24:46,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:24:46,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:24:46,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:24:46,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:24:46,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:24:46,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:24:46,121 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:24:46,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:24:46,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:24:46,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:24:46,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:24:46,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:24:46,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:24:46,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:24:46,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:24:46,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:24:46,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:24:46,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:24:46,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:24:46,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:24:46,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:24:46,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:24:46,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:24:46,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:24:46,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:24:46,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:24:46,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:24:46,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:24:46,171 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:24:46,172 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:24:46,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:24:46,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:24:46,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:24:46,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:24:46,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:24:46,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:24:46,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:24:46,185 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2f20deb-e5f8-4677-a1b8-edf09d12af21/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 11:24:46,229 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:24:46,230 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:24:46,230 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:24:46,230 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:24:46,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:24:46,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:24:46,232 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:24:46,232 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:24:46,233 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:24:46,233 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:24:46,234 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:24:46,234 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:24:46,234 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:24:46,235 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:24:46,235 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:24:46,235 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:24:46,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:24:46,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:24:46,236 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:24:46,236 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:24:46,236 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:24:46,236 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:24:46,236 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:24:46,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:24:46,238 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:24:46,238 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:24:46,239 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:24:46,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:24:46,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:24:46,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:24:46,240 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:24:46,241 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:24:46,241 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_f2f20deb-e5f8-4677-a1b8-edf09d12af21/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2f20deb-e5f8-4677-a1b8-edf09d12af21/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e33738ed6ea5e50e5f6c45ef52d667e94a1539d08a631ee5964d7b99a8f5c91 [2022-11-16 11:24:46,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:24:46,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:24:46,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:24:46,575 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:24:46,576 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:24:46,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2f20deb-e5f8-4677-a1b8-edf09d12af21/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.2.ufo.UNBOUNDED.pals.c [2022-11-16 11:24:46,666 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2f20deb-e5f8-4677-a1b8-edf09d12af21/bin/uautomizer-tPACEb0tL8/data/8fe879337/46cc706b41ac4920ab25c4e3450420b3/FLAG26a05d44c [2022-11-16 11:24:47,391 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:24:47,391 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2f20deb-e5f8-4677-a1b8-edf09d12af21/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.2.ufo.UNBOUNDED.pals.c [2022-11-16 11:24:47,418 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2f20deb-e5f8-4677-a1b8-edf09d12af21/bin/uautomizer-tPACEb0tL8/data/8fe879337/46cc706b41ac4920ab25c4e3450420b3/FLAG26a05d44c [2022-11-16 11:24:47,659 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2f20deb-e5f8-4677-a1b8-edf09d12af21/bin/uautomizer-tPACEb0tL8/data/8fe879337/46cc706b41ac4920ab25c4e3450420b3 [2022-11-16 11:24:47,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:24:47,664 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:24:47,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:24:47,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:24:47,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:24:47,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:24:47" (1/1) ... [2022-11-16 11:24:47,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68fd602f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:24:47, skipping insertion in model container [2022-11-16 11:24:47,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:24:47" (1/1) ... [2022-11-16 11:24:47,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:24:47,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:24:48,118 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_f2f20deb-e5f8-4677-a1b8-edf09d12af21/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.2.ufo.UNBOUNDED.pals.c[28368,28381] [2022-11-16 11:24:48,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:24:48,130 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:24:48,260 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_f2f20deb-e5f8-4677-a1b8-edf09d12af21/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.2.ufo.UNBOUNDED.pals.c[28368,28381] [2022-11-16 11:24:48,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:24:48,284 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:24:48,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:24:48 WrapperNode [2022-11-16 11:24:48,287 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:24:48,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:24:48,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:24:48,290 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:24:48,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:24:48" (1/1) ... [2022-11-16 11:24:48,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:24:48" (1/1) ... [2022-11-16 11:24:48,383 INFO L138 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 882 [2022-11-16 11:24:48,384 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:24:48,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:24:48,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:24:48,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:24:48,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:24:48" (1/1) ... [2022-11-16 11:24:48,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:24:48" (1/1) ... [2022-11-16 11:24:48,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:24:48" (1/1) ... [2022-11-16 11:24:48,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:24:48" (1/1) ... [2022-11-16 11:24:48,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:24:48" (1/1) ... [2022-11-16 11:24:48,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:24:48" (1/1) ... [2022-11-16 11:24:48,483 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:24:48" (1/1) ... [2022-11-16 11:24:48,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:24:48" (1/1) ... [2022-11-16 11:24:48,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:24:48,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:24:48,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:24:48,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:24:48,523 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:24:48" (1/1) ... [2022-11-16 11:24:48,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:24:48,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2f20deb-e5f8-4677-a1b8-edf09d12af21/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:24:48,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2f20deb-e5f8-4677-a1b8-edf09d12af21/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:24:48,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2f20deb-e5f8-4677-a1b8-edf09d12af21/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 11:24:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:24:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:24:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:24:48,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:24:48,841 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:24:48,844 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:24:50,220 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:24:50,245 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:24:50,245 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:24:50,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:24:50 BoogieIcfgContainer [2022-11-16 11:24:50,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:24:50,250 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 11:24:50,250 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 11:24:50,259 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 11:24:50,260 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:24:50,260 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 11:24:47" (1/3) ... [2022-11-16 11:24:50,261 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ce3d686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:24:50, skipping insertion in model container [2022-11-16 11:24:50,262 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:24:50,262 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:24:48" (2/3) ... [2022-11-16 11:24:50,263 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ce3d686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:24:50, skipping insertion in model container [2022-11-16 11:24:50,263 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:24:50,263 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:24:50" (3/3) ... [2022-11-16 11:24:50,265 INFO L332 chiAutomizerObserver]: Analyzing ICFG pals_floodmax.4.2.ufo.UNBOUNDED.pals.c [2022-11-16 11:24:50,366 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 11:24:50,366 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 11:24:50,366 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 11:24:50,367 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 11:24:50,367 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 11:24:50,367 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 11:24:50,367 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 11:24:50,367 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 11:24:50,377 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 287 states, 286 states have (on average 1.8216783216783217) internal successors, (521), 286 states have internal predecessors, (521), 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 11:24:50,465 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 91 [2022-11-16 11:24:50,470 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:24:50,470 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:24:50,490 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 11:24:50,490 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 11:24:50,491 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 11:24:50,495 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 287 states, 286 states have (on average 1.8216783216783217) internal successors, (521), 286 states have internal predecessors, (521), 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 11:24:50,514 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 91 [2022-11-16 11:24:50,522 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:24:50,522 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:24:50,531 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 11:24:50,533 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 11:24:50,554 INFO L748 eck$LassoCheckResult]: Stem: 275#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; 167#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_~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; 166#L406true assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 39#L417true init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 240#L427true assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 242#L438true init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 123#L448true assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 7#L459true init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 14#L469true assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 46#L480true init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 149#L490true assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 177#L501true init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 208#L511true assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 252#L522true init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 54#L532true assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 45#L543true init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 221#L553true assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 16#L564true init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 47#L574true assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 219#L585true init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 288#L595true assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 148#L606true init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 257#L616true assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 49#L627true init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 104#L637true assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 287#L648true init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 157#L658true assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 110#L669true init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 253#L679true assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 186#L690true init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 60#L700true assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 170#L711true init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 82#L721true assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 159#L732true init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 38#L742true assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 128#L753true init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 209#L763true assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 235#L774true init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 272#L784true assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 139#L795true init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 81#L805true assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 210#L816true init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 48#L826true assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 113#L837true init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 261#L847true assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 218#L858true init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 27#L868true assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 88#L879true init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 10#L889true assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 236#L900true init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 19#L910true assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 17#L910-1true init_#res#1 := init_~tmp___23~0#1; 11#L1079true 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; 44#L22true assume !(0 == assume_abort_if_not_~cond#1); 97#L21true 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; 2#L1216-2true [2022-11-16 11:24:50,559 INFO L750 eck$LassoCheckResult]: Loop: 2#L1216-2true assume !false;assume { :begin_inline_node1 } true; 68#L110true assume !(0 != ~mode1~0 % 256); 58#L145true assume !(~r1~0 % 256 < 3); 66#L145-1true ~mode1~0 := 1; 42#L110-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 90#L166true assume !(0 != ~mode2~0 % 256); 198#L201true assume !(~r2~0 % 256 < 3); 244#L201-1true ~mode2~0 := 1; 238#L166-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 83#L222true assume !(0 != ~mode3~0 % 256); 122#L257true assume !(~r3~0 % 256 < 3); 53#L257-1true ~mode3~0 := 1; 13#L222-2true assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true; 133#L278true assume !(0 != ~mode4~0 % 256); 25#L313true assume !(~r4~0 % 256 < 3); 117#L313-1true ~mode4~0 := 1; 136#L278-2true 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; 131#L1087true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1#1 := 0; 126#L1087-1true check_#res#1 := check_~tmp~1#1; 171#L1139true 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; 154#L1258true assume !(0 == assert_~arg#1 % 256); 59#L1253true assume { :end_inline_assert } true; 2#L1216-2true [2022-11-16 11:24:50,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:24:50,578 INFO L85 PathProgramCache]: Analyzing trace with hash 2041231622, now seen corresponding path program 1 times [2022-11-16 11:24:50,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:24:50,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852109257] [2022-11-16 11:24:50,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:24:50,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:24:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:51,329 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 11:24:51,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:24:51,332 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852109257] [2022-11-16 11:24:51,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852109257] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:24:51,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:24:51,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:24:51,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137703226] [2022-11-16 11:24:51,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:24:51,368 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 11:24:51,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:24:51,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1386693619, now seen corresponding path program 1 times [2022-11-16 11:24:51,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:24:51,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780832773] [2022-11-16 11:24:51,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:24:51,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:24:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:51,685 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 11:24:51,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:24:51,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780832773] [2022-11-16 11:24:51,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780832773] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:24:51,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:24:51,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:24:51,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789829450] [2022-11-16 11:24:51,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:24:51,689 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 11:24:51,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:24:51,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:24:51,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:24:51,743 INFO L87 Difference]: Start difference. First operand has 287 states, 286 states have (on average 1.8216783216783217) internal successors, (521), 286 states have internal predecessors, (521), 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 11:24:51,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:24:51,968 INFO L93 Difference]: Finished difference Result 287 states and 517 transitions. [2022-11-16 11:24:51,970 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 287 states and 517 transitions. [2022-11-16 11:24:51,981 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2022-11-16 11:24:51,993 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 287 states to 282 states and 504 transitions. [2022-11-16 11:24:51,998 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 282 [2022-11-16 11:24:52,000 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 282 [2022-11-16 11:24:52,001 INFO L73 IsDeterministic]: Start isDeterministic. Operand 282 states and 504 transitions. [2022-11-16 11:24:52,004 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:24:52,004 INFO L218 hiAutomatonCegarLoop]: Abstraction has 282 states and 504 transitions. [2022-11-16 11:24:52,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states and 504 transitions. [2022-11-16 11:24:52,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2022-11-16 11:24:52,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 282 states have (on average 1.7872340425531914) internal successors, (504), 281 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:24:52,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 504 transitions. [2022-11-16 11:24:52,054 INFO L240 hiAutomatonCegarLoop]: Abstraction has 282 states and 504 transitions. [2022-11-16 11:24:52,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:24:52,061 INFO L428 stractBuchiCegarLoop]: Abstraction has 282 states and 504 transitions. [2022-11-16 11:24:52,062 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 11:24:52,062 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 282 states and 504 transitions. [2022-11-16 11:24:52,065 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 90 [2022-11-16 11:24:52,065 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:24:52,066 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:24:52,068 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 11:24:52,068 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 11:24:52,069 INFO L748 eck$LassoCheckResult]: Stem: 872#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; 834#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_~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; 833#L406 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 629#L417 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 670#L427 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 808#L438 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 790#L448 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 604#L459 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 605#L469 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 622#L480 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 682#L490 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 672#L501 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 839#L511 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 674#L522 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 693#L532 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 680#L543 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 681#L553 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 626#L564 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 627#L574 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 683#L585 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 858#L595 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 664#L606 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 821#L616 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 687#L627 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 688#L637 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 762#L648 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 828#L658 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 658#L669 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 771#L679 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 666#L690 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 705#L700 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 706#L711 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 737#L721 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 610#L732 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 667#L742 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 668#L753 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 798#L763 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 824#L774 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 864#L784 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 742#L795 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 735#L805 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 701#L816 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 685#L826 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 624#L837 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 776#L847 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 778#L858 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 648#L868 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 649#L879 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 611#L889 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 612#L900 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 630#L910 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 596#L910-1 init_#res#1 := init_~tmp___23~0#1; 614#L1079 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; 615#L22 assume !(0 == assume_abort_if_not_~cond#1); 679#L21 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; 592#L1216-2 [2022-11-16 11:24:52,070 INFO L750 eck$LassoCheckResult]: Loop: 592#L1216-2 assume !false;assume { :begin_inline_node1 } true; 593#L110 assume !(0 != ~mode1~0 % 256); 702#L145 assume !(~r1~0 % 256 < 3); 704#L145-1 ~mode1~0 := 1; 633#L110-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 676#L166 assume !(0 != ~mode2~0 % 256); 745#L201 assume !(~r2~0 % 256 < 3); 844#L201-1 ~mode2~0 := 1; 865#L166-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 739#L222 assume !(0 != ~mode3~0 % 256); 740#L257 assume !(~r3~0 % 256 < 3); 692#L257-1 ~mode3~0 := 1; 619#L222-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true; 620#L278 assume !(0 != ~mode4~0 % 256); 641#L313 assume !(~r4~0 % 256 < 3); 642#L313-1 ~mode4~0 := 1; 780#L278-2 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; 801#L1087 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 802#L1088 assume ~st1~0 + ~nl1~0 <= 1; 868#L1089 assume ~st2~0 + ~nl2~0 <= 1; 646#L1090 assume ~st3~0 + ~nl3~0 <= 1; 647#L1091 assume ~st4~0 + ~nl4~0 <= 1; 711#L1092 assume ~r1~0 % 256 >= 3; 796#L1096 assume ~r1~0 % 256 < 3; 726#L1101 assume ~r1~0 % 256 >= 3; 721#L1106 assume ~r1~0 % 256 < 3;check_~tmp~1#1 := 1; 794#L1087-1 check_#res#1 := check_~tmp~1#1; 795#L1139 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; 825#L1258 assume !(0 == assert_~arg#1 % 256); 698#L1253 assume { :end_inline_assert } true; 592#L1216-2 [2022-11-16 11:24:52,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:24:52,071 INFO L85 PathProgramCache]: Analyzing trace with hash 2041231622, now seen corresponding path program 2 times [2022-11-16 11:24:52,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:24:52,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883397854] [2022-11-16 11:24:52,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:24:52,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:24:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:52,260 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 11:24:52,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:24:52,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883397854] [2022-11-16 11:24:52,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883397854] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:24:52,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:24:52,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:24:52,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669970648] [2022-11-16 11:24:52,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:24:52,270 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 11:24:52,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:24:52,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1274057180, now seen corresponding path program 1 times [2022-11-16 11:24:52,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:24:52,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416944427] [2022-11-16 11:24:52,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:24:52,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:24:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:52,347 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 11:24:52,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:24:52,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416944427] [2022-11-16 11:24:52,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416944427] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:24:52,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:24:52,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:24:52,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077949208] [2022-11-16 11:24:52,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:24:52,351 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 11:24:52,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:24:52,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:24:52,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:24:52,352 INFO L87 Difference]: Start difference. First operand 282 states and 504 transitions. cyclomatic complexity: 223 Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:24:52,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:24:52,447 INFO L93 Difference]: Finished difference Result 356 states and 622 transitions. [2022-11-16 11:24:52,447 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 356 states and 622 transitions. [2022-11-16 11:24:52,483 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 164 [2022-11-16 11:24:52,486 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 356 states to 356 states and 622 transitions. [2022-11-16 11:24:52,487 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 356 [2022-11-16 11:24:52,487 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 356 [2022-11-16 11:24:52,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 356 states and 622 transitions. [2022-11-16 11:24:52,490 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:24:52,490 INFO L218 hiAutomatonCegarLoop]: Abstraction has 356 states and 622 transitions. [2022-11-16 11:24:52,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states and 622 transitions. [2022-11-16 11:24:52,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 354. [2022-11-16 11:24:52,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 354 states have (on average 1.7485875706214689) internal successors, (619), 353 states have internal predecessors, (619), 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 11:24:52,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 619 transitions. [2022-11-16 11:24:52,512 INFO L240 hiAutomatonCegarLoop]: Abstraction has 354 states and 619 transitions. [2022-11-16 11:24:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:24:52,513 INFO L428 stractBuchiCegarLoop]: Abstraction has 354 states and 619 transitions. [2022-11-16 11:24:52,513 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 11:24:52,514 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 354 states and 619 transitions. [2022-11-16 11:24:52,517 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 162 [2022-11-16 11:24:52,517 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:24:52,517 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:24:52,519 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 11:24:52,519 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 11:24:52,520 INFO L748 eck$LassoCheckResult]: Stem: 1526#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; 1486#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_~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; 1485#L406 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 1278#L417 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 1317#L427 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 1461#L438 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 1442#L448 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 1251#L459 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 1252#L469 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 1269#L480 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 1329#L490 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 1319#L501 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 1491#L511 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 1321#L522 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 1340#L532 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 1327#L543 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 1328#L553 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 1273#L564 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 1274#L574 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 1330#L585 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 1512#L595 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 1311#L606 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 1474#L616 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 1334#L627 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 1335#L637 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 1412#L648 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 1480#L658 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 1305#L669 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 1425#L679 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 1313#L690 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 1353#L700 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 1354#L711 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 1385#L721 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 1257#L732 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 1314#L742 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 1315#L753 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 1450#L763 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 1477#L774 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 1519#L784 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 1390#L795 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 1383#L805 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 1350#L816 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 1332#L826 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 1271#L837 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 1426#L847 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 1428#L858 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 1295#L868 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 1296#L879 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 1258#L889 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 1259#L900 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 1275#L910 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 1243#L910-1 init_#res#1 := init_~tmp___23~0#1; 1261#L1079 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; 1262#L22 assume !(0 == assume_abort_if_not_~cond#1); 1326#L21 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; 1402#L1216-2 [2022-11-16 11:24:52,521 INFO L750 eck$LassoCheckResult]: Loop: 1402#L1216-2 assume !false;assume { :begin_inline_node1 } true; 1530#L110 assume !(0 != ~mode1~0 % 256); 1529#L145 assume ~r1~0 % 256 < 3; 1391#L146 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); 1392#L146-2 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); 1444#L149-1 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); 1360#L145-1 ~mode1~0 := 1; 1280#L110-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 1323#L166 assume !(0 != ~mode2~0 % 256); 1394#L201 assume !(~r2~0 % 256 < 3); 1496#L201-1 ~mode2~0 := 1; 1518#L166-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 1386#L222 assume !(0 != ~mode3~0 % 256); 1387#L257 assume !(~r3~0 % 256 < 3); 1339#L257-1 ~mode3~0 := 1; 1266#L222-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true; 1267#L278 assume !(0 != ~mode4~0 % 256); 1288#L313 assume !(~r4~0 % 256 < 3); 1289#L313-1 ~mode4~0 := 1; 1430#L278-2 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; 1540#L1087 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 1539#L1088 assume ~st1~0 + ~nl1~0 <= 1; 1538#L1089 assume ~st2~0 + ~nl2~0 <= 1; 1537#L1090 assume ~st3~0 + ~nl3~0 <= 1; 1536#L1091 assume ~st4~0 + ~nl4~0 <= 1; 1534#L1092 assume !(~r1~0 % 256 >= 3); 1497#L1095 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0; 1498#L1096 assume ~r1~0 % 256 < 3; 1528#L1101 assume !(~r1~0 % 256 >= 3); 1367#L1105 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0; 1368#L1106 assume ~r1~0 % 256 < 3;check_~tmp~1#1 := 1; 1535#L1087-1 check_#res#1 := check_~tmp~1#1; 1533#L1139 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; 1532#L1258 assume !(0 == assert_~arg#1 % 256); 1531#L1253 assume { :end_inline_assert } true; 1402#L1216-2 [2022-11-16 11:24:52,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:24:52,522 INFO L85 PathProgramCache]: Analyzing trace with hash 2041231622, now seen corresponding path program 3 times [2022-11-16 11:24:52,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:24:52,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928880273] [2022-11-16 11:24:52,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:24:52,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:24:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:24:52,684 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 11:24:52,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:24:52,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928880273] [2022-11-16 11:24:52,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928880273] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:24:52,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:24:52,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:24:52,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675964315] [2022-11-16 11:24:52,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:24:52,688 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 11:24:52,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:24:52,689 INFO L85 PathProgramCache]: Analyzing trace with hash 287650636, now seen corresponding path program 1 times [2022-11-16 11:24:52,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:24:52,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281819007] [2022-11-16 11:24:52,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:24:52,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:24:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:24:52,774 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:24:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:24:52,847 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:24:58,089 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:24:58,090 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:24:58,090 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:24:58,090 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:24:58,090 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 11:24:58,091 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:24:58,091 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:24:58,091 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:24:58,091 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.4.2.ufo.UNBOUNDED.pals.c_Iteration3_Loop [2022-11-16 11:24:58,091 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:24:58,092 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:24:58,151 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 11:24:58,164 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 11:24:58,171 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 11:24:58,178 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 11:24:58,182 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 11:24:58,186 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 11:24:58,190 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 11:24:58,213 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 11:24:58,218 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 11:24:59,518 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 11:24:59,521 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 11:24:59,527 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 11:24:59,535 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 11:24:59,539 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 11:24:59,544 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 11:24:59,550 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 11:25:01,183 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 14 [2022-11-16 11:25:06,324 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 74484 conjuctions. This might take some time... [2022-11-16 11:27:41,161 INFO L192 XnfTransformerHelper]: Simplified to disjunction of 4336 conjuctions. [2022-11-16 11:37:38,571 WARN L233 SmtUtils]: Spent 9.95m on a formula simplification. DAG size of input: 2432 DAG size of output: 350 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2022-11-16 11:37:38,894 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:37:38,894 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 11:37:38,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:37:38,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2f20deb-e5f8-4677-a1b8-edf09d12af21/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:37:38,903 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2f20deb-e5f8-4677-a1b8-edf09d12af21/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:37:38,910 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:37:38,910 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:37:38,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2f20deb-e5f8-4677-a1b8-edf09d12af21/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 11:37:38,938 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 11:37:38,938 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret45#1=0} Honda state: {ULTIMATE.start_main_#t~ret45#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 11:37:38,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2f20deb-e5f8-4677-a1b8-edf09d12af21/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:37:38,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:37:38,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2f20deb-e5f8-4677-a1b8-edf09d12af21/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:37:38,950 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2f20deb-e5f8-4677-a1b8-edf09d12af21/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:37:38,968 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:37:38,968 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:37:38,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2f20deb-e5f8-4677-a1b8-edf09d12af21/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 11:37:39,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2f20deb-e5f8-4677-a1b8-edf09d12af21/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:37:39,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:37:39,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2f20deb-e5f8-4677-a1b8-edf09d12af21/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:37:39,041 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2f20deb-e5f8-4677-a1b8-edf09d12af21/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:37:39,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2f20deb-e5f8-4677-a1b8-edf09d12af21/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 11:37:39,113 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 11:37:39,120 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:37:39,267 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 11:37:39,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2f20deb-e5f8-4677-a1b8-edf09d12af21/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:37:39,278 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:37:39,278 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:37:39,278 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:37:39,278 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:37:39,279 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:37:39,279 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:37:39,279 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:37:39,279 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:37:39,279 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.4.2.ufo.UNBOUNDED.pals.c_Iteration3_Loop [2022-11-16 11:37:39,279 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:37:39,279 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:37:39,299 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 11:37:39,307 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 11:37:39,309 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 11:37:39,318 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 11:37:39,322 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 11:37:40,592 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 11:37:40,596 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 11:37:40,600 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 11:37:40,618 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 11:37:40,623 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 11:37:40,627 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 11:37:40,635 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 11:37:40,644 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 11:37:40,648 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 11:37:40,655 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 11:37:40,662 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 11:37:42,459 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 14 [2022-11-16 11:37:44,748 WARN L176 XnfTransformerHelper]: Simplifying disjunction of 78660 conjuctions. This might take some time...