./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/systemc/toy1.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b5237d83 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_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/systemc/toy1.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a --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 c40ed6d21fe4d61cae011269f1fdb95d05149cea0f3470f42c6e8f2fc8fb0d6a --- 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-b5237d8 [2022-11-21 16:08:10,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:08:10,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:08:10,157 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:08:10,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:08:10,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:08:10,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:08:10,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:08:10,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:08:10,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:08:10,178 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:08:10,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:08:10,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:08:10,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:08:10,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:08:10,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:08:10,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:08:10,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:08:10,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:08:10,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:08:10,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:08:10,211 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:08:10,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:08:10,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:08:10,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:08:10,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:08:10,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:08:10,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:08:10,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:08:10,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:08:10,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:08:10,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:08:10,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:08:10,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:08:10,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:08:10,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:08:10,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:08:10,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:08:10,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:08:10,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:08:10,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:08:10,247 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-21 16:08:10,295 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:08:10,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:08:10,297 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:08:10,297 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:08:10,299 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:08:10,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:08:10,300 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:08:10,300 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-21 16:08:10,300 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-21 16:08:10,301 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-21 16:08:10,302 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-21 16:08:10,303 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-21 16:08:10,303 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-21 16:08:10,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:08:10,304 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:08:10,304 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:08:10,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:08:10,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:08:10,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:08:10,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-21 16:08:10,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-21 16:08:10,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-21 16:08:10,306 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:08:10,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:08:10,307 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-21 16:08:10,307 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:08:10,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-21 16:08:10,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:08:10,309 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:08:10,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:08:10,309 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:08:10,311 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-21 16:08:10,313 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_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c40ed6d21fe4d61cae011269f1fdb95d05149cea0f3470f42c6e8f2fc8fb0d6a [2022-11-21 16:08:10,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:08:10,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:08:10,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:08:10,680 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:08:10,681 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:08:10,683 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/systemc/toy1.cil.c [2022-11-21 16:08:14,151 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:08:14,427 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:08:14,428 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/sv-benchmarks/c/systemc/toy1.cil.c [2022-11-21 16:08:14,440 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/data/872babf1a/2376b0b4746545279bc6f90338d6b259/FLAG14b1657e9 [2022-11-21 16:08:14,458 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/data/872babf1a/2376b0b4746545279bc6f90338d6b259 [2022-11-21 16:08:14,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:08:14,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:08:14,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:08:14,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:08:14,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:08:14,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:08:14" (1/1) ... [2022-11-21 16:08:14,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4b281d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:08:14, skipping insertion in model container [2022-11-21 16:08:14,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:08:14" (1/1) ... [2022-11-21 16:08:14,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:08:14,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:08:14,710 WARN L237 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_05dfd33a-d980-41b8-a07d-98342ffc0c7a/sv-benchmarks/c/systemc/toy1.cil.c[698,711] [2022-11-21 16:08:14,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:08:14,825 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:08:14,836 WARN L237 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_05dfd33a-d980-41b8-a07d-98342ffc0c7a/sv-benchmarks/c/systemc/toy1.cil.c[698,711] [2022-11-21 16:08:14,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:08:14,899 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:08:14,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:08:14 WrapperNode [2022-11-21 16:08:14,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:08:14,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:08:14,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:08:14,902 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:08:14,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:08:14" (1/1) ... [2022-11-21 16:08:14,939 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:08:14" (1/1) ... [2022-11-21 16:08:14,980 INFO L138 Inliner]: procedures = 20, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 363 [2022-11-21 16:08:14,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:08:14,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:08:14,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:08:14,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:08:14,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:08:14" (1/1) ... [2022-11-21 16:08:14,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:08:14" (1/1) ... [2022-11-21 16:08:14,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:08:14" (1/1) ... [2022-11-21 16:08:14,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:08:14" (1/1) ... [2022-11-21 16:08:15,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:08:14" (1/1) ... [2022-11-21 16:08:15,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:08:14" (1/1) ... [2022-11-21 16:08:15,016 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:08:14" (1/1) ... [2022-11-21 16:08:15,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:08:14" (1/1) ... [2022-11-21 16:08:15,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:08:15,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:08:15,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:08:15,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:08:15,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:08:14" (1/1) ... [2022-11-21 16:08:15,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:15,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:15,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:15,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-21 16:08:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:08:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:08:15,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:08:15,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:08:15,276 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:08:15,279 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:08:15,982 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:08:15,992 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:08:15,993 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-21 16:08:15,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:08:15 BoogieIcfgContainer [2022-11-21 16:08:15,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:08:16,000 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-21 16:08:16,001 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-21 16:08:16,006 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-21 16:08:16,017 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:08:16,017 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 04:08:14" (1/3) ... [2022-11-21 16:08:16,018 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f84b5b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 04:08:16, skipping insertion in model container [2022-11-21 16:08:16,019 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:08:16,019 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:08:14" (2/3) ... [2022-11-21 16:08:16,020 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f84b5b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 04:08:16, skipping insertion in model container [2022-11-21 16:08:16,021 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:08:16,021 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:08:15" (3/3) ... [2022-11-21 16:08:16,026 INFO L332 chiAutomizerObserver]: Analyzing ICFG toy1.cil.c [2022-11-21 16:08:16,099 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-21 16:08:16,099 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-21 16:08:16,100 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-21 16:08:16,100 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-21 16:08:16,100 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-21 16:08:16,100 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-21 16:08:16,101 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-21 16:08:16,101 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-21 16:08:16,107 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 134 states, 133 states have (on average 1.8195488721804511) internal successors, (242), 133 states have internal predecessors, (242), 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) [2022-11-21 16:08:16,140 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 99 [2022-11-21 16:08:16,141 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:08:16,141 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:08:16,150 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] [2022-11-21 16:08:16,150 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] [2022-11-21 16:08:16,151 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-21 16:08:16,152 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 134 states, 133 states have (on average 1.8195488721804511) internal successors, (242), 133 states have internal predecessors, (242), 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) [2022-11-21 16:08:16,161 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 99 [2022-11-21 16:08:16,161 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:08:16,162 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:08:16,163 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] [2022-11-21 16:08:16,164 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] [2022-11-21 16:08:16,174 INFO L748 eck$LassoCheckResult]: Stem: 122#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 45#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 20#L416true assume !(1 == ~c_req_up~0); 111#L416-2true assume !(1 == ~wl_i~0);~wl_st~0 := 2; 61#L427-1true assume !(1 == ~c1_i~0);~c1_st~0 := 2; 70#L432-1true assume 1 == ~c2_i~0;~c2_st~0 := 0; 32#L437-1true assume !(1 == ~wb_i~0);~wb_st~0 := 2; 44#L442-1true assume !(1 == ~r_i~0);~r_st~0 := 2; 107#L447-1true assume !(0 == ~e_f~0); 35#L452-1true assume !(0 == ~e_g~0); 8#L457-1true assume !(0 == ~e_e~0); 119#L462-1true assume !(0 == ~e_c~0); 24#L467-1true assume !(0 == ~e_wl~0); 100#L472-1true assume !(1 == ~wl_pc~0); 124#L484true assume !(2 == ~wl_pc~0); 93#L485true assume !(1 == ~c1_pc~0); 25#L495true assume !(1 == ~c2_pc~0); 74#L504true assume !(1 == ~wb_pc~0); 97#L513true assume !(1 == ~e_c~0); 16#L522-1true assume !(1 == ~e_e~0); 105#L527-1true assume !(1 == ~e_f~0); 37#L532-1true assume !(1 == ~e_g~0); 84#L537-1true assume !(1 == ~e_c~0); 55#L542-1true assume !(1 == ~e_wl~0); 102#L684-1true [2022-11-21 16:08:16,176 INFO L750 eck$LassoCheckResult]: Loop: 102#L684-1true assume !false; 133#L554true start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 18#L389true assume false; 77#L405true assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 23#L560true assume !(1 == ~c_req_up~0); 99#L560-2true start_simulation_~kernel_st~0#1 := 3; 108#L572true assume 0 == ~e_f~0;~e_f~0 := 1; 22#L572-2true assume 0 == ~e_g~0;~e_g~0 := 1; 48#L577-1true assume !(0 == ~e_e~0); 33#L582-1true assume 0 == ~e_c~0;~e_c~0 := 1; 41#L587-1true assume 0 == ~e_wl~0;~e_wl~0 := 1; 56#L592-1true assume !(1 == ~wl_pc~0); 49#L604true assume !(2 == ~wl_pc~0); 57#L605true assume !(1 == ~c1_pc~0); 7#L615true assume !(1 == ~c2_pc~0); 46#L624true assume !(1 == ~wb_pc~0); 126#L633true assume 1 == ~e_c~0;~r_st~0 := 0; 87#L642-1true assume 1 == ~e_e~0;~e_e~0 := 2; 26#L647-1true assume 1 == ~e_f~0;~e_f~0 := 2; 12#L652-1true assume !(1 == ~e_g~0); 88#L657-1true assume 1 == ~e_c~0;~e_c~0 := 2; 80#L662-1true assume 1 == ~e_wl~0;~e_wl~0 := 2; 103#L667-1true assume 0 == ~wl_st~0; 102#L684-1true [2022-11-21 16:08:16,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:16,183 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 1 times [2022-11-21 16:08:16,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:16,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096562299] [2022-11-21 16:08:16,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:16,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:16,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:16,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:16,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096562299] [2022-11-21 16:08:16,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096562299] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:08:16,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:08:16,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:08:16,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328333473] [2022-11-21 16:08:16,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:08:16,605 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-21 16:08:16,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:16,607 INFO L85 PathProgramCache]: Analyzing trace with hash -696614142, now seen corresponding path program 1 times [2022-11-21 16:08:16,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:16,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865407150] [2022-11-21 16:08:16,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:16,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:16,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:16,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:16,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865407150] [2022-11-21 16:08:16,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865407150] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:08:16,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:08:16,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:08:16,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032900769] [2022-11-21 16:08:16,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:08:16,649 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-21 16:08:16,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:08:16,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-21 16:08:16,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-21 16:08:16,718 INFO L87 Difference]: Start difference. First operand has 134 states, 133 states have (on average 1.8195488721804511) internal successors, (242), 133 states have internal predecessors, (242), 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 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 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) [2022-11-21 16:08:16,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:08:16,760 INFO L93 Difference]: Finished difference Result 132 states and 226 transitions. [2022-11-21 16:08:16,761 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 132 states and 226 transitions. [2022-11-21 16:08:16,766 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-11-21 16:08:16,772 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 132 states to 126 states and 220 transitions. [2022-11-21 16:08:16,774 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 126 [2022-11-21 16:08:16,775 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 126 [2022-11-21 16:08:16,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 126 states and 220 transitions. [2022-11-21 16:08:16,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:08:16,777 INFO L218 hiAutomatonCegarLoop]: Abstraction has 126 states and 220 transitions. [2022-11-21 16:08:16,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states and 220 transitions. [2022-11-21 16:08:16,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2022-11-21 16:08:16,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 126 states have (on average 1.746031746031746) internal successors, (220), 125 states have internal predecessors, (220), 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) [2022-11-21 16:08:16,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 220 transitions. [2022-11-21 16:08:16,821 INFO L240 hiAutomatonCegarLoop]: Abstraction has 126 states and 220 transitions. [2022-11-21 16:08:16,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-21 16:08:16,833 INFO L428 stractBuchiCegarLoop]: Abstraction has 126 states and 220 transitions. [2022-11-21 16:08:16,842 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-21 16:08:16,842 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 220 transitions. [2022-11-21 16:08:16,845 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-11-21 16:08:16,845 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:08:16,845 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:08:16,847 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] [2022-11-21 16:08:16,847 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] [2022-11-21 16:08:16,848 INFO L748 eck$LassoCheckResult]: Stem: 400#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 353#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 309#L416 assume !(1 == ~c_req_up~0); 311#L416-2 assume !(1 == ~wl_i~0);~wl_st~0 := 2; 369#L427-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 370#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 334#L437-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 335#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 352#L447-1 assume !(0 == ~e_f~0); 340#L452-1 assume !(0 == ~e_g~0); 287#L457-1 assume !(0 == ~e_e~0); 288#L462-1 assume !(0 == ~e_c~0); 319#L467-1 assume !(0 == ~e_wl~0); 320#L472-1 assume !(1 == ~wl_pc~0); 395#L484 assume !(2 == ~wl_pc~0); 391#L485 assume !(1 == ~c1_pc~0); 321#L495 assume !(1 == ~c2_pc~0); 323#L504 assume !(1 == ~wb_pc~0); 379#L513 assume !(1 == ~e_c~0); 300#L522-1 assume !(1 == ~e_e~0); 301#L527-1 assume !(1 == ~e_f~0); 341#L532-1 assume !(1 == ~e_g~0); 342#L537-1 assume !(1 == ~e_c~0); 363#L542-1 assume !(1 == ~e_wl~0); 278#L684-1 [2022-11-21 16:08:16,855 INFO L750 eck$LassoCheckResult]: Loop: 278#L684-1 assume !false; 397#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 305#L389 assume !false; 306#L307 assume !(0 == ~wl_st~0); 358#L311 assume !(0 == ~c1_st~0); 359#L314 assume !(0 == ~c2_st~0); 279#L317 assume !(0 == ~wb_st~0); 281#L320 assume !(0 == ~r_st~0); 382#L405 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 316#L560 assume !(1 == ~c_req_up~0); 318#L560-2 start_simulation_~kernel_st~0#1 := 3; 394#L572 assume 0 == ~e_f~0;~e_f~0 := 1; 314#L572-2 assume 0 == ~e_g~0;~e_g~0 := 1; 315#L577-1 assume !(0 == ~e_e~0); 336#L582-1 assume 0 == ~e_c~0;~e_c~0 := 1; 337#L587-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 349#L592-1 assume !(1 == ~wl_pc~0); 357#L604 assume !(2 == ~wl_pc~0); 308#L605 assume !(1 == ~c1_pc~0); 284#L615 assume !(1 == ~c2_pc~0); 286#L624 assume !(1 == ~wb_pc~0); 355#L633 assume 1 == ~e_c~0;~r_st~0 := 0; 388#L642-1 assume 1 == ~e_e~0;~e_e~0 := 2; 324#L647-1 assume 1 == ~e_f~0;~e_f~0 := 2; 294#L652-1 assume !(1 == ~e_g~0); 295#L657-1 assume 1 == ~e_c~0;~e_c~0 := 2; 385#L662-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 386#L667-1 assume 0 == ~wl_st~0; 278#L684-1 [2022-11-21 16:08:16,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:16,856 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 2 times [2022-11-21 16:08:16,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:16,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933747087] [2022-11-21 16:08:16,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:16,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:16,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:17,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:17,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:17,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933747087] [2022-11-21 16:08:17,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933747087] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:08:17,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:08:17,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:08:17,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574722736] [2022-11-21 16:08:17,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:08:17,090 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-21 16:08:17,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:17,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1432587772, now seen corresponding path program 1 times [2022-11-21 16:08:17,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:17,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781197587] [2022-11-21 16:08:17,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:17,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:17,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:17,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:17,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781197587] [2022-11-21 16:08:17,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781197587] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:08:17,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:08:17,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:08:17,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709549210] [2022-11-21 16:08:17,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:08:17,208 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-21 16:08:17,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:08:17,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:08:17,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:08:17,210 INFO L87 Difference]: Start difference. First operand 126 states and 220 transitions. cyclomatic complexity: 95 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-11-21 16:08:17,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:08:17,239 INFO L93 Difference]: Finished difference Result 126 states and 219 transitions. [2022-11-21 16:08:17,239 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 219 transitions. [2022-11-21 16:08:17,242 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-11-21 16:08:17,243 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 126 states and 219 transitions. [2022-11-21 16:08:17,244 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 126 [2022-11-21 16:08:17,244 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 126 [2022-11-21 16:08:17,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 126 states and 219 transitions. [2022-11-21 16:08:17,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:08:17,246 INFO L218 hiAutomatonCegarLoop]: Abstraction has 126 states and 219 transitions. [2022-11-21 16:08:17,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states and 219 transitions. [2022-11-21 16:08:17,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2022-11-21 16:08:17,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 126 states have (on average 1.7380952380952381) internal successors, (219), 125 states have internal predecessors, (219), 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) [2022-11-21 16:08:17,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 219 transitions. [2022-11-21 16:08:17,267 INFO L240 hiAutomatonCegarLoop]: Abstraction has 126 states and 219 transitions. [2022-11-21 16:08:17,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:08:17,269 INFO L428 stractBuchiCegarLoop]: Abstraction has 126 states and 219 transitions. [2022-11-21 16:08:17,269 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-21 16:08:17,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 219 transitions. [2022-11-21 16:08:17,271 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-11-21 16:08:17,272 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:08:17,272 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:08:17,273 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] [2022-11-21 16:08:17,273 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] [2022-11-21 16:08:17,274 INFO L748 eck$LassoCheckResult]: Stem: 659#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 612#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 568#L416 assume !(1 == ~c_req_up~0); 570#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 628#L427-1 assume !(1 == ~c1_i~0);~c1_st~0 := 2; 629#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 593#L437-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 594#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 611#L447-1 assume !(0 == ~e_f~0); 599#L452-1 assume !(0 == ~e_g~0); 546#L457-1 assume !(0 == ~e_e~0); 547#L462-1 assume !(0 == ~e_c~0); 578#L467-1 assume !(0 == ~e_wl~0); 579#L472-1 assume !(1 == ~wl_pc~0); 654#L484 assume !(2 == ~wl_pc~0); 650#L485 assume !(1 == ~c1_pc~0); 580#L495 assume !(1 == ~c2_pc~0); 582#L504 assume !(1 == ~wb_pc~0); 638#L513 assume !(1 == ~e_c~0); 559#L522-1 assume !(1 == ~e_e~0); 560#L527-1 assume !(1 == ~e_f~0); 600#L532-1 assume !(1 == ~e_g~0); 601#L537-1 assume !(1 == ~e_c~0); 622#L542-1 assume !(1 == ~e_wl~0); 537#L684-1 [2022-11-21 16:08:17,274 INFO L750 eck$LassoCheckResult]: Loop: 537#L684-1 assume !false; 656#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 564#L389 assume !false; 565#L307 assume !(0 == ~wl_st~0); 617#L311 assume !(0 == ~c1_st~0); 618#L314 assume !(0 == ~c2_st~0); 538#L317 assume !(0 == ~wb_st~0); 540#L320 assume !(0 == ~r_st~0); 641#L405 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 575#L560 assume !(1 == ~c_req_up~0); 577#L560-2 start_simulation_~kernel_st~0#1 := 3; 653#L572 assume 0 == ~e_f~0;~e_f~0 := 1; 573#L572-2 assume 0 == ~e_g~0;~e_g~0 := 1; 574#L577-1 assume !(0 == ~e_e~0); 595#L582-1 assume 0 == ~e_c~0;~e_c~0 := 1; 596#L587-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 608#L592-1 assume !(1 == ~wl_pc~0); 616#L604 assume !(2 == ~wl_pc~0); 567#L605 assume !(1 == ~c1_pc~0); 543#L615 assume !(1 == ~c2_pc~0); 545#L624 assume !(1 == ~wb_pc~0); 614#L633 assume 1 == ~e_c~0;~r_st~0 := 0; 647#L642-1 assume 1 == ~e_e~0;~e_e~0 := 2; 583#L647-1 assume 1 == ~e_f~0;~e_f~0 := 2; 553#L652-1 assume !(1 == ~e_g~0); 554#L657-1 assume 1 == ~e_c~0;~e_c~0 := 2; 644#L662-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 645#L667-1 assume 0 == ~wl_st~0; 537#L684-1 [2022-11-21 16:08:17,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:17,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1738779219, now seen corresponding path program 1 times [2022-11-21 16:08:17,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:17,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539891586] [2022-11-21 16:08:17,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:17,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:17,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:17,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:17,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539891586] [2022-11-21 16:08:17,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539891586] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:08:17,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:08:17,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:08:17,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979151604] [2022-11-21 16:08:17,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:08:17,411 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-21 16:08:17,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:17,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1432587772, now seen corresponding path program 2 times [2022-11-21 16:08:17,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:17,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169286224] [2022-11-21 16:08:17,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:17,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:17,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:17,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:17,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169286224] [2022-11-21 16:08:17,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169286224] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:08:17,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:08:17,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:08:17,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745087427] [2022-11-21 16:08:17,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:08:17,456 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-21 16:08:17,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:08:17,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:08:17,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:08:17,457 INFO L87 Difference]: Start difference. First operand 126 states and 219 transitions. cyclomatic complexity: 94 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-11-21 16:08:17,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:08:17,477 INFO L93 Difference]: Finished difference Result 126 states and 218 transitions. [2022-11-21 16:08:17,477 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 218 transitions. [2022-11-21 16:08:17,487 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-11-21 16:08:17,489 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 126 states and 218 transitions. [2022-11-21 16:08:17,489 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 126 [2022-11-21 16:08:17,490 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 126 [2022-11-21 16:08:17,490 INFO L73 IsDeterministic]: Start isDeterministic. Operand 126 states and 218 transitions. [2022-11-21 16:08:17,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:08:17,491 INFO L218 hiAutomatonCegarLoop]: Abstraction has 126 states and 218 transitions. [2022-11-21 16:08:17,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states and 218 transitions. [2022-11-21 16:08:17,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2022-11-21 16:08:17,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 126 states have (on average 1.7301587301587302) internal successors, (218), 125 states have internal predecessors, (218), 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) [2022-11-21 16:08:17,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 218 transitions. [2022-11-21 16:08:17,505 INFO L240 hiAutomatonCegarLoop]: Abstraction has 126 states and 218 transitions. [2022-11-21 16:08:17,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:08:17,510 INFO L428 stractBuchiCegarLoop]: Abstraction has 126 states and 218 transitions. [2022-11-21 16:08:17,511 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-21 16:08:17,511 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 218 transitions. [2022-11-21 16:08:17,512 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-11-21 16:08:17,513 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:08:17,513 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:08:17,514 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] [2022-11-21 16:08:17,514 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] [2022-11-21 16:08:17,515 INFO L748 eck$LassoCheckResult]: Stem: 918#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 871#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 827#L416 assume !(1 == ~c_req_up~0); 829#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 887#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 888#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 854#L437-1 assume !(1 == ~wb_i~0);~wb_st~0 := 2; 855#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 870#L447-1 assume !(0 == ~e_f~0); 858#L452-1 assume !(0 == ~e_g~0); 805#L457-1 assume !(0 == ~e_e~0); 806#L462-1 assume !(0 == ~e_c~0); 837#L467-1 assume !(0 == ~e_wl~0); 838#L472-1 assume !(1 == ~wl_pc~0); 913#L484 assume !(2 == ~wl_pc~0); 909#L485 assume !(1 == ~c1_pc~0); 839#L495 assume !(1 == ~c2_pc~0); 841#L504 assume !(1 == ~wb_pc~0); 897#L513 assume !(1 == ~e_c~0); 818#L522-1 assume !(1 == ~e_e~0); 819#L527-1 assume !(1 == ~e_f~0); 859#L532-1 assume !(1 == ~e_g~0); 860#L537-1 assume !(1 == ~e_c~0); 881#L542-1 assume !(1 == ~e_wl~0); 796#L684-1 [2022-11-21 16:08:17,515 INFO L750 eck$LassoCheckResult]: Loop: 796#L684-1 assume !false; 915#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 823#L389 assume !false; 824#L307 assume !(0 == ~wl_st~0); 876#L311 assume !(0 == ~c1_st~0); 877#L314 assume !(0 == ~c2_st~0); 797#L317 assume !(0 == ~wb_st~0); 799#L320 assume !(0 == ~r_st~0); 900#L405 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 834#L560 assume !(1 == ~c_req_up~0); 836#L560-2 start_simulation_~kernel_st~0#1 := 3; 912#L572 assume 0 == ~e_f~0;~e_f~0 := 1; 832#L572-2 assume 0 == ~e_g~0;~e_g~0 := 1; 833#L577-1 assume !(0 == ~e_e~0); 852#L582-1 assume 0 == ~e_c~0;~e_c~0 := 1; 853#L587-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 867#L592-1 assume 1 == ~wl_pc~0; 882#L598 assume 1 == ~e_wl~0;~wl_st~0 := 0; 826#L605 assume !(1 == ~c1_pc~0); 802#L615 assume !(1 == ~c2_pc~0); 804#L624 assume !(1 == ~wb_pc~0); 873#L633 assume 1 == ~e_c~0;~r_st~0 := 0; 906#L642-1 assume 1 == ~e_e~0;~e_e~0 := 2; 842#L647-1 assume 1 == ~e_f~0;~e_f~0 := 2; 812#L652-1 assume !(1 == ~e_g~0); 813#L657-1 assume 1 == ~e_c~0;~e_c~0 := 2; 903#L662-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 904#L667-1 assume 0 == ~wl_st~0; 796#L684-1 [2022-11-21 16:08:17,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:17,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1738539627, now seen corresponding path program 1 times [2022-11-21 16:08:17,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:17,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097561183] [2022-11-21 16:08:17,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:17,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:17,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:17,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:17,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097561183] [2022-11-21 16:08:17,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097561183] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:08:17,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:08:17,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:08:17,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333371495] [2022-11-21 16:08:17,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:08:17,605 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-21 16:08:17,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:17,606 INFO L85 PathProgramCache]: Analyzing trace with hash 883328051, now seen corresponding path program 1 times [2022-11-21 16:08:17,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:17,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119679415] [2022-11-21 16:08:17,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:17,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:17,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:17,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:17,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119679415] [2022-11-21 16:08:17,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119679415] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:08:17,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:08:17,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:08:17,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120207553] [2022-11-21 16:08:17,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:08:17,669 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-21 16:08:17,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:08:17,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:08:17,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:08:17,670 INFO L87 Difference]: Start difference. First operand 126 states and 218 transitions. cyclomatic complexity: 93 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-11-21 16:08:17,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:08:17,701 INFO L93 Difference]: Finished difference Result 126 states and 217 transitions. [2022-11-21 16:08:17,701 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 217 transitions. [2022-11-21 16:08:17,702 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-11-21 16:08:17,704 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 126 states and 217 transitions. [2022-11-21 16:08:17,704 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 126 [2022-11-21 16:08:17,705 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 126 [2022-11-21 16:08:17,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 126 states and 217 transitions. [2022-11-21 16:08:17,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:08:17,706 INFO L218 hiAutomatonCegarLoop]: Abstraction has 126 states and 217 transitions. [2022-11-21 16:08:17,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states and 217 transitions. [2022-11-21 16:08:17,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2022-11-21 16:08:17,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 126 states have (on average 1.7222222222222223) internal successors, (217), 125 states have internal predecessors, (217), 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) [2022-11-21 16:08:17,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 217 transitions. [2022-11-21 16:08:17,715 INFO L240 hiAutomatonCegarLoop]: Abstraction has 126 states and 217 transitions. [2022-11-21 16:08:17,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:08:17,716 INFO L428 stractBuchiCegarLoop]: Abstraction has 126 states and 217 transitions. [2022-11-21 16:08:17,716 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-21 16:08:17,717 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 217 transitions. [2022-11-21 16:08:17,718 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-11-21 16:08:17,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:08:17,718 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:08:17,719 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] [2022-11-21 16:08:17,720 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] [2022-11-21 16:08:17,720 INFO L748 eck$LassoCheckResult]: Stem: 1177#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1130#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 1086#L416 assume !(1 == ~c_req_up~0); 1088#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1146#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1147#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1113#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1114#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1129#L447-1 assume !(0 == ~e_f~0); 1117#L452-1 assume !(0 == ~e_g~0); 1064#L457-1 assume !(0 == ~e_e~0); 1065#L462-1 assume !(0 == ~e_c~0); 1096#L467-1 assume !(0 == ~e_wl~0); 1097#L472-1 assume !(1 == ~wl_pc~0); 1172#L484 assume !(2 == ~wl_pc~0); 1168#L485 assume !(1 == ~c1_pc~0); 1098#L495 assume !(1 == ~c2_pc~0); 1100#L504 assume !(1 == ~wb_pc~0); 1156#L513 assume !(1 == ~e_c~0); 1077#L522-1 assume !(1 == ~e_e~0); 1078#L527-1 assume !(1 == ~e_f~0); 1118#L532-1 assume !(1 == ~e_g~0); 1119#L537-1 assume !(1 == ~e_c~0); 1140#L542-1 assume !(1 == ~e_wl~0); 1055#L684-1 [2022-11-21 16:08:17,720 INFO L750 eck$LassoCheckResult]: Loop: 1055#L684-1 assume !false; 1174#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 1082#L389 assume !false; 1083#L307 assume !(0 == ~wl_st~0); 1135#L311 assume !(0 == ~c1_st~0); 1136#L314 assume !(0 == ~c2_st~0); 1056#L317 assume !(0 == ~wb_st~0); 1058#L320 assume !(0 == ~r_st~0); 1159#L405 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 1093#L560 assume !(1 == ~c_req_up~0); 1095#L560-2 start_simulation_~kernel_st~0#1 := 3; 1171#L572 assume 0 == ~e_f~0;~e_f~0 := 1; 1091#L572-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1092#L577-1 assume !(0 == ~e_e~0); 1111#L582-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1112#L587-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1126#L592-1 assume 1 == ~wl_pc~0; 1141#L598 assume 1 == ~e_wl~0;~wl_st~0 := 0; 1085#L605 assume !(1 == ~c1_pc~0); 1061#L615 assume !(1 == ~c2_pc~0); 1063#L624 assume !(1 == ~wb_pc~0); 1132#L633 assume 1 == ~e_c~0;~r_st~0 := 0; 1165#L642-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1101#L647-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1071#L652-1 assume !(1 == ~e_g~0); 1072#L657-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1162#L662-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1163#L667-1 assume 0 == ~wl_st~0; 1055#L684-1 [2022-11-21 16:08:17,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:17,721 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 1 times [2022-11-21 16:08:17,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:17,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847832704] [2022-11-21 16:08:17,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:17,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:17,736 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:08:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:17,810 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:08:17,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:17,812 INFO L85 PathProgramCache]: Analyzing trace with hash 883328051, now seen corresponding path program 2 times [2022-11-21 16:08:17,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:17,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452231051] [2022-11-21 16:08:17,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:17,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:17,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:17,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:17,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452231051] [2022-11-21 16:08:17,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452231051] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:08:17,879 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:08:17,879 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:08:17,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364933776] [2022-11-21 16:08:17,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:08:17,882 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-21 16:08:17,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:08:17,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:08:17,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:08:17,884 INFO L87 Difference]: Start difference. First operand 126 states and 217 transitions. cyclomatic complexity: 92 Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-11-21 16:08:17,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:08:17,973 INFO L93 Difference]: Finished difference Result 160 states and 279 transitions. [2022-11-21 16:08:17,973 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160 states and 279 transitions. [2022-11-21 16:08:17,975 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 112 [2022-11-21 16:08:17,976 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160 states to 160 states and 279 transitions. [2022-11-21 16:08:17,977 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 160 [2022-11-21 16:08:17,977 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 160 [2022-11-21 16:08:17,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 160 states and 279 transitions. [2022-11-21 16:08:17,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:08:17,978 INFO L218 hiAutomatonCegarLoop]: Abstraction has 160 states and 279 transitions. [2022-11-21 16:08:17,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states and 279 transitions. [2022-11-21 16:08:17,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2022-11-21 16:08:17,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 160 states have (on average 1.74375) internal successors, (279), 159 states have internal predecessors, (279), 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) [2022-11-21 16:08:17,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 279 transitions. [2022-11-21 16:08:17,986 INFO L240 hiAutomatonCegarLoop]: Abstraction has 160 states and 279 transitions. [2022-11-21 16:08:17,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:08:17,999 INFO L428 stractBuchiCegarLoop]: Abstraction has 160 states and 279 transitions. [2022-11-21 16:08:18,000 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-21 16:08:18,000 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 160 states and 279 transitions. [2022-11-21 16:08:18,001 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 112 [2022-11-21 16:08:18,002 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:08:18,002 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:08:18,003 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] [2022-11-21 16:08:18,003 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] [2022-11-21 16:08:18,003 INFO L748 eck$LassoCheckResult]: Stem: 1473#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1425#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 1378#L416 assume !(1 == ~c_req_up~0); 1380#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1441#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1442#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1406#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1407#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1424#L447-1 assume !(0 == ~e_f~0); 1410#L452-1 assume 0 == ~e_g~0;~e_g~0 := 1; 1411#L457-1 assume !(0 == ~e_e~0); 1502#L462-1 assume !(0 == ~e_c~0); 1501#L467-1 assume !(0 == ~e_wl~0); 1500#L472-1 assume !(1 == ~wl_pc~0); 1498#L484 assume !(2 == ~wl_pc~0); 1496#L485 assume !(1 == ~c1_pc~0); 1391#L495 assume !(1 == ~c2_pc~0); 1393#L504 assume !(1 == ~wb_pc~0); 1451#L513 assume !(1 == ~e_c~0); 1369#L522-1 assume !(1 == ~e_e~0); 1370#L527-1 assume !(1 == ~e_f~0); 1412#L532-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1413#L537-1 assume !(1 == ~e_c~0); 1435#L542-1 assume !(1 == ~e_wl~0); 1347#L684-1 [2022-11-21 16:08:18,004 INFO L750 eck$LassoCheckResult]: Loop: 1347#L684-1 assume !false; 1470#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 1374#L389 assume !false; 1375#L307 assume !(0 == ~wl_st~0); 1430#L311 assume !(0 == ~c1_st~0); 1431#L314 assume !(0 == ~c2_st~0); 1348#L317 assume !(0 == ~wb_st~0); 1350#L320 assume !(0 == ~r_st~0); 1454#L405 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 1386#L560 assume !(1 == ~c_req_up~0); 1388#L560-2 start_simulation_~kernel_st~0#1 := 3; 1466#L572 assume 0 == ~e_f~0;~e_f~0 := 1; 1383#L572-2 assume 0 == ~e_g~0;~e_g~0 := 1; 1384#L577-1 assume !(0 == ~e_e~0); 1503#L582-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1420#L587-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1421#L592-1 assume !(1 == ~wl_pc~0); 1429#L604 assume !(2 == ~wl_pc~0); 1377#L605 assume !(1 == ~c1_pc~0); 1353#L615 assume !(1 == ~c2_pc~0); 1355#L624 assume !(1 == ~wb_pc~0); 1427#L633 assume 1 == ~e_c~0;~r_st~0 := 0; 1461#L642-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1394#L647-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1363#L652-1 assume 1 == ~e_g~0;~e_g~0 := 2; 1364#L657-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1457#L662-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1458#L667-1 assume 0 == ~wl_st~0; 1347#L684-1 [2022-11-21 16:08:18,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:18,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1535466835, now seen corresponding path program 1 times [2022-11-21 16:08:18,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:18,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171444198] [2022-11-21 16:08:18,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:18,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:18,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:18,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:18,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171444198] [2022-11-21 16:08:18,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171444198] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:08:18,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:08:18,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:08:18,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968626923] [2022-11-21 16:08:18,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:08:18,068 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-21 16:08:18,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:18,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1432528190, now seen corresponding path program 1 times [2022-11-21 16:08:18,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:18,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967957939] [2022-11-21 16:08:18,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:18,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:18,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:18,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:18,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967957939] [2022-11-21 16:08:18,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967957939] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:08:18,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:08:18,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 16:08:18,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339803391] [2022-11-21 16:08:18,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:08:18,102 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-21 16:08:18,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:08:18,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:08:18,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:08:18,103 INFO L87 Difference]: Start difference. First operand 160 states and 279 transitions. cyclomatic complexity: 120 Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2022-11-21 16:08:18,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:08:18,225 INFO L93 Difference]: Finished difference Result 226 states and 380 transitions. [2022-11-21 16:08:18,225 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 226 states and 380 transitions. [2022-11-21 16:08:18,228 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 177 [2022-11-21 16:08:18,230 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 226 states to 226 states and 380 transitions. [2022-11-21 16:08:18,231 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 226 [2022-11-21 16:08:18,231 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 226 [2022-11-21 16:08:18,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 226 states and 380 transitions. [2022-11-21 16:08:18,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:08:18,233 INFO L218 hiAutomatonCegarLoop]: Abstraction has 226 states and 380 transitions. [2022-11-21 16:08:18,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states and 380 transitions. [2022-11-21 16:08:18,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 215. [2022-11-21 16:08:18,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 215 states have (on average 1.697674418604651) internal successors, (365), 214 states have internal predecessors, (365), 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) [2022-11-21 16:08:18,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 365 transitions. [2022-11-21 16:08:18,245 INFO L240 hiAutomatonCegarLoop]: Abstraction has 215 states and 365 transitions. [2022-11-21 16:08:18,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:08:18,247 INFO L428 stractBuchiCegarLoop]: Abstraction has 215 states and 365 transitions. [2022-11-21 16:08:18,247 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-21 16:08:18,247 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 215 states and 365 transitions. [2022-11-21 16:08:18,249 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 177 [2022-11-21 16:08:18,249 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:08:18,249 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:08:18,251 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] [2022-11-21 16:08:18,251 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] [2022-11-21 16:08:18,251 INFO L748 eck$LassoCheckResult]: Stem: 1869#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 1818#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 1776#L416 assume !(1 == ~c_req_up~0); 1778#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 1834#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 1835#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 1801#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 1802#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 1817#L447-1 assume !(0 == ~e_f~0); 1808#L452-1 assume !(0 == ~e_g~0); 1752#L457-1 assume !(0 == ~e_e~0); 1753#L462-1 assume !(0 == ~e_c~0); 1784#L467-1 assume !(0 == ~e_wl~0); 1785#L472-1 assume !(1 == ~wl_pc~0); 1862#L484 assume !(2 == ~wl_pc~0); 1858#L485 assume !(1 == ~c1_pc~0); 1786#L495 assume !(1 == ~c2_pc~0); 1788#L504 assume !(1 == ~wb_pc~0); 1844#L513 assume !(1 == ~e_c~0); 1876#L522-1 assume !(1 == ~e_e~0); 1874#L527-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1873#L532-1 assume !(1 == ~e_g~0); 1806#L537-1 assume !(1 == ~e_c~0); 1828#L542-1 assume !(1 == ~e_wl~0); 1746#L684-1 [2022-11-21 16:08:18,252 INFO L750 eck$LassoCheckResult]: Loop: 1746#L684-1 assume !false; 1864#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 1770#L389 assume !false; 1771#L307 assume !(0 == ~wl_st~0); 1823#L311 assume !(0 == ~c1_st~0); 1824#L314 assume !(0 == ~c2_st~0); 1742#L317 assume !(0 == ~wb_st~0); 1744#L320 assume !(0 == ~r_st~0); 1848#L405 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 1781#L560 assume !(1 == ~c_req_up~0); 1783#L560-2 start_simulation_~kernel_st~0#1 := 3; 1860#L572 assume 0 == ~e_f~0;~e_f~0 := 1; 1779#L572-2 assume !(0 == ~e_g~0); 1780#L577-1 assume !(0 == ~e_e~0); 1799#L582-1 assume 0 == ~e_c~0;~e_c~0 := 1; 1800#L587-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 1814#L592-1 assume 1 == ~wl_pc~0; 1829#L598 assume 1 == ~e_wl~0;~wl_st~0 := 0; 1773#L605 assume !(1 == ~c1_pc~0); 1749#L615 assume !(1 == ~c2_pc~0); 1751#L624 assume !(1 == ~wb_pc~0); 1820#L633 assume 1 == ~e_c~0;~r_st~0 := 0; 1870#L642-1 assume 1 == ~e_e~0;~e_e~0 := 2; 1872#L647-1 assume 1 == ~e_f~0;~e_f~0 := 2; 1871#L652-1 assume !(1 == ~e_g~0); 1760#L657-1 assume 1 == ~e_c~0;~e_c~0 := 2; 1851#L662-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 1852#L667-1 assume 0 == ~wl_st~0; 1746#L684-1 [2022-11-21 16:08:18,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:18,252 INFO L85 PathProgramCache]: Analyzing trace with hash 255545497, now seen corresponding path program 1 times [2022-11-21 16:08:18,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:18,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891451646] [2022-11-21 16:08:18,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:18,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:18,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:18,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:18,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891451646] [2022-11-21 16:08:18,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891451646] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:08:18,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:08:18,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:08:18,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718040930] [2022-11-21 16:08:18,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:08:18,337 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-21 16:08:18,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:18,338 INFO L85 PathProgramCache]: Analyzing trace with hash -137740303, now seen corresponding path program 1 times [2022-11-21 16:08:18,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:18,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393522384] [2022-11-21 16:08:18,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:18,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:18,349 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:08:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:18,368 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:08:18,899 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:08:18,900 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:08:18,900 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:08:18,900 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:08:18,900 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 16:08:18,901 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:18,901 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:08:18,901 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:08:18,901 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration7_Loop [2022-11-21 16:08:18,902 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:08:18,902 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:08:18,927 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:18,944 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:18,949 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:18,956 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:18,959 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:18,964 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:18,968 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:18,976 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:18,980 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:18,983 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:18,987 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:18,990 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:18,993 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:18,996 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,007 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,011 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,018 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,022 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,026 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,033 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,036 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,040 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,043 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,046 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,062 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,065 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,427 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:08:19,427 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 16:08:19,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:19,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:19,435 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:19,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-21 16:08:19,439 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:08:19,439 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:08:19,483 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 16:08:19,483 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Honda state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 16:08:19,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:19,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:19,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:19,513 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:19,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-21 16:08:19,519 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:08:19,519 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:08:19,552 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 16:08:19,552 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 16:08:19,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:19,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:19,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:19,568 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:19,582 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:08:19,582 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:08:19,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-21 16:08:19,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:19,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:19,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:19,636 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:19,653 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 16:08:19,653 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:08:19,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-21 16:08:19,699 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-21 16:08:19,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:19,722 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:08:19,722 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:08:19,722 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:08:19,722 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:08:19,722 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 16:08:19,722 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:19,722 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:08:19,722 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:08:19,722 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration7_Loop [2022-11-21 16:08:19,723 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:08:19,723 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:08:19,725 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,730 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,737 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,741 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,756 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,760 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,768 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,772 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,775 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,794 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,798 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,801 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,804 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,812 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,816 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,820 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,834 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,852 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,856 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,863 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,866 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,870 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,874 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,877 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,888 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:19,891 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:20,221 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:08:20,228 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 16:08:20,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:20,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:20,233 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:20,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:08:20,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-21 16:08:20,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:08:20,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:08:20,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:08:20,261 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 16:08:20,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:08:20,264 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 16:08:20,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:08:20,274 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:08:20,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:20,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:20,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:20,288 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:20,300 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:08:20,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-21 16:08:20,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:08:20,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:08:20,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:08:20,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:08:20,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:08:20,318 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:08:20,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:08:20,335 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 16:08:20,339 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-21 16:08:20,339 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-21 16:08:20,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:20,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:20,383 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:20,392 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 16:08:20,392 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-21 16:08:20,393 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 16:08:20,393 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] [2022-11-21 16:08:20,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-21 16:08:20,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:20,405 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-21 16:08:20,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:20,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 16:08:20,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:08:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:20,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:08:20,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:08:20,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:20,670 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-21 16:08:20,672 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 215 states and 365 transitions. cyclomatic complexity: 152 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2022-11-21 16:08:20,785 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 215 states and 365 transitions. cyclomatic complexity: 152. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 758 states and 1283 transitions. Complement of second has 5 states. [2022-11-21 16:08:20,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-21 16:08:20,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2022-11-21 16:08:20,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 374 transitions. [2022-11-21 16:08:20,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 374 transitions. Stem has 24 letters. Loop has 28 letters. [2022-11-21 16:08:20,792 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:08:20,793 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 374 transitions. Stem has 52 letters. Loop has 28 letters. [2022-11-21 16:08:20,793 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:08:20,794 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 374 transitions. Stem has 24 letters. Loop has 56 letters. [2022-11-21 16:08:20,795 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:08:20,795 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 758 states and 1283 transitions. [2022-11-21 16:08:20,804 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 531 [2022-11-21 16:08:20,810 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 758 states to 758 states and 1283 transitions. [2022-11-21 16:08:20,810 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 571 [2022-11-21 16:08:20,811 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 577 [2022-11-21 16:08:20,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 758 states and 1283 transitions. [2022-11-21 16:08:20,812 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 16:08:20,812 INFO L218 hiAutomatonCegarLoop]: Abstraction has 758 states and 1283 transitions. [2022-11-21 16:08:20,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states and 1283 transitions. [2022-11-21 16:08:20,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 575. [2022-11-21 16:08:20,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 575 states have (on average 1.6956521739130435) internal successors, (975), 574 states have internal predecessors, (975), 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) [2022-11-21 16:08:20,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 975 transitions. [2022-11-21 16:08:20,871 INFO L240 hiAutomatonCegarLoop]: Abstraction has 575 states and 975 transitions. [2022-11-21 16:08:20,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:08:20,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:08:20,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-11-21 16:08:20,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:08:20,875 INFO L87 Difference]: Start difference. First operand 575 states and 975 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2022-11-21 16:08:21,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:08:21,012 INFO L93 Difference]: Finished difference Result 1195 states and 1962 transitions. [2022-11-21 16:08:21,013 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1195 states and 1962 transitions. [2022-11-21 16:08:21,024 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 732 [2022-11-21 16:08:21,033 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1195 states to 1195 states and 1962 transitions. [2022-11-21 16:08:21,034 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 818 [2022-11-21 16:08:21,035 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 818 [2022-11-21 16:08:21,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1195 states and 1962 transitions. [2022-11-21 16:08:21,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 16:08:21,036 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1195 states and 1962 transitions. [2022-11-21 16:08:21,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1195 states and 1962 transitions. [2022-11-21 16:08:21,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1195 to 1174. [2022-11-21 16:08:21,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1174 states, 1174 states have (on average 1.6507666098807496) internal successors, (1938), 1173 states have internal predecessors, (1938), 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) [2022-11-21 16:08:21,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1938 transitions. [2022-11-21 16:08:21,069 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1174 states and 1938 transitions. [2022-11-21 16:08:21,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:08:21,076 INFO L428 stractBuchiCegarLoop]: Abstraction has 1174 states and 1938 transitions. [2022-11-21 16:08:21,077 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-21 16:08:21,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1174 states and 1938 transitions. [2022-11-21 16:08:21,085 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 730 [2022-11-21 16:08:21,085 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:08:21,085 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:08:21,088 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] [2022-11-21 16:08:21,088 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] [2022-11-21 16:08:21,089 INFO L748 eck$LassoCheckResult]: Stem: 4950#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 4809#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 4728#L416 assume !(1 == ~c_req_up~0); 4730#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 4991#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 4990#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 4989#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 4988#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 4987#L447-1 assume !(0 == ~e_f~0); 4986#L452-1 assume !(0 == ~e_g~0); 4985#L457-1 assume !(0 == ~e_e~0); 4984#L462-1 assume 0 == ~e_c~0;~e_c~0 := 1; 4746#L467-1 assume !(0 == ~e_wl~0); 4747#L472-1 assume !(1 == ~wl_pc~0); 4926#L484 assume !(2 == ~wl_pc~0); 4917#L485 assume !(1 == ~c1_pc~0); 4901#L495 assume !(1 == ~c2_pc~0); 4883#L504 assume !(1 == ~wb_pc~0); 4884#L513 assume !(1 == ~e_c~0); 4975#L522-1 assume !(1 == ~e_e~0); 4972#L527-1 assume !(1 == ~e_f~0); 4969#L532-1 assume 1 == ~e_g~0;~e_g~0 := 2; 4788#L537-1 assume !(1 == ~e_c~0); 5093#L542-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 5129#L684-1 [2022-11-21 16:08:21,089 INFO L750 eck$LassoCheckResult]: Loop: 5129#L684-1 assume !false; 5497#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 5496#L389 assume !false; 5495#L307 assume !(0 == ~wl_st~0); 5494#L311 assume !(0 == ~c1_st~0); 5493#L314 assume !(0 == ~c2_st~0); 5492#L317 assume !(0 == ~wb_st~0); 5288#L320 assume !(0 == ~r_st~0); 5286#L405 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 5281#L560 assume !(1 == ~c_req_up~0); 5278#L560-2 start_simulation_~kernel_st~0#1 := 3; 5275#L572 assume 0 == ~e_f~0;~e_f~0 := 1; 5273#L572-2 assume !(0 == ~e_g~0); 5271#L577-1 assume !(0 == ~e_e~0); 5268#L582-1 assume 0 == ~e_c~0;~e_c~0 := 1; 5266#L587-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 5267#L592-1 assume 1 == ~wl_pc~0; 5520#L598 assume 1 == ~e_wl~0;~wl_st~0 := 0; 5518#L605 assume !(1 == ~c1_pc~0); 5258#L615 assume !(1 == ~c2_pc~0); 5256#L624 assume !(1 == ~wb_pc~0); 5424#L633 assume 1 == ~e_c~0;~r_st~0 := 0; 5248#L642-1 assume 1 == ~e_e~0;~e_e~0 := 2; 5249#L647-1 assume 1 == ~e_f~0;~e_f~0 := 2; 5389#L652-1 assume !(1 == ~e_g~0); 5386#L657-1 assume 1 == ~e_c~0;~e_c~0 := 2; 5387#L662-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 5515#L667-1 assume 0 == ~wl_st~0; 5129#L684-1 [2022-11-21 16:08:21,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:21,090 INFO L85 PathProgramCache]: Analyzing trace with hash 842409169, now seen corresponding path program 1 times [2022-11-21 16:08:21,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:21,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707874428] [2022-11-21 16:08:21,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:21,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:21,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:21,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:21,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707874428] [2022-11-21 16:08:21,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707874428] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:08:21,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:08:21,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:08:21,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347228713] [2022-11-21 16:08:21,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:08:21,175 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-21 16:08:21,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:21,176 INFO L85 PathProgramCache]: Analyzing trace with hash -137740303, now seen corresponding path program 2 times [2022-11-21 16:08:21,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:21,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070558607] [2022-11-21 16:08:21,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:21,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:21,183 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:08:21,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:21,191 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:08:21,577 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:08:21,577 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:08:21,577 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:08:21,577 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:08:21,578 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 16:08:21,578 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:21,578 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:08:21,578 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:08:21,578 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration8_Loop [2022-11-21 16:08:21,578 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:08:21,578 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:08:21,588 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:21,592 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:21,596 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:21,600 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:21,605 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:21,608 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:21,615 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:21,619 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:21,624 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:21,629 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:21,636 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:21,643 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:21,652 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:21,657 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:21,664 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:21,667 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:21,674 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:21,678 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:21,682 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:21,686 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:21,689 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:21,692 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:21,696 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:21,699 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:21,703 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:21,711 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:21,989 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:08:21,989 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 16:08:21,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:21,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:21,991 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:21,995 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:08:21,995 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:08:22,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-21 16:08:22,021 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 16:08:22,021 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 16:08:22,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:22,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:22,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:22,029 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:22,041 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:08:22,041 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:08:22,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-21 16:08:22,065 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 16:08:22,065 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Honda state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 16:08:22,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:22,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:22,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:22,072 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:22,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-21 16:08:22,080 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:08:22,080 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:08:22,107 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 16:08:22,107 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp~0#1=0} Honda state: {ULTIMATE.start_eval_~tmp~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 16:08:22,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:22,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:22,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:22,114 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:22,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-21 16:08:22,121 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:08:22,123 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:08:22,155 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 16:08:22,155 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 16:08:22,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:22,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:22,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:22,162 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:22,173 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:08:22,173 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:08:22,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-21 16:08:22,207 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 16:08:22,207 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_~tmp___0~0#1=0} Honda state: {ULTIMATE.start_eval_~tmp___0~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 16:08:22,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:22,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:22,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:22,218 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:22,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-21 16:08:22,227 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:08:22,227 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:08:22,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:22,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:22,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:22,263 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:22,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-21 16:08:22,268 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 16:08:22,268 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:08:22,299 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-21 16:08:22,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:22,308 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:08:22,309 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:08:22,309 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:08:22,309 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:08:22,309 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 16:08:22,309 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:22,309 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:08:22,309 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:08:22,309 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration8_Loop [2022-11-21 16:08:22,309 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:08:22,309 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:08:22,311 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:22,316 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:22,320 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:22,322 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:22,324 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:22,327 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:22,349 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:22,352 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:22,357 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:22,360 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:22,363 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:22,369 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:22,375 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:22,378 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:22,384 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:22,390 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:22,393 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:22,396 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:22,401 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:22,404 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:22,407 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:22,410 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:22,412 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:22,415 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:22,420 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:22,426 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:22,683 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:08:22,683 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 16:08:22,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:22,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:22,685 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:22,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:08:22,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-21 16:08:22,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:08:22,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:08:22,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:08:22,710 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 16:08:22,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:08:22,711 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 16:08:22,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:08:22,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:08:22,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:22,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:22,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:22,728 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:22,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:08:22,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-21 16:08:22,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:08:22,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:08:22,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:08:22,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:08:22,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:08:22,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:08:22,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:08:22,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:08:22,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:22,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:22,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:22,782 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:22,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:08:22,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-21 16:08:22,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:08:22,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:08:22,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:08:22,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:08:22,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:08:22,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:08:22,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:08:22,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:08:22,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:22,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:22,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:22,833 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:22,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-21 16:08:22,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:08:22,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:08:22,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:08:22,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:08:22,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:08:22,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:08:22,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:08:22,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:08:22,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:08:22,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:22,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:22,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:22,887 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:22,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-21 16:08:22,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:08:22,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:08:22,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:08:22,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:08:22,904 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 16:08:22,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:08:22,906 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 16:08:22,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:08:22,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:08:22,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:22,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:22,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:22,925 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:22,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-21 16:08:22,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:08:22,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:08:22,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:08:22,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:08:22,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:08:22,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:08:22,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:08:22,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:08:22,965 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 16:08:22,969 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-21 16:08:22,969 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-21 16:08:22,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:22,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:22,972 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:22,985 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 16:08:22,985 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-21 16:08:22,986 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 16:08:22,986 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] [2022-11-21 16:08:22,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-21 16:08:22,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:22,997 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-21 16:08:23,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:23,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 16:08:23,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:08:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:23,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:08:23,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:08:23,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:23,184 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-21 16:08:23,184 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1174 states and 1938 transitions. cyclomatic complexity: 776 Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2022-11-21 16:08:23,246 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1174 states and 1938 transitions. cyclomatic complexity: 776. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1955 states and 3238 transitions. Complement of second has 5 states. [2022-11-21 16:08:23,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-21 16:08:23,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 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) [2022-11-21 16:08:23,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 371 transitions. [2022-11-21 16:08:23,249 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 371 transitions. Stem has 24 letters. Loop has 28 letters. [2022-11-21 16:08:23,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:08:23,251 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 371 transitions. Stem has 52 letters. Loop has 28 letters. [2022-11-21 16:08:23,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:08:23,251 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 371 transitions. Stem has 24 letters. Loop has 56 letters. [2022-11-21 16:08:23,252 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:08:23,252 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1955 states and 3238 transitions. [2022-11-21 16:08:23,267 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 1128 [2022-11-21 16:08:23,279 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1955 states to 1955 states and 3238 transitions. [2022-11-21 16:08:23,279 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1206 [2022-11-21 16:08:23,281 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1215 [2022-11-21 16:08:23,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1955 states and 3238 transitions. [2022-11-21 16:08:23,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 16:08:23,283 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1955 states and 3238 transitions. [2022-11-21 16:08:23,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1955 states and 3238 transitions. [2022-11-21 16:08:23,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1955 to 1008. [2022-11-21 16:08:23,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1008 states, 1008 states have (on average 1.6547619047619047) internal successors, (1668), 1007 states have internal predecessors, (1668), 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) [2022-11-21 16:08:23,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1668 transitions. [2022-11-21 16:08:23,313 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1008 states and 1668 transitions. [2022-11-21 16:08:23,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:08:23,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:08:23,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:08:23,314 INFO L87 Difference]: Start difference. First operand 1008 states and 1668 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2022-11-21 16:08:23,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:08:23,424 INFO L93 Difference]: Finished difference Result 1032 states and 1681 transitions. [2022-11-21 16:08:23,424 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1032 states and 1681 transitions. [2022-11-21 16:08:23,432 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 579 [2022-11-21 16:08:23,438 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1032 states to 1032 states and 1681 transitions. [2022-11-21 16:08:23,439 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 659 [2022-11-21 16:08:23,440 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 659 [2022-11-21 16:08:23,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1032 states and 1681 transitions. [2022-11-21 16:08:23,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 16:08:23,440 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1032 states and 1681 transitions. [2022-11-21 16:08:23,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states and 1681 transitions. [2022-11-21 16:08:23,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 942. [2022-11-21 16:08:23,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 942 states, 942 states have (on average 1.6358811040339702) internal successors, (1541), 941 states have internal predecessors, (1541), 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) [2022-11-21 16:08:23,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1541 transitions. [2022-11-21 16:08:23,461 INFO L240 hiAutomatonCegarLoop]: Abstraction has 942 states and 1541 transitions. [2022-11-21 16:08:23,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 16:08:23,462 INFO L428 stractBuchiCegarLoop]: Abstraction has 942 states and 1541 transitions. [2022-11-21 16:08:23,462 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-21 16:08:23,462 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 942 states and 1541 transitions. [2022-11-21 16:08:23,467 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 579 [2022-11-21 16:08:23,468 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:08:23,468 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:08:23,469 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] [2022-11-21 16:08:23,469 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] [2022-11-21 16:08:23,471 INFO L748 eck$LassoCheckResult]: Stem: 10279#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 10153#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 10075#L416 assume !(1 == ~c_req_up~0); 10077#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 10269#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 10288#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 10119#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 10120#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 10264#L447-1 assume !(0 == ~e_f~0); 10129#L452-1 assume !(0 == ~e_g~0); 10130#L457-1 assume !(0 == ~e_e~0); 10275#L462-1 assume !(0 == ~e_c~0); 10276#L467-1 assume !(0 == ~e_wl~0); 10259#L472-1 assume !(1 == ~wl_pc~0); 10260#L484 assume !(2 == ~wl_pc~0); 10252#L485 assume !(1 == ~c1_pc~0); 10234#L495 assume !(1 == ~c2_pc~0); 10215#L504 assume !(1 == ~wb_pc~0); 10216#L513 assume !(1 == ~e_c~0); 10293#L522-1 assume !(1 == ~e_e~0); 10294#L527-1 assume !(1 == ~e_f~0); 10289#L532-1 assume 1 == ~e_g~0;~e_g~0 := 2; 10132#L537-1 assume !(1 == ~e_c~0); 10174#L542-1 assume !(1 == ~e_wl~0); 10175#L684-1 assume !false; 10551#L554 [2022-11-21 16:08:23,471 INFO L750 eck$LassoCheckResult]: Loop: 10551#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 10550#L389 assume !false; 10549#L307 assume !(0 == ~wl_st~0); 10548#L311 assume !(0 == ~c1_st~0); 10547#L314 assume !(0 == ~c2_st~0); 10546#L317 assume !(0 == ~wb_st~0); 10544#L320 assume !(0 == ~r_st~0); 10543#L405 assume { :end_inline_eval } true;start_simulation_~kernel_st~0#1 := 2; 10541#L560 assume !(1 == ~c_req_up~0); 10542#L560-2 start_simulation_~kernel_st~0#1 := 3; 10628#L572 assume !(0 == ~e_f~0); 10627#L572-2 assume !(0 == ~e_g~0); 10625#L577-1 assume !(0 == ~e_e~0); 10619#L582-1 assume !(0 == ~e_c~0); 10618#L587-1 assume 0 == ~e_wl~0;~e_wl~0 := 1; 10617#L592-1 assume 1 == ~wl_pc~0; 10615#L598 assume 1 == ~e_wl~0;~wl_st~0 := 0; 10612#L605 assume !(1 == ~c1_pc~0); 10611#L615 assume !(1 == ~c2_pc~0); 10609#L624 assume !(1 == ~wb_pc~0); 10590#L633 assume !(1 == ~e_c~0); 10608#L642-1 assume 1 == ~e_e~0;~e_e~0 := 2; 10607#L647-1 assume !(1 == ~e_f~0); 10579#L652-1 assume !(1 == ~e_g~0); 10578#L657-1 assume !(1 == ~e_c~0); 10577#L662-1 assume 1 == ~e_wl~0;~e_wl~0 := 2; 10564#L667-1 assume 0 == ~wl_st~0; 10556#L684-1 assume !false; 10551#L554 [2022-11-21 16:08:23,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:23,472 INFO L85 PathProgramCache]: Analyzing trace with hash -666236546, now seen corresponding path program 1 times [2022-11-21 16:08:23,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:23,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761908693] [2022-11-21 16:08:23,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:23,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:23,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:23,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:23,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761908693] [2022-11-21 16:08:23,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761908693] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:08:23,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:08:23,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 16:08:23,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4832514] [2022-11-21 16:08:23,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:08:23,517 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-21 16:08:23,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:23,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1464581643, now seen corresponding path program 1 times [2022-11-21 16:08:23,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:23,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047102820] [2022-11-21 16:08:23,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:23,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:23,522 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:08:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:23,528 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:08:23,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:23,801 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:08:23,801 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:08:23,801 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:08:23,801 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:08:23,801 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 16:08:23,801 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:23,802 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:08:23,802 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:08:23,802 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration9_Loop [2022-11-21 16:08:23,802 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:08:23,802 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:08:23,811 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:23,814 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:23,817 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:23,819 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:23,822 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:23,825 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:23,828 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:23,833 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:23,836 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:23,839 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:23,844 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:23,846 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:23,848 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:23,854 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:23,857 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:23,859 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:23,862 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:23,864 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:23,867 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:23,869 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:23,873 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:23,876 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:23,881 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:23,884 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:23,901 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:23,909 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:24,308 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:08:24,308 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 16:08:24,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:24,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:24,328 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:24,353 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:08:24,353 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:08:24,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-21 16:08:24,384 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 16:08:24,384 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~r_st~0=-1} Honda state: {~r_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 16:08:24,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:24,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:24,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:24,397 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:24,404 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:08:24,404 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:08:24,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-21 16:08:24,436 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 16:08:24,436 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Honda state: {ULTIMATE.start_start_simulation_~kernel_st~0#1=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 16:08:24,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:24,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:24,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:24,448 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:24,456 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:08:24,456 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:08:24,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-21 16:08:24,487 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 16:08:24,487 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_eval_#t~nondet6#1=0} Honda state: {ULTIMATE.start_eval_#t~nondet6#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 16:08:24,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:24,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:24,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:24,495 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:24,501 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:08:24,501 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:08:24,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-21 16:08:24,531 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 16:08:24,531 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 16:08:24,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:24,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:24,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:24,536 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:24,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-21 16:08:24,540 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:08:24,540 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:08:24,579 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 16:08:24,579 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 16:08:24,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:24,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:24,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:24,592 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:24,600 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:08:24,601 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:08:24,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-21 16:08:24,628 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 16:08:24,628 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~wb_st~0=-1} Honda state: {~wb_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 16:08:24,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:24,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:24,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:24,636 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:24,641 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:08:24,642 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:08:24,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-21 16:08:24,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:24,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:24,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:24,664 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:24,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-21 16:08:24,669 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 16:08:24,669 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:08:24,739 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-21 16:08:24,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-11-21 16:08:24,743 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:08:24,743 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:08:24,743 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:08:24,744 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:08:24,744 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 16:08:24,744 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:24,744 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:08:24,744 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:08:24,744 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration9_Loop [2022-11-21 16:08:24,744 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:08:24,744 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:08:24,746 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:24,754 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:24,758 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:24,760 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:24,764 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:24,767 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:24,771 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:24,778 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:24,782 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:24,784 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:24,787 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:24,793 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:24,796 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:24,802 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:24,804 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:24,808 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:24,810 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:24,813 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:24,816 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:24,819 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:24,822 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:24,825 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:24,831 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:24,837 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:24,840 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:24,842 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:08:25,135 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:08:25,135 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 16:08:25,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:25,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:25,145 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:25,156 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:08:25,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-21 16:08:25,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:08:25,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:08:25,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:08:25,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:08:25,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:08:25,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:08:25,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:08:25,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:08:25,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:25,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:25,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:25,197 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:25,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:08:25,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-21 16:08:25,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:08:25,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:08:25,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:08:25,220 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 16:08:25,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:08:25,222 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 16:08:25,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:08:25,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:08:25,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:25,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:25,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:25,251 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:25,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:08:25,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-21 16:08:25,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:08:25,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:08:25,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:08:25,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:08:25,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:08:25,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:08:25,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:08:25,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:08:25,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:25,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:25,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:25,303 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:25,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:08:25,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-21 16:08:25,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:08:25,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:08:25,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:08:25,323 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 16:08:25,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:08:25,325 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 16:08:25,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:08:25,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:08:25,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:25,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:25,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:25,351 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:25,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:08:25,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-21 16:08:25,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:08:25,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:08:25,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:08:25,373 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 16:08:25,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:08:25,374 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 16:08:25,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:08:25,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:08:25,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:25,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:25,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:25,403 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:25,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:08:25,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-21 16:08:25,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:08:25,426 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:08:25,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:08:25,426 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 16:08:25,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:08:25,427 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 16:08:25,427 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:08:25,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:08:25,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:25,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:25,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:25,455 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:25,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:08:25,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-21 16:08:25,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:08:25,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:08:25,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:08:25,477 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 16:08:25,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:08:25,479 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 16:08:25,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:08:25,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:08:25,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:25,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:25,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:25,511 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:25,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:08:25,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-21 16:08:25,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:08:25,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:08:25,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:08:25,532 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-21 16:08:25,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:08:25,533 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-21 16:08:25,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:08:25,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:08:25,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:25,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:25,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:25,563 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:25,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:08:25,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-21 16:08:25,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:08:25,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:08:25,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:08:25,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:08:25,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:08:25,585 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:08:25,586 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:08:25,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:08:25,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:25,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:25,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:25,615 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:25,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-21 16:08:25,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:08:25,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:08:25,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:08:25,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:08:25,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:08:25,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:08:25,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:08:25,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:08:25,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:08:25,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:25,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:25,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:25,659 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:25,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-21 16:08:25,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-21 16:08:25,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:08:25,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:08:25,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:08:25,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:08:25,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:08:25,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:08:25,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:08:25,707 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 16:08:25,710 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-21 16:08:25,711 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-21 16:08:25,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:08:25,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:08:25,712 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:08:25,718 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 16:08:25,718 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-21 16:08:25,718 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 16:08:25,718 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_e~0) = -2*~e_e~0 + 3 Supporting invariants [] [2022-11-21 16:08:25,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-21 16:08:25,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:25,730 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-21 16:08:25,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:25,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-21 16:08:25,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:08:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:25,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:08:25,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:08:25,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:25,962 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-21 16:08:25,962 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 942 states and 1541 transitions. cyclomatic complexity: 608 Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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) [2022-11-21 16:08:26,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-21 16:08:26,050 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 942 states and 1541 transitions. cyclomatic complexity: 608. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2635 states and 4302 transitions. Complement of second has 5 states. [2022-11-21 16:08:26,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-21 16:08:26,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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) [2022-11-21 16:08:26,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 204 transitions. [2022-11-21 16:08:26,052 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 204 transitions. Stem has 25 letters. Loop has 28 letters. [2022-11-21 16:08:26,053 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:08:26,053 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 204 transitions. Stem has 53 letters. Loop has 28 letters. [2022-11-21 16:08:26,053 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:08:26,053 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 204 transitions. Stem has 25 letters. Loop has 56 letters. [2022-11-21 16:08:26,054 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:08:26,054 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2635 states and 4302 transitions. [2022-11-21 16:08:26,078 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 1122 [2022-11-21 16:08:26,097 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2635 states to 2635 states and 4302 transitions. [2022-11-21 16:08:26,097 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1202 [2022-11-21 16:08:26,099 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1223 [2022-11-21 16:08:26,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2635 states and 4302 transitions. [2022-11-21 16:08:26,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 16:08:26,100 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2635 states and 4302 transitions. [2022-11-21 16:08:26,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2635 states and 4302 transitions. [2022-11-21 16:08:26,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2635 to 2614. [2022-11-21 16:08:26,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2614 states, 2614 states have (on average 1.632364192807957) internal successors, (4267), 2613 states have internal predecessors, (4267), 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) [2022-11-21 16:08:26,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2614 states to 2614 states and 4267 transitions. [2022-11-21 16:08:26,176 INFO L240 hiAutomatonCegarLoop]: Abstraction has 2614 states and 4267 transitions. [2022-11-21 16:08:26,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:08:26,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 16:08:26,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 16:08:26,177 INFO L87 Difference]: Start difference. First operand 2614 states and 4267 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 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) [2022-11-21 16:08:26,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:08:26,296 INFO L93 Difference]: Finished difference Result 3358 states and 5390 transitions. [2022-11-21 16:08:26,296 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3358 states and 5390 transitions. [2022-11-21 16:08:26,326 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 1296 [2022-11-21 16:08:26,350 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3358 states to 3358 states and 5390 transitions. [2022-11-21 16:08:26,350 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1360 [2022-11-21 16:08:26,352 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1360 [2022-11-21 16:08:26,354 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3358 states and 5390 transitions. [2022-11-21 16:08:26,354 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 16:08:26,354 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3358 states and 5390 transitions. [2022-11-21 16:08:26,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3358 states and 5390 transitions. [2022-11-21 16:08:26,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3358 to 3358. [2022-11-21 16:08:26,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3358 states, 3358 states have (on average 1.6051220964860036) internal successors, (5390), 3357 states have internal predecessors, (5390), 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) [2022-11-21 16:08:26,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3358 states to 3358 states and 5390 transitions. [2022-11-21 16:08:26,452 INFO L240 hiAutomatonCegarLoop]: Abstraction has 3358 states and 5390 transitions. [2022-11-21 16:08:26,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 16:08:26,455 INFO L428 stractBuchiCegarLoop]: Abstraction has 3358 states and 5390 transitions. [2022-11-21 16:08:26,455 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-21 16:08:26,455 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3358 states and 5390 transitions. [2022-11-21 16:08:26,478 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 1296 [2022-11-21 16:08:26,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:08:26,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:08:26,483 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] [2022-11-21 16:08:26,483 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:08:26,483 INFO L748 eck$LassoCheckResult]: Stem: 20012#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 19886#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 19806#L416 assume !(1 == ~c_req_up~0); 19808#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 19924#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 19925#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 19947#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 19884#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 19885#L447-1 assume !(0 == ~e_f~0); 20030#L452-1 assume !(0 == ~e_g~0); 19766#L457-1 assume !(0 == ~e_e~0); 19767#L462-1 assume !(0 == ~e_c~0); 19822#L467-1 assume !(0 == ~e_wl~0); 19823#L472-1 assume !(1 == ~wl_pc~0); 20025#L484 assume !(2 == ~wl_pc~0); 19978#L485 assume !(1 == ~c1_pc~0); 19824#L495 assume !(1 == ~c2_pc~0); 19826#L504 assume !(1 == ~wb_pc~0); 19950#L513 assume !(1 == ~e_c~0); 19983#L522-1 assume !(1 == ~e_e~0); 19993#L527-1 assume !(1 == ~e_f~0); 19862#L532-1 assume !(1 == ~e_g~0); 19863#L537-1 assume !(1 == ~e_c~0); 19910#L542-1 assume !(1 == ~e_wl~0); 19911#L684-1 assume !false; 20658#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 21495#L389 [2022-11-21 16:08:26,483 INFO L750 eck$LassoCheckResult]: Loop: 21495#L389 assume !false; 22101#L307 assume 0 == ~wl_st~0; 22098#L320-1 assume !(0 == ~wl_st~0); 22097#L329 assume !(0 == ~c1_st~0); 22138#L344 assume !(0 == ~c2_st~0); 22134#L359 assume !(0 == ~wb_st~0); 22130#L374 assume !(0 == ~r_st~0); 21495#L389 [2022-11-21 16:08:26,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:26,484 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 1 times [2022-11-21 16:08:26,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:26,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205256159] [2022-11-21 16:08:26,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:26,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:26,498 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:08:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:26,521 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:08:26,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:26,523 INFO L85 PathProgramCache]: Analyzing trace with hash 129447733, now seen corresponding path program 1 times [2022-11-21 16:08:26,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:26,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082996650] [2022-11-21 16:08:26,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:26,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:26,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:26,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:26,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082996650] [2022-11-21 16:08:26,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082996650] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:08:26,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:08:26,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:08:26,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003743679] [2022-11-21 16:08:26,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:08:26,539 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-21 16:08:26,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:08:26,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:08:26,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:08:26,540 INFO L87 Difference]: Start difference. First operand 3358 states and 5390 transitions. cyclomatic complexity: 2068 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:08:26,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:08:26,612 INFO L93 Difference]: Finished difference Result 5264 states and 8290 transitions. [2022-11-21 16:08:26,612 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5264 states and 8290 transitions. [2022-11-21 16:08:26,649 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 2044 [2022-11-21 16:08:26,691 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5264 states to 5264 states and 8290 transitions. [2022-11-21 16:08:26,691 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2110 [2022-11-21 16:08:26,694 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2110 [2022-11-21 16:08:26,695 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5264 states and 8290 transitions. [2022-11-21 16:08:26,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 16:08:26,695 INFO L218 hiAutomatonCegarLoop]: Abstraction has 5264 states and 8290 transitions. [2022-11-21 16:08:26,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5264 states and 8290 transitions. [2022-11-21 16:08:26,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5264 to 5264. [2022-11-21 16:08:26,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5264 states, 5264 states have (on average 1.5748480243161094) internal successors, (8290), 5263 states have internal predecessors, (8290), 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) [2022-11-21 16:08:26,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5264 states to 5264 states and 8290 transitions. [2022-11-21 16:08:26,860 INFO L240 hiAutomatonCegarLoop]: Abstraction has 5264 states and 8290 transitions. [2022-11-21 16:08:26,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:08:26,861 INFO L428 stractBuchiCegarLoop]: Abstraction has 5264 states and 8290 transitions. [2022-11-21 16:08:26,861 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-21 16:08:26,861 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5264 states and 8290 transitions. [2022-11-21 16:08:26,885 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 2044 [2022-11-21 16:08:26,885 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:08:26,885 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:08:26,886 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] [2022-11-21 16:08:26,886 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:08:26,888 INFO L748 eck$LassoCheckResult]: Stem: 28664#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 28517#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 28440#L416 assume !(1 == ~c_req_up~0); 28442#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 28649#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 28682#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 28681#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 28515#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 28516#L447-1 assume !(0 == ~e_f~0); 28678#L452-1 assume !(0 == ~e_g~0); 28394#L457-1 assume !(0 == ~e_e~0); 28395#L462-1 assume !(0 == ~e_c~0); 28453#L467-1 assume !(0 == ~e_wl~0); 28454#L472-1 assume !(1 == ~wl_pc~0); 28688#L484 assume !(2 == ~wl_pc~0); 28623#L485 assume !(1 == ~c1_pc~0); 28606#L495 assume !(1 == ~c2_pc~0); 28684#L504 assume !(1 == ~wb_pc~0); 28626#L513 assume !(1 == ~e_c~0); 28425#L522-1 assume !(1 == ~e_e~0); 28426#L527-1 assume !(1 == ~e_f~0); 28679#L532-1 assume !(1 == ~e_g~0); 28610#L537-1 assume !(1 == ~e_c~0); 28544#L542-1 assume !(1 == ~e_wl~0); 28545#L684-1 assume !false; 30063#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 31372#L389 [2022-11-21 16:08:26,888 INFO L750 eck$LassoCheckResult]: Loop: 31372#L389 assume !false; 32549#L307 assume 0 == ~wl_st~0; 32387#L320-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 32443#L333 assume !(0 != eval_~tmp~0#1); 32466#L329 assume !(0 == ~c1_st~0); 32600#L344 assume !(0 == ~c2_st~0); 32565#L359 assume !(0 == ~wb_st~0); 32557#L374 assume !(0 == ~r_st~0); 31372#L389 [2022-11-21 16:08:26,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:26,888 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 2 times [2022-11-21 16:08:26,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:26,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936791238] [2022-11-21 16:08:26,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:26,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:26,902 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:08:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:26,918 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:08:26,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:26,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1292266880, now seen corresponding path program 1 times [2022-11-21 16:08:26,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:26,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784097741] [2022-11-21 16:08:26,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:26,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:26,924 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:08:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:26,927 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:08:26,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:26,927 INFO L85 PathProgramCache]: Analyzing trace with hash 373312376, now seen corresponding path program 1 times [2022-11-21 16:08:26,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:26,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366118844] [2022-11-21 16:08:26,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:26,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:26,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:26,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:26,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366118844] [2022-11-21 16:08:26,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366118844] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:08:26,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:08:26,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:08:26,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031913654] [2022-11-21 16:08:26,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:08:27,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:08:27,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:08:27,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:08:27,019 INFO L87 Difference]: Start difference. First operand 5264 states and 8290 transitions. cyclomatic complexity: 3062 Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 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) [2022-11-21 16:08:27,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:08:27,086 INFO L93 Difference]: Finished difference Result 8154 states and 12722 transitions. [2022-11-21 16:08:27,086 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8154 states and 12722 transitions. [2022-11-21 16:08:27,134 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 3194 [2022-11-21 16:08:27,200 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8154 states to 8154 states and 12722 transitions. [2022-11-21 16:08:27,200 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3262 [2022-11-21 16:08:27,207 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3262 [2022-11-21 16:08:27,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8154 states and 12722 transitions. [2022-11-21 16:08:27,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 16:08:27,208 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8154 states and 12722 transitions. [2022-11-21 16:08:27,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8154 states and 12722 transitions. [2022-11-21 16:08:27,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8154 to 8154. [2022-11-21 16:08:27,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8154 states, 8154 states have (on average 1.5602158449840569) internal successors, (12722), 8153 states have internal predecessors, (12722), 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) [2022-11-21 16:08:27,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8154 states to 8154 states and 12722 transitions. [2022-11-21 16:08:27,513 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8154 states and 12722 transitions. [2022-11-21 16:08:27,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:08:27,515 INFO L428 stractBuchiCegarLoop]: Abstraction has 8154 states and 12722 transitions. [2022-11-21 16:08:27,515 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-11-21 16:08:27,515 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8154 states and 12722 transitions. [2022-11-21 16:08:27,547 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 3194 [2022-11-21 16:08:27,547 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:08:27,547 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:08:27,549 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] [2022-11-21 16:08:27,549 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:08:27,549 INFO L748 eck$LassoCheckResult]: Stem: 42078#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 41943#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 41862#L416 assume !(1 == ~c_req_up~0); 41864#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 41983#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 41984#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 42005#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 41941#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 41942#L447-1 assume !(0 == ~e_f~0); 42096#L452-1 assume !(0 == ~e_g~0); 41820#L457-1 assume !(0 == ~e_e~0); 41821#L462-1 assume !(0 == ~e_c~0); 41878#L467-1 assume !(0 == ~e_wl~0); 41879#L472-1 assume !(1 == ~wl_pc~0); 42091#L484 assume !(2 == ~wl_pc~0); 42039#L485 assume !(1 == ~c1_pc~0); 41880#L495 assume !(1 == ~c2_pc~0); 41882#L504 assume !(1 == ~wb_pc~0); 42009#L513 assume !(1 == ~e_c~0); 42043#L522-1 assume !(1 == ~e_e~0); 42057#L527-1 assume !(1 == ~e_f~0); 41919#L532-1 assume !(1 == ~e_g~0); 41920#L537-1 assume !(1 == ~e_c~0); 41965#L542-1 assume !(1 == ~e_wl~0); 41966#L684-1 assume !false; 44075#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 47107#L389 [2022-11-21 16:08:27,550 INFO L750 eck$LassoCheckResult]: Loop: 47107#L389 assume !false; 47771#L307 assume 0 == ~wl_st~0; 46978#L320-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 46970#L333 assume !(0 != eval_~tmp~0#1); 47765#L329 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 47747#L348 assume !(0 != eval_~tmp___0~0#1); 47763#L344 assume !(0 == ~c2_st~0); 47778#L359 assume !(0 == ~wb_st~0); 47774#L374 assume !(0 == ~r_st~0); 47107#L389 [2022-11-21 16:08:27,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:27,550 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 3 times [2022-11-21 16:08:27,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:27,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001889279] [2022-11-21 16:08:27,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:27,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:27,561 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:08:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:27,575 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:08:27,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:27,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1353841090, now seen corresponding path program 1 times [2022-11-21 16:08:27,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:27,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853193673] [2022-11-21 16:08:27,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:27,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:27,589 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:08:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:27,592 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:08:27,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:27,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1363944758, now seen corresponding path program 1 times [2022-11-21 16:08:27,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:27,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165705388] [2022-11-21 16:08:27,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:27,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:27,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:27,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:27,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165705388] [2022-11-21 16:08:27,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165705388] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:08:27,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:08:27,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:08:27,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509723492] [2022-11-21 16:08:27,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:08:27,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:08:27,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:08:27,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:08:27,792 INFO L87 Difference]: Start difference. First operand 8154 states and 12722 transitions. cyclomatic complexity: 4604 Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 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) [2022-11-21 16:08:27,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:08:27,899 INFO L93 Difference]: Finished difference Result 12961 states and 20031 transitions. [2022-11-21 16:08:27,900 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12961 states and 20031 transitions. [2022-11-21 16:08:27,983 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 5098 [2022-11-21 16:08:28,043 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12961 states to 12961 states and 20031 transitions. [2022-11-21 16:08:28,043 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5220 [2022-11-21 16:08:28,051 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5220 [2022-11-21 16:08:28,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12961 states and 20031 transitions. [2022-11-21 16:08:28,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 16:08:28,052 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12961 states and 20031 transitions. [2022-11-21 16:08:28,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12961 states and 20031 transitions. [2022-11-21 16:08:28,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12961 to 12961. [2022-11-21 16:08:28,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12961 states, 12961 states have (on average 1.5454826016511072) internal successors, (20031), 12960 states have internal predecessors, (20031), 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) [2022-11-21 16:08:28,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12961 states to 12961 states and 20031 transitions. [2022-11-21 16:08:28,424 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12961 states and 20031 transitions. [2022-11-21 16:08:28,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:08:28,425 INFO L428 stractBuchiCegarLoop]: Abstraction has 12961 states and 20031 transitions. [2022-11-21 16:08:28,426 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-11-21 16:08:28,426 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12961 states and 20031 transitions. [2022-11-21 16:08:28,551 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 5098 [2022-11-21 16:08:28,551 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:08:28,552 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:08:28,552 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] [2022-11-21 16:08:28,552 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:08:28,553 INFO L748 eck$LassoCheckResult]: Stem: 63223#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 63066#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 62985#L416 assume !(1 == ~c_req_up~0); 62987#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 63204#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 63134#L432-1 assume !(1 == ~c2_i~0);~c2_st~0 := 2; 63135#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 65851#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 65850#L447-1 assume !(0 == ~e_f~0); 65849#L452-1 assume !(0 == ~e_g~0); 63254#L457-1 assume !(0 == ~e_e~0); 63255#L462-1 assume !(0 == ~e_c~0); 65841#L467-1 assume !(0 == ~e_wl~0); 65838#L472-1 assume !(1 == ~wl_pc~0); 65833#L484 assume !(2 == ~wl_pc~0); 63174#L485 assume !(1 == ~c1_pc~0); 63157#L495 assume !(1 == ~c2_pc~0); 65742#L504 assume !(1 == ~wb_pc~0); 65740#L513 assume !(1 == ~e_c~0); 63263#L522-1 assume !(1 == ~e_e~0); 63198#L527-1 assume !(1 == ~e_f~0); 63041#L532-1 assume !(1 == ~e_g~0); 63042#L537-1 assume !(1 == ~e_c~0); 65707#L542-1 assume !(1 == ~e_wl~0); 65705#L684-1 assume !false; 65706#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 71348#L389 [2022-11-21 16:08:28,553 INFO L750 eck$LassoCheckResult]: Loop: 71348#L389 assume !false; 71345#L307 assume 0 == ~wl_st~0; 71335#L320-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 71323#L333 assume !(0 != eval_~tmp~0#1); 71340#L329 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 71372#L348 assume !(0 != eval_~tmp___0~0#1); 71367#L344 assume !(0 == ~c2_st~0); 71363#L359 assume !(0 == ~wb_st~0); 71356#L374 assume !(0 == ~r_st~0); 71348#L389 [2022-11-21 16:08:28,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:28,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1246052603, now seen corresponding path program 1 times [2022-11-21 16:08:28,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:28,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230389288] [2022-11-21 16:08:28,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:28,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:28,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:28,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:28,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230389288] [2022-11-21 16:08:28,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230389288] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:08:28,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:08:28,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:08:28,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447658845] [2022-11-21 16:08:28,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:08:28,609 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-21 16:08:28,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:28,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1353841090, now seen corresponding path program 2 times [2022-11-21 16:08:28,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:28,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880936355] [2022-11-21 16:08:28,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:28,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:28,618 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:08:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:28,622 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:08:28,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:08:28,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:08:28,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:08:28,688 INFO L87 Difference]: Start difference. First operand 12961 states and 20031 transitions. cyclomatic complexity: 7106 Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:08:28,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:08:28,772 INFO L93 Difference]: Finished difference Result 12909 states and 19944 transitions. [2022-11-21 16:08:28,772 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12909 states and 19944 transitions. [2022-11-21 16:08:28,959 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 5098 [2022-11-21 16:08:29,023 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12909 states to 12909 states and 19944 transitions. [2022-11-21 16:08:29,023 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5170 [2022-11-21 16:08:29,029 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5170 [2022-11-21 16:08:29,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12909 states and 19944 transitions. [2022-11-21 16:08:29,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 16:08:29,029 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12909 states and 19944 transitions. [2022-11-21 16:08:29,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12909 states and 19944 transitions. [2022-11-21 16:08:29,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12909 to 12909. [2022-11-21 16:08:29,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12909 states, 12909 states have (on average 1.5449686265396234) internal successors, (19944), 12908 states have internal predecessors, (19944), 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) [2022-11-21 16:08:29,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12909 states to 12909 states and 19944 transitions. [2022-11-21 16:08:29,343 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12909 states and 19944 transitions. [2022-11-21 16:08:29,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:08:29,345 INFO L428 stractBuchiCegarLoop]: Abstraction has 12909 states and 19944 transitions. [2022-11-21 16:08:29,345 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2022-11-21 16:08:29,346 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12909 states and 19944 transitions. [2022-11-21 16:08:29,404 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 5098 [2022-11-21 16:08:29,404 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:08:29,404 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:08:29,406 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] [2022-11-21 16:08:29,406 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:08:29,406 INFO L748 eck$LassoCheckResult]: Stem: 89105#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 88940#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 88862#L416 assume !(1 == ~c_req_up~0); 88864#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 88985#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 88986#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 89009#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 88938#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 88939#L447-1 assume !(0 == ~e_f~0); 89128#L452-1 assume !(0 == ~e_g~0); 88819#L457-1 assume !(0 == ~e_e~0); 88820#L462-1 assume !(0 == ~e_c~0); 88878#L467-1 assume !(0 == ~e_wl~0); 88879#L472-1 assume !(1 == ~wl_pc~0); 89124#L484 assume !(2 == ~wl_pc~0); 89051#L485 assume !(1 == ~c1_pc~0); 88880#L495 assume !(1 == ~c2_pc~0); 88882#L504 assume !(1 == ~wb_pc~0); 89016#L513 assume !(1 == ~e_c~0); 89054#L522-1 assume !(1 == ~e_e~0); 89073#L527-1 assume !(1 == ~e_f~0); 88915#L532-1 assume !(1 == ~e_g~0); 88916#L537-1 assume !(1 == ~e_c~0); 89038#L542-1 assume !(1 == ~e_wl~0); 91425#L684-1 assume !false; 91426#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 97689#L389 [2022-11-21 16:08:29,406 INFO L750 eck$LassoCheckResult]: Loop: 97689#L389 assume !false; 97684#L307 assume 0 == ~wl_st~0; 97365#L320-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 97362#L333 assume !(0 != eval_~tmp~0#1); 97359#L329 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 97343#L348 assume !(0 != eval_~tmp___0~0#1); 97358#L344 assume 0 == ~c2_st~0;eval_~tmp___1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1; 97716#L363 assume !(0 != eval_~tmp___1~0#1); 97709#L359 assume !(0 == ~wb_st~0); 97698#L374 assume !(0 == ~r_st~0); 97689#L389 [2022-11-21 16:08:29,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:29,407 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 4 times [2022-11-21 16:08:29,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:29,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623669816] [2022-11-21 16:08:29,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:29,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:29,419 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:08:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:29,438 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:08:29,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:29,439 INFO L85 PathProgramCache]: Analyzing trace with hash -982249908, now seen corresponding path program 1 times [2022-11-21 16:08:29,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:29,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301603394] [2022-11-21 16:08:29,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:29,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:29,447 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:08:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:29,452 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:08:29,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:29,453 INFO L85 PathProgramCache]: Analyzing trace with hash 665734724, now seen corresponding path program 1 times [2022-11-21 16:08:29,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:29,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001709546] [2022-11-21 16:08:29,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:29,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:08:29,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:08:29,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 16:08:29,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001709546] [2022-11-21 16:08:29,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001709546] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 16:08:29,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 16:08:29,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 16:08:29,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748240540] [2022-11-21 16:08:29,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 16:08:29,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 16:08:29,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 16:08:29,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 16:08:29,591 INFO L87 Difference]: Start difference. First operand 12909 states and 19944 transitions. cyclomatic complexity: 7071 Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2022-11-21 16:08:29,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 16:08:29,810 INFO L93 Difference]: Finished difference Result 20133 states and 30924 transitions. [2022-11-21 16:08:29,811 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20133 states and 30924 transitions. [2022-11-21 16:08:29,906 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 8032 [2022-11-21 16:08:30,144 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20133 states to 20133 states and 30924 transitions. [2022-11-21 16:08:30,144 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8104 [2022-11-21 16:08:30,150 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8104 [2022-11-21 16:08:30,150 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20133 states and 30924 transitions. [2022-11-21 16:08:30,150 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-21 16:08:30,150 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20133 states and 30924 transitions. [2022-11-21 16:08:30,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20133 states and 30924 transitions. [2022-11-21 16:08:30,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20133 to 20013. [2022-11-21 16:08:30,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20013 states, 20013 states have (on average 1.5391995203117974) internal successors, (30804), 20012 states have internal predecessors, (30804), 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) [2022-11-21 16:08:30,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20013 states to 20013 states and 30804 transitions. [2022-11-21 16:08:30,604 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20013 states and 30804 transitions. [2022-11-21 16:08:30,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 16:08:30,608 INFO L428 stractBuchiCegarLoop]: Abstraction has 20013 states and 30804 transitions. [2022-11-21 16:08:30,608 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2022-11-21 16:08:30,608 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20013 states and 30804 transitions. [2022-11-21 16:08:30,679 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 7984 [2022-11-21 16:08:30,679 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:08:30,679 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:08:30,687 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] [2022-11-21 16:08:30,687 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 16:08:30,687 INFO L748 eck$LassoCheckResult]: Stem: 122165#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(11, 2);call #Ultimate.allocInit(12, 3);~c~0 := 0;~c_t~0 := 0;~c_req_up~0 := 0;~p_in~0 := 0;~p_out~0 := 0;~wl_st~0 := 0;~c1_st~0 := 0;~c2_st~0 := 0;~wb_st~0 := 0;~r_st~0 := 0;~wl_i~0 := 0;~c1_i~0 := 0;~c2_i~0 := 0;~wb_i~0 := 0;~r_i~0 := 0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~e_e~0 := 0;~e_f~0 := 0;~e_g~0 := 0;~e_c~0 := 0;~e_p_in~0 := 0;~e_wl~0 := 0;~d~0 := 0;~data~0 := 0;~processed~0 := 0;~t_b~0 := 0; 121993#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~__retres1~0#1;havoc main_~__retres1~0#1;~e_wl~0 := 2;~e_c~0 := ~e_wl~0;~e_g~0 := ~e_c~0;~e_f~0 := ~e_g~0;~e_e~0 := ~e_f~0;~wl_pc~0 := 0;~c1_pc~0 := 0;~c2_pc~0 := 0;~wb_pc~0 := 0;~wb_i~0 := 1;~c2_i~0 := ~wb_i~0;~c1_i~0 := ~c2_i~0;~wl_i~0 := ~c1_i~0;~r_i~0 := 0;~c_req_up~0 := 0;~d~0 := 0;~c~0 := 0;assume { :begin_inline_start_simulation } true;havoc start_simulation_~kernel_st~0#1;havoc start_simulation_~kernel_st~0#1;start_simulation_~kernel_st~0#1 := 0; 121911#L416 assume !(1 == ~c_req_up~0); 121913#L416-2 assume 1 == ~wl_i~0;~wl_st~0 := 0; 122043#L427-1 assume 1 == ~c1_i~0;~c1_st~0 := 0; 122044#L432-1 assume 1 == ~c2_i~0;~c2_st~0 := 0; 122072#L437-1 assume 1 == ~wb_i~0;~wb_st~0 := 0; 121991#L442-1 assume !(1 == ~r_i~0);~r_st~0 := 2; 121992#L447-1 assume !(0 == ~e_f~0); 122197#L452-1 assume !(0 == ~e_g~0); 121867#L457-1 assume !(0 == ~e_e~0); 121868#L462-1 assume !(0 == ~e_c~0); 121928#L467-1 assume !(0 == ~e_wl~0); 121929#L472-1 assume !(1 == ~wl_pc~0); 122193#L484 assume !(2 == ~wl_pc~0); 122112#L485 assume !(1 == ~c1_pc~0); 121930#L495 assume !(1 == ~c2_pc~0); 121932#L504 assume !(1 == ~wb_pc~0); 122079#L513 assume !(1 == ~e_c~0); 122117#L522-1 assume !(1 == ~e_e~0); 122134#L527-1 assume !(1 == ~e_f~0); 121966#L532-1 assume !(1 == ~e_g~0); 121967#L537-1 assume !(1 == ~e_c~0); 122100#L542-1 assume !(1 == ~e_wl~0); 125843#L684-1 assume !false; 125844#L554 start_simulation_~kernel_st~0#1 := 1;assume { :begin_inline_eval } true;havoc eval_#t~nondet4#1, eval_#t~nondet5#1, eval_#t~nondet6#1, eval_#t~nondet7#1, eval_#t~nondet8#1, eval_~tmp~0#1, eval_~tmp___0~0#1, eval_~tmp___1~0#1, eval_~tmp___2~0#1, eval_~tmp___3~0#1;havoc eval_~tmp~0#1;havoc eval_~tmp___0~0#1;havoc eval_~tmp___1~0#1;havoc eval_~tmp___2~0#1;havoc eval_~tmp___3~0#1; 134633#L389 [2022-11-21 16:08:30,688 INFO L750 eck$LassoCheckResult]: Loop: 134633#L389 assume !false; 133753#L307 assume 0 == ~wl_st~0; 133750#L320-1 assume 0 == ~wl_st~0;eval_~tmp~0#1 := eval_#t~nondet4#1;havoc eval_#t~nondet4#1; 133729#L333 assume !(0 != eval_~tmp~0#1); 133747#L329 assume 0 == ~c1_st~0;eval_~tmp___0~0#1 := eval_#t~nondet5#1;havoc eval_#t~nondet5#1; 133933#L348 assume !(0 != eval_~tmp___0~0#1); 133929#L344 assume 0 == ~c2_st~0;eval_~tmp___1~0#1 := eval_#t~nondet6#1;havoc eval_#t~nondet6#1; 133901#L363 assume !(0 != eval_~tmp___1~0#1); 133925#L359 assume 0 == ~wb_st~0;eval_~tmp___2~0#1 := eval_#t~nondet7#1;havoc eval_#t~nondet7#1; 134638#L378 assume !(0 != eval_~tmp___2~0#1); 134637#L374 assume !(0 == ~r_st~0); 134633#L389 [2022-11-21 16:08:30,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:30,688 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 5 times [2022-11-21 16:08:30,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:30,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071305106] [2022-11-21 16:08:30,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:30,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:30,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:30,707 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:08:30,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:30,721 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:08:30,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:30,723 INFO L85 PathProgramCache]: Analyzing trace with hash -385011466, now seen corresponding path program 1 times [2022-11-21 16:08:30,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:30,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957698436] [2022-11-21 16:08:30,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:30,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:30,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:30,730 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:08:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:30,734 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:08:30,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:08:30,735 INFO L85 PathProgramCache]: Analyzing trace with hash -837095426, now seen corresponding path program 1 times [2022-11-21 16:08:30,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:08:30,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695104262] [2022-11-21 16:08:30,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:08:30,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:08:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:30,745 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:08:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:30,757 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:08:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:32,389 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:08:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:08:32,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 04:08:32 BoogieIcfgContainer [2022-11-21 16:08:32,583 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-21 16:08:32,584 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:08:32,585 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:08:32,585 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:08:32,646 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:08:15" (3/4) ... [2022-11-21 16:08:32,649 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-21 16:08:32,723 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 16:08:32,723 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:08:32,724 INFO L158 Benchmark]: Toolchain (without parser) took 18260.62ms. Allocated memory was 119.5MB in the beginning and 943.7MB in the end (delta: 824.2MB). Free memory was 75.2MB in the beginning and 695.5MB in the end (delta: -620.4MB). Peak memory consumption was 297.9MB. Max. memory is 16.1GB. [2022-11-21 16:08:32,724 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 119.5MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:08:32,725 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.22ms. Allocated memory is still 119.5MB. Free memory was 74.8MB in the beginning and 60.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 16:08:32,725 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.49ms. Allocated memory is still 119.5MB. Free memory was 60.1MB in the beginning and 57.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:08:32,726 INFO L158 Benchmark]: Boogie Preprocessor took 42.25ms. Allocated memory is still 119.5MB. Free memory was 57.9MB in the beginning and 55.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:08:32,726 INFO L158 Benchmark]: RCFGBuilder took 975.20ms. Allocated memory was 119.5MB in the beginning and 165.7MB in the end (delta: 46.1MB). Free memory was 55.5MB in the beginning and 125.6MB in the end (delta: -70.1MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2022-11-21 16:08:32,727 INFO L158 Benchmark]: BuchiAutomizer took 16583.07ms. Allocated memory was 165.7MB in the beginning and 943.7MB in the end (delta: 778.0MB). Free memory was 125.6MB in the beginning and 615.8MB in the end (delta: -490.2MB). Peak memory consumption was 287.6MB. Max. memory is 16.1GB. [2022-11-21 16:08:32,727 INFO L158 Benchmark]: Witness Printer took 139.37ms. Allocated memory is still 943.7MB. Free memory was 615.8MB in the beginning and 695.5MB in the end (delta: -79.7MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2022-11-21 16:08:32,729 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 119.5MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.22ms. Allocated memory is still 119.5MB. Free memory was 74.8MB in the beginning and 60.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.49ms. Allocated memory is still 119.5MB. Free memory was 60.1MB in the beginning and 57.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.25ms. Allocated memory is still 119.5MB. Free memory was 57.9MB in the beginning and 55.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 975.20ms. Allocated memory was 119.5MB in the beginning and 165.7MB in the end (delta: 46.1MB). Free memory was 55.5MB in the beginning and 125.6MB in the end (delta: -70.1MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 16583.07ms. Allocated memory was 165.7MB in the beginning and 943.7MB in the end (delta: 778.0MB). Free memory was 125.6MB in the beginning and 615.8MB in the end (delta: -490.2MB). Peak memory consumption was 287.6MB. Max. memory is 16.1GB. * Witness Printer took 139.37ms. Allocated memory is still 943.7MB. Free memory was 615.8MB in the beginning and 695.5MB in the end (delta: -79.7MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 17 terminating modules (14 trivial, 3 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function -1 * e_c + 1 and consists of 3 locations. One deterministic module has affine ranking function -1 * e_c + 1 and consists of 3 locations. One deterministic module has affine ranking function 3 + -2 * e_e and consists of 3 locations. 14 modules have a trivial ranking function, the largest among these consists of 4 locations. The remainder module has 20013 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 16.3s and 15 iterations. TraceHistogramMax:1. Analysis of lassos took 10.2s. Construction of modules took 0.4s. Büchi inclusion checks took 4.8s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 11. Automata minimization 2.0s AutomataMinimizationTime, 17 MinimizatonAttempts, 1393 StatesRemovedByMinimization, 7 NontrivialMinimizations. Non-live state removal took 1.1s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4137 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4134 mSDsluCounter, 6565 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2288 mSDsCounter, 111 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 345 IncrementalHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 111 mSolverCounterUnsat, 4277 mSDtfsCounter, 345 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc3 concLT0 SILN1 SILU0 SILI5 SILT3 lasso0 LassoPreprocessingBenchmarks: Lassos: inital82 mio100 ax100 hnf100 lsp12 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq180 hnf100 smp100 dnf211 smp63 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 45ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 13 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 306]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L28] int c ; [L29] int c_t ; [L30] int c_req_up ; [L31] int p_in ; [L32] int p_out ; [L33] int wl_st ; [L34] int c1_st ; [L35] int c2_st ; [L36] int wb_st ; [L37] int r_st ; [L38] int wl_i ; [L39] int c1_i ; [L40] int c2_i ; [L41] int wb_i ; [L42] int r_i ; [L43] int wl_pc ; [L44] int c1_pc ; [L45] int c2_pc ; [L46] int wb_pc ; [L47] int e_e ; [L48] int e_f ; [L49] int e_g ; [L50] int e_c ; [L51] int e_p_in ; [L52] int e_wl ; [L58] int d ; [L59] int data ; [L60] int processed ; [L61] static int t_b ; VAL [c=0, c1_i=0, c1_pc=0, c1_st=0, c2_i=0, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=0, e_e=0, e_f=0, e_g=0, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=0, wb_pc=0, wb_st=0, wl_i=0, wl_pc=0, wl_st=0] [L701] int __retres1 ; [L705] e_wl = 2 [L706] e_c = e_wl [L707] e_g = e_c [L708] e_f = e_g [L709] e_e = e_f [L710] wl_pc = 0 [L711] c1_pc = 0 [L712] c2_pc = 0 [L713] wb_pc = 0 [L714] wb_i = 1 [L715] c2_i = wb_i [L716] c1_i = c2_i [L717] wl_i = c1_i [L718] r_i = 0 [L719] c_req_up = 0 [L720] d = 0 [L721] c = 0 [L722] CALL start_simulation() [L412] int kernel_st ; [L415] kernel_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L416] COND FALSE !((int )c_req_up == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L427] COND TRUE (int )wl_i == 1 [L428] wl_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L432] COND TRUE (int )c1_i == 1 [L433] c1_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L437] COND TRUE (int )c2_i == 1 [L438] c2_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L442] COND TRUE (int )wb_i == 1 [L443] wb_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L447] COND FALSE !((int )r_i == 1) [L450] r_st = 2 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L452] COND FALSE !((int )e_f == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L457] COND FALSE !((int )e_g == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L462] COND FALSE !((int )e_e == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L467] COND FALSE !((int )e_c == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L472] COND FALSE !((int )e_wl == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L477] COND FALSE !((int )wl_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L485] COND FALSE !((int )wl_pc == 2) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L495] COND FALSE !((int )c1_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L504] COND FALSE !((int )c2_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L513] COND FALSE !((int )wb_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L522] COND FALSE !((int )e_c == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L527] COND FALSE !((int )e_e == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L532] COND FALSE !((int )e_f == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L537] COND FALSE !((int )e_g == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L542] COND FALSE !((int )e_c == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L547] COND FALSE !((int )e_wl == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L553] COND TRUE 1 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L556] kernel_st = 1 [L557] CALL eval() [L298] int tmp ; [L299] int tmp___0 ; [L300] int tmp___1 ; [L301] int tmp___2 ; [L302] int tmp___3 ; VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] Loop: [L306] COND TRUE 1 [L308] COND TRUE (int )wl_st == 0 [L329] COND TRUE (int )wl_st == 0 [L331] tmp = __VERIFIER_nondet_int() [L333] COND FALSE !(\read(tmp)) [L344] COND TRUE (int )c1_st == 0 [L346] tmp___0 = __VERIFIER_nondet_int() [L348] COND FALSE !(\read(tmp___0)) [L359] COND TRUE (int )c2_st == 0 [L361] tmp___1 = __VERIFIER_nondet_int() [L363] COND FALSE !(\read(tmp___1)) [L374] COND TRUE (int )wb_st == 0 [L376] tmp___2 = __VERIFIER_nondet_int() [L378] COND FALSE !(\read(tmp___2)) [L389] COND FALSE !((int )r_st == 0) End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 306]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L28] int c ; [L29] int c_t ; [L30] int c_req_up ; [L31] int p_in ; [L32] int p_out ; [L33] int wl_st ; [L34] int c1_st ; [L35] int c2_st ; [L36] int wb_st ; [L37] int r_st ; [L38] int wl_i ; [L39] int c1_i ; [L40] int c2_i ; [L41] int wb_i ; [L42] int r_i ; [L43] int wl_pc ; [L44] int c1_pc ; [L45] int c2_pc ; [L46] int wb_pc ; [L47] int e_e ; [L48] int e_f ; [L49] int e_g ; [L50] int e_c ; [L51] int e_p_in ; [L52] int e_wl ; [L58] int d ; [L59] int data ; [L60] int processed ; [L61] static int t_b ; VAL [c=0, c1_i=0, c1_pc=0, c1_st=0, c2_i=0, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=0, e_e=0, e_f=0, e_g=0, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=0, wb_pc=0, wb_st=0, wl_i=0, wl_pc=0, wl_st=0] [L701] int __retres1 ; [L705] e_wl = 2 [L706] e_c = e_wl [L707] e_g = e_c [L708] e_f = e_g [L709] e_e = e_f [L710] wl_pc = 0 [L711] c1_pc = 0 [L712] c2_pc = 0 [L713] wb_pc = 0 [L714] wb_i = 1 [L715] c2_i = wb_i [L716] c1_i = c2_i [L717] wl_i = c1_i [L718] r_i = 0 [L719] c_req_up = 0 [L720] d = 0 [L721] c = 0 [L722] CALL start_simulation() [L412] int kernel_st ; [L415] kernel_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L416] COND FALSE !((int )c_req_up == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L427] COND TRUE (int )wl_i == 1 [L428] wl_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L432] COND TRUE (int )c1_i == 1 [L433] c1_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L437] COND TRUE (int )c2_i == 1 [L438] c2_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L442] COND TRUE (int )wb_i == 1 [L443] wb_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L447] COND FALSE !((int )r_i == 1) [L450] r_st = 2 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L452] COND FALSE !((int )e_f == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L457] COND FALSE !((int )e_g == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L462] COND FALSE !((int )e_e == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L467] COND FALSE !((int )e_c == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L472] COND FALSE !((int )e_wl == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L477] COND FALSE !((int )wl_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L485] COND FALSE !((int )wl_pc == 2) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L495] COND FALSE !((int )c1_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L504] COND FALSE !((int )c2_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L513] COND FALSE !((int )wb_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L522] COND FALSE !((int )e_c == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L527] COND FALSE !((int )e_e == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L532] COND FALSE !((int )e_f == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L537] COND FALSE !((int )e_g == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L542] COND FALSE !((int )e_c == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L547] COND FALSE !((int )e_wl == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L553] COND TRUE 1 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L556] kernel_st = 1 [L557] CALL eval() [L298] int tmp ; [L299] int tmp___0 ; [L300] int tmp___1 ; [L301] int tmp___2 ; [L302] int tmp___3 ; VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] Loop: [L306] COND TRUE 1 [L308] COND TRUE (int )wl_st == 0 [L329] COND TRUE (int )wl_st == 0 [L331] tmp = __VERIFIER_nondet_int() [L333] COND FALSE !(\read(tmp)) [L344] COND TRUE (int )c1_st == 0 [L346] tmp___0 = __VERIFIER_nondet_int() [L348] COND FALSE !(\read(tmp___0)) [L359] COND TRUE (int )c2_st == 0 [L361] tmp___1 = __VERIFIER_nondet_int() [L363] COND FALSE !(\read(tmp___1)) [L374] COND TRUE (int )wb_st == 0 [L376] tmp___2 = __VERIFIER_nondet_int() [L378] COND FALSE !(\read(tmp___2)) [L389] COND FALSE !((int )r_st == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-21 16:08:32,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05dfd33a-d980-41b8-a07d-98342ffc0c7a/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)