./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 6b4ec56b 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_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/systemc/toy1.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN --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-6b4ec56 [2022-11-20 10:30:01,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:30:01,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:30:01,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:30:01,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:30:01,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:30:01,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:30:01,439 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:30:01,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:30:01,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:30:01,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:30:01,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:30:01,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:30:01,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:30:01,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:30:01,461 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:30:01,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:30:01,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:30:01,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:30:01,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:30:01,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:30:01,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:30:01,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:30:01,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:30:01,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:30:01,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:30:01,493 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:30:01,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:30:01,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:30:01,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:30:01,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:30:01,499 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:30:01,501 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:30:01,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:30:01,504 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:30:01,504 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:30:01,505 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:30:01,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:30:01,506 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:30:01,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:30:01,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:30:01,510 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-20 10:30:01,551 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:30:01,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:30:01,552 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:30:01,552 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:30:01,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:30:01,554 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:30:01,554 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:30:01,555 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 10:30:01,555 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 10:30:01,555 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 10:30:01,556 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 10:30:01,557 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 10:30:01,557 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 10:30:01,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:30:01,558 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:30:01,558 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:30:01,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:30:01,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:30:01,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:30:01,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 10:30:01,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 10:30:01,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 10:30:01,560 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:30:01,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:30:01,560 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 10:30:01,561 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:30:01,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 10:30:01,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:30:01,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:30:01,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:30:01,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:30:01,564 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 10:30:01,565 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_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c40ed6d21fe4d61cae011269f1fdb95d05149cea0f3470f42c6e8f2fc8fb0d6a [2022-11-20 10:30:01,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:30:02,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:30:02,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:30:02,047 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:30:02,048 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:30:02,050 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/systemc/toy1.cil.c [2022-11-20 10:30:05,281 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:30:05,602 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:30:05,604 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/sv-benchmarks/c/systemc/toy1.cil.c [2022-11-20 10:30:05,618 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/data/b9853cdfc/2c3903b47706408c974d18730b90046c/FLAG527fd152e [2022-11-20 10:30:05,641 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/data/b9853cdfc/2c3903b47706408c974d18730b90046c [2022-11-20 10:30:05,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:30:05,648 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:30:05,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:30:05,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:30:05,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:30:05,658 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:05" (1/1) ... [2022-11-20 10:30:05,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ad1aa78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:05, skipping insertion in model container [2022-11-20 10:30:05,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:30:05" (1/1) ... [2022-11-20 10:30:05,669 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:30:05,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:30:05,940 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_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/sv-benchmarks/c/systemc/toy1.cil.c[698,711] [2022-11-20 10:30:06,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:30:06,074 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:30:06,087 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_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/sv-benchmarks/c/systemc/toy1.cil.c[698,711] [2022-11-20 10:30:06,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:30:06,141 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:30:06,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06 WrapperNode [2022-11-20 10:30:06,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:30:06,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:30:06,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:30:06,144 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:30:06,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,193 INFO L138 Inliner]: procedures = 20, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 363 [2022-11-20 10:30:06,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:30:06,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:30:06,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:30:06,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:30:06,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,207 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,226 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:30:06,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:30:06,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:30:06,234 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:30:06,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (1/1) ... [2022-11-20 10:30:06,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:06,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:06,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:06,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 10:30:06,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:30:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:30:06,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:30:06,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:30:06,452 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:30:06,455 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:30:07,091 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:30:07,101 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:30:07,111 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-20 10:30:07,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:30:07 BoogieIcfgContainer [2022-11-20 10:30:07,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:30:07,123 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 10:30:07,123 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 10:30:07,129 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 10:30:07,143 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:30:07,143 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:30:05" (1/3) ... [2022-11-20 10:30:07,145 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76c787a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:30:07, skipping insertion in model container [2022-11-20 10:30:07,145 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:30:07,145 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:30:06" (2/3) ... [2022-11-20 10:30:07,146 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76c787a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:30:07, skipping insertion in model container [2022-11-20 10:30:07,146 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:30:07,146 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:30:07" (3/3) ... [2022-11-20 10:30:07,148 INFO L332 chiAutomizerObserver]: Analyzing ICFG toy1.cil.c [2022-11-20 10:30:07,288 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 10:30:07,289 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 10:30:07,300 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 10:30:07,300 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 10:30:07,300 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 10:30:07,301 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 10:30:07,301 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 10:30:07,301 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 10:30:07,306 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) [2022-11-20 10:30:07,348 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 99 [2022-11-20 10:30:07,349 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:30:07,350 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:30:07,363 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] [2022-11-20 10:30:07,364 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] [2022-11-20 10:30:07,364 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 10:30:07,371 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) [2022-11-20 10:30:07,377 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 99 [2022-11-20 10:30:07,378 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:30:07,378 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:30:07,379 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] [2022-11-20 10:30:07,380 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] [2022-11-20 10:30:07,390 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 [2022-11-20 10:30:07,392 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 [2022-11-20 10:30:07,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:07,404 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 1 times [2022-11-20 10:30:07,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:07,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245251323] [2022-11-20 10:30:07,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:07,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:07,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:07,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:07,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245251323] [2022-11-20 10:30:07,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245251323] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:07,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:07,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:30:07,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430118573] [2022-11-20 10:30:07,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:07,922 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 10:30:07,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:07,927 INFO L85 PathProgramCache]: Analyzing trace with hash -696614142, now seen corresponding path program 1 times [2022-11-20 10:30:07,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:07,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113631341] [2022-11-20 10:30:07,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:07,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:07,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:07,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:07,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113631341] [2022-11-20 10:30:07,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113631341] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:07,977 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:07,977 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:07,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055244169] [2022-11-20 10:30:07,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:07,979 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 10:30:07,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:08,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 10:30:08,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 10:30:08,038 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) [2022-11-20 10:30:08,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:08,084 INFO L93 Difference]: Finished difference Result 132 states and 226 transitions. [2022-11-20 10:30:08,086 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 132 states and 226 transitions. [2022-11-20 10:30:08,094 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-11-20 10:30:08,104 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 132 states to 126 states and 220 transitions. [2022-11-20 10:30:08,105 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 126 [2022-11-20 10:30:08,108 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 126 [2022-11-20 10:30:08,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 126 states and 220 transitions. [2022-11-20 10:30:08,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:08,111 INFO L218 hiAutomatonCegarLoop]: Abstraction has 126 states and 220 transitions. [2022-11-20 10:30:08,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states and 220 transitions. [2022-11-20 10:30:08,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2022-11-20 10:30:08,159 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) [2022-11-20 10:30:08,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 220 transitions. [2022-11-20 10:30:08,162 INFO L240 hiAutomatonCegarLoop]: Abstraction has 126 states and 220 transitions. [2022-11-20 10:30:08,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 10:30:08,170 INFO L428 stractBuchiCegarLoop]: Abstraction has 126 states and 220 transitions. [2022-11-20 10:30:08,171 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 10:30:08,171 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 220 transitions. [2022-11-20 10:30:08,178 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-11-20 10:30:08,179 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:30:08,179 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:30:08,182 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] [2022-11-20 10:30:08,183 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] [2022-11-20 10:30:08,185 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 [2022-11-20 10:30:08,191 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 [2022-11-20 10:30:08,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:08,193 INFO L85 PathProgramCache]: Analyzing trace with hash -2133486251, now seen corresponding path program 2 times [2022-11-20 10:30:08,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:08,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495192213] [2022-11-20 10:30:08,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:08,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:08,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:08,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:08,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495192213] [2022-11-20 10:30:08,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495192213] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:08,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:08,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:30:08,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557684797] [2022-11-20 10:30:08,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:08,293 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 10:30:08,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:08,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1432587772, now seen corresponding path program 1 times [2022-11-20 10:30:08,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:08,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748127046] [2022-11-20 10:30:08,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:08,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:08,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:08,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:08,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748127046] [2022-11-20 10:30:08,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748127046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:08,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:08,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:30:08,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756086741] [2022-11-20 10:30:08,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:08,367 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 10:30:08,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:08,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:08,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:08,371 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) [2022-11-20 10:30:08,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:08,405 INFO L93 Difference]: Finished difference Result 126 states and 219 transitions. [2022-11-20 10:30:08,405 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 219 transitions. [2022-11-20 10:30:08,408 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-11-20 10:30:08,412 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 126 states and 219 transitions. [2022-11-20 10:30:08,412 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 126 [2022-11-20 10:30:08,413 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 126 [2022-11-20 10:30:08,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 126 states and 219 transitions. [2022-11-20 10:30:08,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:08,416 INFO L218 hiAutomatonCegarLoop]: Abstraction has 126 states and 219 transitions. [2022-11-20 10:30:08,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states and 219 transitions. [2022-11-20 10:30:08,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2022-11-20 10:30:08,435 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) [2022-11-20 10:30:08,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 219 transitions. [2022-11-20 10:30:08,436 INFO L240 hiAutomatonCegarLoop]: Abstraction has 126 states and 219 transitions. [2022-11-20 10:30:08,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:08,437 INFO L428 stractBuchiCegarLoop]: Abstraction has 126 states and 219 transitions. [2022-11-20 10:30:08,438 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 10:30:08,438 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 219 transitions. [2022-11-20 10:30:08,439 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-11-20 10:30:08,440 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:30:08,440 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:30:08,443 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] [2022-11-20 10:30:08,444 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] [2022-11-20 10:30:08,444 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 [2022-11-20 10:30:08,444 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 [2022-11-20 10:30:08,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:08,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1738779219, now seen corresponding path program 1 times [2022-11-20 10:30:08,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:08,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134791506] [2022-11-20 10:30:08,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:08,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:08,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:08,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:08,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134791506] [2022-11-20 10:30:08,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134791506] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:08,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:08,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:30:08,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970746748] [2022-11-20 10:30:08,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:08,567 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 10:30:08,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:08,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1432587772, now seen corresponding path program 2 times [2022-11-20 10:30:08,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:08,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498228035] [2022-11-20 10:30:08,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:08,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:08,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:08,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:08,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498228035] [2022-11-20 10:30:08,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498228035] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:08,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:08,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:30:08,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143903544] [2022-11-20 10:30:08,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:08,619 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 10:30:08,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:08,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:08,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:08,621 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) [2022-11-20 10:30:08,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:08,650 INFO L93 Difference]: Finished difference Result 126 states and 218 transitions. [2022-11-20 10:30:08,650 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 218 transitions. [2022-11-20 10:30:08,652 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-11-20 10:30:08,653 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 126 states and 218 transitions. [2022-11-20 10:30:08,653 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 126 [2022-11-20 10:30:08,658 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 126 [2022-11-20 10:30:08,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 126 states and 218 transitions. [2022-11-20 10:30:08,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:08,661 INFO L218 hiAutomatonCegarLoop]: Abstraction has 126 states and 218 transitions. [2022-11-20 10:30:08,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states and 218 transitions. [2022-11-20 10:30:08,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2022-11-20 10:30:08,668 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) [2022-11-20 10:30:08,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 218 transitions. [2022-11-20 10:30:08,669 INFO L240 hiAutomatonCegarLoop]: Abstraction has 126 states and 218 transitions. [2022-11-20 10:30:08,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:08,671 INFO L428 stractBuchiCegarLoop]: Abstraction has 126 states and 218 transitions. [2022-11-20 10:30:08,671 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-20 10:30:08,672 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 218 transitions. [2022-11-20 10:30:08,673 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-11-20 10:30:08,674 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:30:08,674 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:30:08,675 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] [2022-11-20 10:30:08,676 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] [2022-11-20 10:30:08,676 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 [2022-11-20 10:30:08,676 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 [2022-11-20 10:30:08,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:08,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1738539627, now seen corresponding path program 1 times [2022-11-20 10:30:08,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:08,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584222504] [2022-11-20 10:30:08,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:08,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:08,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:08,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:08,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584222504] [2022-11-20 10:30:08,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584222504] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:08,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:08,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:30:08,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257369280] [2022-11-20 10:30:08,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:08,761 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 10:30:08,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:08,762 INFO L85 PathProgramCache]: Analyzing trace with hash 883328051, now seen corresponding path program 1 times [2022-11-20 10:30:08,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:08,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519433167] [2022-11-20 10:30:08,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:08,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:08,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:08,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:08,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519433167] [2022-11-20 10:30:08,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519433167] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:08,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:08,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:30:08,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305257172] [2022-11-20 10:30:08,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:08,802 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 10:30:08,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:08,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:08,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:08,804 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) [2022-11-20 10:30:08,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:08,835 INFO L93 Difference]: Finished difference Result 126 states and 217 transitions. [2022-11-20 10:30:08,835 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 126 states and 217 transitions. [2022-11-20 10:30:08,837 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-11-20 10:30:08,839 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 126 states to 126 states and 217 transitions. [2022-11-20 10:30:08,840 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 126 [2022-11-20 10:30:08,842 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 126 [2022-11-20 10:30:08,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 126 states and 217 transitions. [2022-11-20 10:30:08,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:08,849 INFO L218 hiAutomatonCegarLoop]: Abstraction has 126 states and 217 transitions. [2022-11-20 10:30:08,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states and 217 transitions. [2022-11-20 10:30:08,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2022-11-20 10:30:08,857 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) [2022-11-20 10:30:08,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 217 transitions. [2022-11-20 10:30:08,859 INFO L240 hiAutomatonCegarLoop]: Abstraction has 126 states and 217 transitions. [2022-11-20 10:30:08,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:08,860 INFO L428 stractBuchiCegarLoop]: Abstraction has 126 states and 217 transitions. [2022-11-20 10:30:08,860 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-20 10:30:08,861 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 217 transitions. [2022-11-20 10:30:08,862 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 95 [2022-11-20 10:30:08,862 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:30:08,863 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:30:08,867 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] [2022-11-20 10:30:08,868 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] [2022-11-20 10:30:08,868 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 [2022-11-20 10:30:08,869 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 [2022-11-20 10:30:08,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:08,872 INFO L85 PathProgramCache]: Analyzing trace with hash 255605079, now seen corresponding path program 1 times [2022-11-20 10:30:08,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:08,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271683377] [2022-11-20 10:30:08,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:08,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:08,909 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:30:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:08,965 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:30:08,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:08,967 INFO L85 PathProgramCache]: Analyzing trace with hash 883328051, now seen corresponding path program 2 times [2022-11-20 10:30:08,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:08,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138257126] [2022-11-20 10:30:08,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:08,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:09,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:09,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:09,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138257126] [2022-11-20 10:30:09,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138257126] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:09,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:09,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:30:09,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981298948] [2022-11-20 10:30:09,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:09,024 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 10:30:09,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:09,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:09,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:09,026 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) [2022-11-20 10:30:09,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:09,103 INFO L93 Difference]: Finished difference Result 160 states and 279 transitions. [2022-11-20 10:30:09,104 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160 states and 279 transitions. [2022-11-20 10:30:09,110 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 112 [2022-11-20 10:30:09,111 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160 states to 160 states and 279 transitions. [2022-11-20 10:30:09,111 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 160 [2022-11-20 10:30:09,112 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 160 [2022-11-20 10:30:09,112 INFO L73 IsDeterministic]: Start isDeterministic. Operand 160 states and 279 transitions. [2022-11-20 10:30:09,113 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:09,113 INFO L218 hiAutomatonCegarLoop]: Abstraction has 160 states and 279 transitions. [2022-11-20 10:30:09,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states and 279 transitions. [2022-11-20 10:30:09,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2022-11-20 10:30:09,129 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) [2022-11-20 10:30:09,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 279 transitions. [2022-11-20 10:30:09,131 INFO L240 hiAutomatonCegarLoop]: Abstraction has 160 states and 279 transitions. [2022-11-20 10:30:09,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:09,137 INFO L428 stractBuchiCegarLoop]: Abstraction has 160 states and 279 transitions. [2022-11-20 10:30:09,138 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-20 10:30:09,138 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 160 states and 279 transitions. [2022-11-20 10:30:09,139 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 112 [2022-11-20 10:30:09,139 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:30:09,139 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:30:09,140 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] [2022-11-20 10:30:09,140 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] [2022-11-20 10:30:09,141 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 [2022-11-20 10:30:09,141 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 [2022-11-20 10:30:09,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:09,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1535466835, now seen corresponding path program 1 times [2022-11-20 10:30:09,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:09,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553917805] [2022-11-20 10:30:09,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:09,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:09,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:09,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:09,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553917805] [2022-11-20 10:30:09,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553917805] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:09,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:09,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:30:09,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896862161] [2022-11-20 10:30:09,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:09,236 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 10:30:09,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:09,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1432528190, now seen corresponding path program 1 times [2022-11-20 10:30:09,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:09,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222192355] [2022-11-20 10:30:09,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:09,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:09,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:09,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:09,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222192355] [2022-11-20 10:30:09,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222192355] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:09,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:09,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 10:30:09,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917415] [2022-11-20 10:30:09,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:09,315 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 10:30:09,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:09,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:30:09,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:30:09,317 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) [2022-11-20 10:30:09,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:09,479 INFO L93 Difference]: Finished difference Result 226 states and 380 transitions. [2022-11-20 10:30:09,479 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 226 states and 380 transitions. [2022-11-20 10:30:09,481 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 177 [2022-11-20 10:30:09,483 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 226 states to 226 states and 380 transitions. [2022-11-20 10:30:09,483 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 226 [2022-11-20 10:30:09,484 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 226 [2022-11-20 10:30:09,484 INFO L73 IsDeterministic]: Start isDeterministic. Operand 226 states and 380 transitions. [2022-11-20 10:30:09,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:30:09,485 INFO L218 hiAutomatonCegarLoop]: Abstraction has 226 states and 380 transitions. [2022-11-20 10:30:09,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states and 380 transitions. [2022-11-20 10:30:09,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 215. [2022-11-20 10:30:09,496 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) [2022-11-20 10:30:09,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 365 transitions. [2022-11-20 10:30:09,497 INFO L240 hiAutomatonCegarLoop]: Abstraction has 215 states and 365 transitions. [2022-11-20 10:30:09,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:30:09,499 INFO L428 stractBuchiCegarLoop]: Abstraction has 215 states and 365 transitions. [2022-11-20 10:30:09,499 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-20 10:30:09,500 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 215 states and 365 transitions. [2022-11-20 10:30:09,501 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 177 [2022-11-20 10:30:09,503 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:30:09,503 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:30:09,504 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] [2022-11-20 10:30:09,505 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] [2022-11-20 10:30:09,505 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 [2022-11-20 10:30:09,505 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 [2022-11-20 10:30:09,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:09,506 INFO L85 PathProgramCache]: Analyzing trace with hash 255545497, now seen corresponding path program 1 times [2022-11-20 10:30:09,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:09,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908397840] [2022-11-20 10:30:09,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:09,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:09,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:09,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:09,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908397840] [2022-11-20 10:30:09,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908397840] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:09,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:09,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:30:09,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142962802] [2022-11-20 10:30:09,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:09,570 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 10:30:09,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:09,571 INFO L85 PathProgramCache]: Analyzing trace with hash -137740303, now seen corresponding path program 1 times [2022-11-20 10:30:09,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:09,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858928197] [2022-11-20 10:30:09,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:09,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:09,577 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:30:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:09,595 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:30:10,030 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 10:30:10,031 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 10:30:10,031 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 10:30:10,031 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 10:30:10,032 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 10:30:10,032 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:10,032 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 10:30:10,032 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 10:30:10,032 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration7_Loop [2022-11-20 10:30:10,032 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 10:30:10,033 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 10:30:10,052 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,064 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,068 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,074 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,077 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,080 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,084 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,090 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,093 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,096 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,099 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,102 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,104 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,107 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,113 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,117 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,122 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,125 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,128 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,134 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,137 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,140 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,143 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,145 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,151 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,154 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,466 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 10:30:10,466 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 10:30:10,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:10,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:10,473 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:10,485 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:30:10,485 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:30:10,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 10:30:10,517 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:30:10,517 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: [] [2022-11-20 10:30:10,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:10,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:10,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:10,531 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:10,536 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:30:10,536 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:30:10,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 10:30:10,564 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:30:10,564 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 10:30:10,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:10,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:10,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:10,597 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:10,607 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:30:10,607 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:30:10,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 10:30:10,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:10,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:10,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:10,654 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:10,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 10:30:10,660 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 10:30:10,661 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:30:10,690 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 10:30:10,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:10,702 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 10:30:10,703 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 10:30:10,703 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 10:30:10,703 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 10:30:10,703 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 10:30:10,703 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:10,703 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 10:30:10,703 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 10:30:10,703 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration7_Loop [2022-11-20 10:30:10,704 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 10:30:10,704 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 10:30:10,706 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,719 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,726 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,734 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,738 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,742 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,764 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,768 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,770 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,774 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,777 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,780 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,783 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,789 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,794 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,798 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,801 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,808 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,812 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,818 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,821 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,824 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,829 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,833 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,843 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:10,846 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:11,155 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 10:30:11,160 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 10:30:11,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:11,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:11,163 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:11,167 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 [2022-11-20 10:30:11,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 10:30:11,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:30:11,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:30:11,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:30:11,184 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 10:30:11,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:30:11,187 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 10:30:11,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:30:11,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:30:11,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:11,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:11,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:11,213 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:11,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 10:30:11,225 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 [2022-11-20 10:30:11,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:30:11,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:30:11,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:30:11,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:30:11,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:30:11,242 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:30:11,242 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:30:11,252 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 10:30:11,256 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-20 10:30:11,256 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-20 10:30:11,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:11,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:11,305 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:11,315 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 10:30:11,315 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 10:30:11,315 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 10:30:11,316 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] [2022-11-20 10:30:11,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 10:30:11,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:11,329 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 10:30:11,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:11,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:30:11,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:30:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:11,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:30:11,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:30:11,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:11,665 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 [2022-11-20 10:30:11,667 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) [2022-11-20 10:30:11,803 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. [2022-11-20 10:30:11,804 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 [2022-11-20 10:30:11,808 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) [2022-11-20 10:30:11,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 374 transitions. [2022-11-20 10:30:11,812 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 374 transitions. Stem has 24 letters. Loop has 28 letters. [2022-11-20 10:30:11,814 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:30:11,814 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 374 transitions. Stem has 52 letters. Loop has 28 letters. [2022-11-20 10:30:11,817 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:30:11,817 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 374 transitions. Stem has 24 letters. Loop has 56 letters. [2022-11-20 10:30:11,821 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:30:11,822 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 758 states and 1283 transitions. [2022-11-20 10:30:11,830 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 531 [2022-11-20 10:30:11,836 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 758 states to 758 states and 1283 transitions. [2022-11-20 10:30:11,836 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 571 [2022-11-20 10:30:11,837 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 577 [2022-11-20 10:30:11,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 758 states and 1283 transitions. [2022-11-20 10:30:11,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 10:30:11,838 INFO L218 hiAutomatonCegarLoop]: Abstraction has 758 states and 1283 transitions. [2022-11-20 10:30:11,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states and 1283 transitions. [2022-11-20 10:30:11,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 575. [2022-11-20 10:30:11,861 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) [2022-11-20 10:30:11,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 975 transitions. [2022-11-20 10:30:11,864 INFO L240 hiAutomatonCegarLoop]: Abstraction has 575 states and 975 transitions. [2022-11-20 10:30:11,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:11,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:30:11,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:30:11,869 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) [2022-11-20 10:30:12,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:12,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:12,038 INFO L93 Difference]: Finished difference Result 1195 states and 1962 transitions. [2022-11-20 10:30:12,038 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1195 states and 1962 transitions. [2022-11-20 10:30:12,048 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 732 [2022-11-20 10:30:12,060 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1195 states to 1195 states and 1962 transitions. [2022-11-20 10:30:12,060 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 818 [2022-11-20 10:30:12,063 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 818 [2022-11-20 10:30:12,063 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1195 states and 1962 transitions. [2022-11-20 10:30:12,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 10:30:12,064 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1195 states and 1962 transitions. [2022-11-20 10:30:12,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1195 states and 1962 transitions. [2022-11-20 10:30:12,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1195 to 1174. [2022-11-20 10:30:12,088 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) [2022-11-20 10:30:12,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1938 transitions. [2022-11-20 10:30:12,094 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1174 states and 1938 transitions. [2022-11-20 10:30:12,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:30:12,097 INFO L428 stractBuchiCegarLoop]: Abstraction has 1174 states and 1938 transitions. [2022-11-20 10:30:12,098 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-20 10:30:12,098 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1174 states and 1938 transitions. [2022-11-20 10:30:12,105 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 730 [2022-11-20 10:30:12,105 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:30:12,105 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:30:12,107 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] [2022-11-20 10:30:12,108 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] [2022-11-20 10:30:12,108 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 [2022-11-20 10:30:12,109 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 [2022-11-20 10:30:12,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:12,109 INFO L85 PathProgramCache]: Analyzing trace with hash 842409169, now seen corresponding path program 1 times [2022-11-20 10:30:12,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:12,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150163185] [2022-11-20 10:30:12,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:12,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:12,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:12,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:12,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150163185] [2022-11-20 10:30:12,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150163185] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:12,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:12,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:30:12,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597399169] [2022-11-20 10:30:12,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:12,162 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 10:30:12,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:12,163 INFO L85 PathProgramCache]: Analyzing trace with hash -137740303, now seen corresponding path program 2 times [2022-11-20 10:30:12,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:12,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509746197] [2022-11-20 10:30:12,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:12,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:12,169 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:30:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:12,176 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:30:12,522 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 10:30:12,523 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 10:30:12,523 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 10:30:12,523 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 10:30:12,523 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 10:30:12,523 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:12,523 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 10:30:12,524 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 10:30:12,524 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration8_Loop [2022-11-20 10:30:12,524 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 10:30:12,524 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 10:30:12,526 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:12,530 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:12,535 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:12,538 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:12,542 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:12,545 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:12,552 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:12,555 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:12,558 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:12,562 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:12,569 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:12,576 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:12,579 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:12,583 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:12,589 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:12,592 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:12,599 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:12,603 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:12,607 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:12,610 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:12,614 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:12,617 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:12,620 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:12,623 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:12,626 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:12,633 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:12,923 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 10:30:12,923 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 10:30:12,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:12,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:12,925 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:12,934 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:30:12,934 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:30:12,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 10:30:12,963 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:30:12,963 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 10:30:12,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:12,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:12,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:12,969 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:12,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 10:30:12,975 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:30:12,975 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:30:12,998 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:30:12,999 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: [] [2022-11-20 10:30:13,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:13,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:13,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:13,013 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:13,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 10:30:13,019 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:30:13,019 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:30:13,050 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:30:13,050 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: [] [2022-11-20 10:30:13,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:13,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:13,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:13,062 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:13,072 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:30:13,072 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:30:13,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 10:30:13,102 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:30:13,102 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 10:30:13,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:13,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:13,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:13,110 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:13,120 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:30:13,120 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:30:13,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 10:30:13,149 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:30:13,149 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: [] [2022-11-20 10:30:13,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:13,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:13,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:13,163 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:13,176 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:30:13,176 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:30:13,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 10:30:13,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:13,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:13,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:13,225 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:13,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 10:30:13,230 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 10:30:13,230 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:30:13,255 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 10:30:13,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:13,265 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 10:30:13,265 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 10:30:13,265 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 10:30:13,265 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 10:30:13,265 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 10:30:13,265 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:13,265 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 10:30:13,265 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 10:30:13,265 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration8_Loop [2022-11-20 10:30:13,265 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 10:30:13,266 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 10:30:13,267 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:13,274 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:13,277 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:13,280 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:13,282 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:13,286 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:13,291 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:13,294 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:13,297 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:13,301 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:13,304 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:13,311 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:13,318 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:13,322 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:13,328 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:13,335 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:13,339 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:13,343 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:13,346 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:13,350 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:13,354 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:13,358 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:13,361 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:13,364 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:13,371 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:13,377 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:13,707 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 10:30:13,707 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 10:30:13,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:13,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:13,709 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:13,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 10:30:13,741 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 [2022-11-20 10:30:13,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:30:13,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:30:13,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:30:13,771 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 10:30:13,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:30:13,772 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 10:30:13,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:30:13,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:30:13,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:13,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:13,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:13,835 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:13,865 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 [2022-11-20 10:30:13,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 10:30:13,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:30:13,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:30:13,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:30:13,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:30:13,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:30:13,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:30:13,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:30:13,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:30:13,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:13,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:13,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:13,917 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:13,928 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 [2022-11-20 10:30:13,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:30:13,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:30:13,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:30:13,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:30:13,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:30:13,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:30:13,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:30:13,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 10:30:13,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:30:13,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:13,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:13,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:13,965 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:13,976 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 [2022-11-20 10:30:13,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-20 10:30:13,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:30:13,991 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:30:13,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:30:13,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:30:13,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:30:13,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:30:13,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:30:14,002 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:30:14,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:14,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:14,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:14,014 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:14,029 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 [2022-11-20 10:30:14,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-20 10:30:14,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:30:14,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:30:14,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:30:14,044 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 10:30:14,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:30:14,045 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 10:30:14,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:30:14,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:30:14,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:14,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:14,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:14,077 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:14,091 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 [2022-11-20 10:30:14,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-20 10:30:14,106 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:30:14,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:30:14,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:30:14,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:30:14,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:30:14,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:30:14,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:30:14,117 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 10:30:14,139 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-20 10:30:14,140 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-20 10:30:14,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:14,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:14,150 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:14,157 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 10:30:14,157 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 10:30:14,157 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 10:30:14,157 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_c~0) = -1*~e_c~0 + 1 Supporting invariants [] [2022-11-20 10:30:14,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-20 10:30:14,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:14,168 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 10:30:14,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:14,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:30:14,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:30:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:14,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:30:14,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:30:14,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:14,378 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 [2022-11-20 10:30:14,378 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) [2022-11-20 10:30:14,452 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. [2022-11-20 10:30:14,453 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 [2022-11-20 10:30:14,454 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) [2022-11-20 10:30:14,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 371 transitions. [2022-11-20 10:30:14,455 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 371 transitions. Stem has 24 letters. Loop has 28 letters. [2022-11-20 10:30:14,456 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:30:14,456 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 371 transitions. Stem has 52 letters. Loop has 28 letters. [2022-11-20 10:30:14,456 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:30:14,456 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 371 transitions. Stem has 24 letters. Loop has 56 letters. [2022-11-20 10:30:14,457 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:30:14,457 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1955 states and 3238 transitions. [2022-11-20 10:30:14,472 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 1128 [2022-11-20 10:30:14,484 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1955 states to 1955 states and 3238 transitions. [2022-11-20 10:30:14,485 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1206 [2022-11-20 10:30:14,486 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1215 [2022-11-20 10:30:14,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1955 states and 3238 transitions. [2022-11-20 10:30:14,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 10:30:14,488 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1955 states and 3238 transitions. [2022-11-20 10:30:14,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1955 states and 3238 transitions. [2022-11-20 10:30:14,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1955 to 1008. [2022-11-20 10:30:14,512 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) [2022-11-20 10:30:14,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1668 transitions. [2022-11-20 10:30:14,516 INFO L240 hiAutomatonCegarLoop]: Abstraction has 1008 states and 1668 transitions. [2022-11-20 10:30:14,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:14,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:30:14,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:30:14,517 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) [2022-11-20 10:30:14,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:14,606 INFO L93 Difference]: Finished difference Result 1032 states and 1681 transitions. [2022-11-20 10:30:14,607 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1032 states and 1681 transitions. [2022-11-20 10:30:14,613 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 579 [2022-11-20 10:30:14,619 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1032 states to 1032 states and 1681 transitions. [2022-11-20 10:30:14,620 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 659 [2022-11-20 10:30:14,621 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 659 [2022-11-20 10:30:14,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1032 states and 1681 transitions. [2022-11-20 10:30:14,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 10:30:14,622 INFO L218 hiAutomatonCegarLoop]: Abstraction has 1032 states and 1681 transitions. [2022-11-20 10:30:14,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states and 1681 transitions. [2022-11-20 10:30:14,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 942. [2022-11-20 10:30:14,638 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) [2022-11-20 10:30:14,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1541 transitions. [2022-11-20 10:30:14,641 INFO L240 hiAutomatonCegarLoop]: Abstraction has 942 states and 1541 transitions. [2022-11-20 10:30:14,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:30:14,642 INFO L428 stractBuchiCegarLoop]: Abstraction has 942 states and 1541 transitions. [2022-11-20 10:30:14,643 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-20 10:30:14,643 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 942 states and 1541 transitions. [2022-11-20 10:30:14,647 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 579 [2022-11-20 10:30:14,647 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:30:14,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:30:14,648 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] [2022-11-20 10:30:14,648 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] [2022-11-20 10:30:14,650 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 [2022-11-20 10:30:14,650 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 [2022-11-20 10:30:14,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:14,651 INFO L85 PathProgramCache]: Analyzing trace with hash -666236546, now seen corresponding path program 1 times [2022-11-20 10:30:14,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:14,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381569647] [2022-11-20 10:30:14,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:14,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:14,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:14,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:14,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381569647] [2022-11-20 10:30:14,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381569647] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:14,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:14,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:30:14,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996364305] [2022-11-20 10:30:14,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:14,694 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 10:30:14,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:14,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1464581643, now seen corresponding path program 1 times [2022-11-20 10:30:14,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:14,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246823165] [2022-11-20 10:30:14,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:14,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:14,703 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:30:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:14,715 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:30:14,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:14,978 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 10:30:14,978 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 10:30:14,978 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 10:30:14,978 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 10:30:14,979 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 10:30:14,979 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:14,979 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 10:30:14,979 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 10:30:14,979 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration9_Loop [2022-11-20 10:30:14,979 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 10:30:14,979 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 10:30:14,985 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:14,988 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:14,991 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:14,993 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:14,996 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:14,998 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,001 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,006 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,008 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,011 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,016 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,018 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,020 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,024 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,026 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,028 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,030 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,032 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,034 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,036 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,039 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,042 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,047 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,050 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,065 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,072 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,330 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 10:30:15,330 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 10:30:15,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:15,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:15,336 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:15,347 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:30:15,347 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:30:15,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-20 10:30:15,374 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:30:15,375 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~r_st~0=-1} Honda state: {~r_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 10:30:15,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:15,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:15,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:15,386 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:15,390 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:30:15,390 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:30:15,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-20 10:30:15,413 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:30:15,413 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: [] [2022-11-20 10:30:15,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:15,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:15,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:15,419 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:15,424 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:30:15,424 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:30:15,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-20 10:30:15,448 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:30:15,448 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: [] [2022-11-20 10:30:15,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:15,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:15,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:15,459 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:15,464 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:30:15,464 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:30:15,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-20 10:30:15,498 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:30:15,498 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c2_st~0=-1} Honda state: {~c2_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 10:30:15,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:15,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:15,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:15,510 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:15,515 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:30:15,515 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:30:15,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-20 10:30:15,538 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:30:15,538 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c1_st~0=4} Honda state: {~c1_st~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 10:30:15,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:15,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:15,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:15,548 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:15,552 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:30:15,552 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:30:15,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-20 10:30:15,582 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:30:15,582 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~wb_st~0=-1} Honda state: {~wb_st~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 10:30:15,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:15,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:15,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:15,594 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:15,598 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:30:15,598 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:30:15,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-20 10:30:15,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:15,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:15,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:15,625 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:15,629 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 10:30:15,630 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:30:15,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-20 10:30:15,697 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 10:30:15,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:15,706 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 10:30:15,706 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 10:30:15,706 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 10:30:15,706 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 10:30:15,706 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 10:30:15,706 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:15,706 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 10:30:15,706 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 10:30:15,706 INFO L133 ssoRankerPreferences]: Filename of dumped script: toy1.cil.c_Iteration9_Loop [2022-11-20 10:30:15,706 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 10:30:15,707 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 10:30:15,708 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,711 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,714 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,716 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,719 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,722 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,725 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,730 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,733 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,735 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,738 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,743 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,745 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,750 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,752 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,755 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,757 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,759 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,762 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,764 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,767 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,770 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,775 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,780 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,782 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:15,785 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:30:16,032 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 10:30:16,032 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 10:30:16,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:16,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:16,037 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:16,042 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 [2022-11-20 10:30:16,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-20 10:30:16,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:30:16,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:30:16,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:30:16,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:30:16,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:30:16,058 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:30:16,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:30:16,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:30:16,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:16,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:16,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:16,084 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:16,088 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 [2022-11-20 10:30:16,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-20 10:30:16,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:30:16,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:30:16,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:30:16,102 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 10:30:16,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:30:16,103 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 10:30:16,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:30:16,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:30:16,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:16,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:16,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:16,135 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:16,140 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 [2022-11-20 10:30:16,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-20 10:30:16,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:30:16,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:30:16,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:30:16,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:30:16,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:30:16,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:30:16,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:30:16,193 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:30:16,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:16,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:16,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:16,199 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:16,207 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 [2022-11-20 10:30:16,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-20 10:30:16,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:30:16,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:30:16,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:30:16,220 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 10:30:16,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:30:16,222 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 10:30:16,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:30:16,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:30:16,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:16,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:16,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:16,242 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:16,246 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 [2022-11-20 10:30:16,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-20 10:30:16,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:30:16,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:30:16,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:30:16,260 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 10:30:16,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:30:16,261 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 10:30:16,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:30:16,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:30:16,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:16,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:16,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:16,281 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:16,285 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 [2022-11-20 10:30:16,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-20 10:30:16,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:30:16,300 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:30:16,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:30:16,300 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 10:30:16,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:30:16,301 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 10:30:16,301 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:30:16,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:30:16,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:16,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:16,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:16,328 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:16,333 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 [2022-11-20 10:30:16,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-20 10:30:16,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:30:16,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:30:16,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:30:16,347 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 10:30:16,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:30:16,349 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 10:30:16,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:30:16,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:30:16,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:16,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:16,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:16,370 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:16,374 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 [2022-11-20 10:30:16,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:30:16,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:30:16,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:30:16,388 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 10:30:16,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:30:16,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-20 10:30:16,390 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 10:30:16,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:30:16,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:30:16,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:16,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:16,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:16,417 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:16,422 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 [2022-11-20 10:30:16,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-20 10:30:16,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:30:16,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:30:16,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:30:16,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:30:16,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:30:16,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:30:16,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:30:16,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:30:16,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:16,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:16,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:16,468 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:16,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-20 10:30:16,473 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 [2022-11-20 10:30:16,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:30:16,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:30:16,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:30:16,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:30:16,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:30:16,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:30:16,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:30:16,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:30:16,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:16,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:16,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:16,509 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:16,514 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 [2022-11-20 10:30:16,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-20 10:30:16,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:30:16,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:30:16,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:30:16,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:30:16,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:30:16,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:30:16,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:30:16,558 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 10:30:16,562 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-20 10:30:16,562 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-20 10:30:16,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:30:16,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:30:16,563 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:30:16,568 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 10:30:16,568 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 10:30:16,568 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 10:30:16,568 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~e_e~0) = -2*~e_e~0 + 3 Supporting invariants [] [2022-11-20 10:30:16,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-20 10:30:16,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:16,574 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 10:30:16,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:16,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:30:16,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:30:16,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-20 10:30:16,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:16,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:30:16,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:30:16,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:16,787 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 [2022-11-20 10:30:16,787 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) [2022-11-20 10:30:16,827 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. [2022-11-20 10:30:16,828 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 [2022-11-20 10:30:16,829 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) [2022-11-20 10:30:16,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 204 transitions. [2022-11-20 10:30:16,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 204 transitions. Stem has 25 letters. Loop has 28 letters. [2022-11-20 10:30:16,830 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:30:16,830 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 204 transitions. Stem has 53 letters. Loop has 28 letters. [2022-11-20 10:30:16,830 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:30:16,830 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 204 transitions. Stem has 25 letters. Loop has 56 letters. [2022-11-20 10:30:16,831 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:30:16,831 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2635 states and 4302 transitions. [2022-11-20 10:30:16,848 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 1122 [2022-11-20 10:30:16,863 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2635 states to 2635 states and 4302 transitions. [2022-11-20 10:30:16,863 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1202 [2022-11-20 10:30:16,865 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1223 [2022-11-20 10:30:16,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2635 states and 4302 transitions. [2022-11-20 10:30:16,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 10:30:16,866 INFO L218 hiAutomatonCegarLoop]: Abstraction has 2635 states and 4302 transitions. [2022-11-20 10:30:16,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2635 states and 4302 transitions. [2022-11-20 10:30:16,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2635 to 2614. [2022-11-20 10:30:16,915 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) [2022-11-20 10:30:16,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2614 states to 2614 states and 4267 transitions. [2022-11-20 10:30:16,925 INFO L240 hiAutomatonCegarLoop]: Abstraction has 2614 states and 4267 transitions. [2022-11-20 10:30:16,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:16,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:30:16,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:30:16,926 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) [2022-11-20 10:30:17,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:17,016 INFO L93 Difference]: Finished difference Result 3358 states and 5390 transitions. [2022-11-20 10:30:17,016 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3358 states and 5390 transitions. [2022-11-20 10:30:17,036 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 1296 [2022-11-20 10:30:17,054 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3358 states to 3358 states and 5390 transitions. [2022-11-20 10:30:17,054 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1360 [2022-11-20 10:30:17,056 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1360 [2022-11-20 10:30:17,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3358 states and 5390 transitions. [2022-11-20 10:30:17,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 10:30:17,056 INFO L218 hiAutomatonCegarLoop]: Abstraction has 3358 states and 5390 transitions. [2022-11-20 10:30:17,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3358 states and 5390 transitions. [2022-11-20 10:30:17,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3358 to 3358. [2022-11-20 10:30:17,113 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) [2022-11-20 10:30:17,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3358 states to 3358 states and 5390 transitions. [2022-11-20 10:30:17,123 INFO L240 hiAutomatonCegarLoop]: Abstraction has 3358 states and 5390 transitions. [2022-11-20 10:30:17,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:30:17,124 INFO L428 stractBuchiCegarLoop]: Abstraction has 3358 states and 5390 transitions. [2022-11-20 10:30:17,124 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-20 10:30:17,124 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3358 states and 5390 transitions. [2022-11-20 10:30:17,138 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 1296 [2022-11-20 10:30:17,139 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:30:17,139 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:30:17,139 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] [2022-11-20 10:30:17,140 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:17,140 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 [2022-11-20 10:30:17,140 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 [2022-11-20 10:30:17,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:17,141 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 1 times [2022-11-20 10:30:17,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:17,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055245498] [2022-11-20 10:30:17,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:17,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:17,148 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:30:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:17,158 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:30:17,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:17,158 INFO L85 PathProgramCache]: Analyzing trace with hash 129447733, now seen corresponding path program 1 times [2022-11-20 10:30:17,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:17,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789143708] [2022-11-20 10:30:17,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:17,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:17,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:17,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:17,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789143708] [2022-11-20 10:30:17,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789143708] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:17,189 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:17,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:30:17,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176230991] [2022-11-20 10:30:17,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:17,190 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 10:30:17,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:17,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:17,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:17,191 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) [2022-11-20 10:30:17,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:17,251 INFO L93 Difference]: Finished difference Result 5264 states and 8290 transitions. [2022-11-20 10:30:17,251 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5264 states and 8290 transitions. [2022-11-20 10:30:17,283 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 2044 [2022-11-20 10:30:17,313 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5264 states to 5264 states and 8290 transitions. [2022-11-20 10:30:17,313 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2110 [2022-11-20 10:30:17,315 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2110 [2022-11-20 10:30:17,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5264 states and 8290 transitions. [2022-11-20 10:30:17,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 10:30:17,317 INFO L218 hiAutomatonCegarLoop]: Abstraction has 5264 states and 8290 transitions. [2022-11-20 10:30:17,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5264 states and 8290 transitions. [2022-11-20 10:30:17,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5264 to 5264. [2022-11-20 10:30:17,412 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) [2022-11-20 10:30:17,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5264 states to 5264 states and 8290 transitions. [2022-11-20 10:30:17,425 INFO L240 hiAutomatonCegarLoop]: Abstraction has 5264 states and 8290 transitions. [2022-11-20 10:30:17,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:17,426 INFO L428 stractBuchiCegarLoop]: Abstraction has 5264 states and 8290 transitions. [2022-11-20 10:30:17,426 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-20 10:30:17,426 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5264 states and 8290 transitions. [2022-11-20 10:30:17,444 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 2044 [2022-11-20 10:30:17,444 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:30:17,444 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:30:17,445 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] [2022-11-20 10:30:17,445 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:17,445 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 [2022-11-20 10:30:17,445 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 [2022-11-20 10:30:17,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:17,446 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 2 times [2022-11-20 10:30:17,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:17,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319945860] [2022-11-20 10:30:17,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:17,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:17,453 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:30:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:17,462 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:30:17,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:17,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1292266880, now seen corresponding path program 1 times [2022-11-20 10:30:17,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:17,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211975085] [2022-11-20 10:30:17,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:17,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:17,467 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:30:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:17,470 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:30:17,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:17,470 INFO L85 PathProgramCache]: Analyzing trace with hash 373312376, now seen corresponding path program 1 times [2022-11-20 10:30:17,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:17,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088351043] [2022-11-20 10:30:17,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:17,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:17,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:17,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:17,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088351043] [2022-11-20 10:30:17,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088351043] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:17,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:17,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:30:17,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482047995] [2022-11-20 10:30:17,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:17,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:17,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:17,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:17,549 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) [2022-11-20 10:30:17,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:17,620 INFO L93 Difference]: Finished difference Result 8154 states and 12722 transitions. [2022-11-20 10:30:17,620 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8154 states and 12722 transitions. [2022-11-20 10:30:17,662 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 3194 [2022-11-20 10:30:17,702 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8154 states to 8154 states and 12722 transitions. [2022-11-20 10:30:17,702 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3262 [2022-11-20 10:30:17,705 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3262 [2022-11-20 10:30:17,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8154 states and 12722 transitions. [2022-11-20 10:30:17,706 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 10:30:17,706 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8154 states and 12722 transitions. [2022-11-20 10:30:17,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8154 states and 12722 transitions. [2022-11-20 10:30:17,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8154 to 8154. [2022-11-20 10:30:17,880 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) [2022-11-20 10:30:17,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8154 states to 8154 states and 12722 transitions. [2022-11-20 10:30:17,906 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8154 states and 12722 transitions. [2022-11-20 10:30:17,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:17,911 INFO L428 stractBuchiCegarLoop]: Abstraction has 8154 states and 12722 transitions. [2022-11-20 10:30:17,911 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-11-20 10:30:17,911 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8154 states and 12722 transitions. [2022-11-20 10:30:17,941 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 3194 [2022-11-20 10:30:17,942 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:30:17,942 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:30:17,942 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] [2022-11-20 10:30:17,942 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:17,943 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 [2022-11-20 10:30:17,943 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 [2022-11-20 10:30:17,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:17,944 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 3 times [2022-11-20 10:30:17,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:17,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247240608] [2022-11-20 10:30:17,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:17,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:17,951 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:30:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:17,960 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:30:17,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:17,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1353841090, now seen corresponding path program 1 times [2022-11-20 10:30:17,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:17,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219141008] [2022-11-20 10:30:17,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:17,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:17,964 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:30:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:17,967 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:30:17,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:17,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1363944758, now seen corresponding path program 1 times [2022-11-20 10:30:17,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:17,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93945970] [2022-11-20 10:30:17,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:17,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:17,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:17,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:17,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93945970] [2022-11-20 10:30:17,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93945970] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:17,994 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:17,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:30:17,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281372934] [2022-11-20 10:30:17,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:18,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:18,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:18,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:18,049 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) [2022-11-20 10:30:18,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:18,127 INFO L93 Difference]: Finished difference Result 12961 states and 20031 transitions. [2022-11-20 10:30:18,127 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12961 states and 20031 transitions. [2022-11-20 10:30:18,254 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 5098 [2022-11-20 10:30:18,308 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12961 states to 12961 states and 20031 transitions. [2022-11-20 10:30:18,308 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5220 [2022-11-20 10:30:18,316 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5220 [2022-11-20 10:30:18,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12961 states and 20031 transitions. [2022-11-20 10:30:18,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 10:30:18,316 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12961 states and 20031 transitions. [2022-11-20 10:30:18,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12961 states and 20031 transitions. [2022-11-20 10:30:18,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12961 to 12961. [2022-11-20 10:30:18,536 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) [2022-11-20 10:30:18,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12961 states to 12961 states and 20031 transitions. [2022-11-20 10:30:18,567 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12961 states and 20031 transitions. [2022-11-20 10:30:18,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:18,568 INFO L428 stractBuchiCegarLoop]: Abstraction has 12961 states and 20031 transitions. [2022-11-20 10:30:18,568 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-11-20 10:30:18,568 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12961 states and 20031 transitions. [2022-11-20 10:30:18,615 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 5098 [2022-11-20 10:30:18,615 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:30:18,615 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:30:18,616 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] [2022-11-20 10:30:18,616 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:18,616 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 [2022-11-20 10:30:18,616 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 [2022-11-20 10:30:18,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:18,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1246052603, now seen corresponding path program 1 times [2022-11-20 10:30:18,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:18,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525083886] [2022-11-20 10:30:18,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:18,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:18,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:18,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:18,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525083886] [2022-11-20 10:30:18,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525083886] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:18,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:18,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:30:18,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174353029] [2022-11-20 10:30:18,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:18,792 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 10:30:18,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:18,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1353841090, now seen corresponding path program 2 times [2022-11-20 10:30:18,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:18,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107751762] [2022-11-20 10:30:18,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:18,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:18,797 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:30:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:18,800 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:30:18,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:18,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:18,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:18,863 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) [2022-11-20 10:30:18,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:18,941 INFO L93 Difference]: Finished difference Result 12909 states and 19944 transitions. [2022-11-20 10:30:18,942 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12909 states and 19944 transitions. [2022-11-20 10:30:19,036 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 5098 [2022-11-20 10:30:19,102 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12909 states to 12909 states and 19944 transitions. [2022-11-20 10:30:19,102 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5170 [2022-11-20 10:30:19,108 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5170 [2022-11-20 10:30:19,109 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12909 states and 19944 transitions. [2022-11-20 10:30:19,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 10:30:19,109 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12909 states and 19944 transitions. [2022-11-20 10:30:19,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12909 states and 19944 transitions. [2022-11-20 10:30:19,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12909 to 12909. [2022-11-20 10:30:19,405 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) [2022-11-20 10:30:19,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12909 states to 12909 states and 19944 transitions. [2022-11-20 10:30:19,542 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12909 states and 19944 transitions. [2022-11-20 10:30:19,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:19,544 INFO L428 stractBuchiCegarLoop]: Abstraction has 12909 states and 19944 transitions. [2022-11-20 10:30:19,544 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2022-11-20 10:30:19,544 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12909 states and 19944 transitions. [2022-11-20 10:30:19,623 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 5098 [2022-11-20 10:30:19,623 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:30:19,623 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:30:19,624 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] [2022-11-20 10:30:19,624 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:19,624 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 [2022-11-20 10:30:19,624 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 [2022-11-20 10:30:19,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:19,625 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 4 times [2022-11-20 10:30:19,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:19,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241391678] [2022-11-20 10:30:19,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:19,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:19,647 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:30:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:19,662 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:30:19,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:19,663 INFO L85 PathProgramCache]: Analyzing trace with hash -982249908, now seen corresponding path program 1 times [2022-11-20 10:30:19,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:19,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658255826] [2022-11-20 10:30:19,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:19,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:19,668 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:30:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:19,671 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:30:19,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:19,672 INFO L85 PathProgramCache]: Analyzing trace with hash 665734724, now seen corresponding path program 1 times [2022-11-20 10:30:19,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:19,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827189977] [2022-11-20 10:30:19,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:19,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:30:19,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:30:19,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:30:19,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827189977] [2022-11-20 10:30:19,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827189977] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:30:19,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:30:19,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:30:19,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86585542] [2022-11-20 10:30:19,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:30:19,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:30:19,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:30:19,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:30:19,838 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) [2022-11-20 10:30:20,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:30:20,058 INFO L93 Difference]: Finished difference Result 20133 states and 30924 transitions. [2022-11-20 10:30:20,059 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20133 states and 30924 transitions. [2022-11-20 10:30:20,133 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 8032 [2022-11-20 10:30:20,293 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20133 states to 20133 states and 30924 transitions. [2022-11-20 10:30:20,293 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8104 [2022-11-20 10:30:20,304 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8104 [2022-11-20 10:30:20,304 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20133 states and 30924 transitions. [2022-11-20 10:30:20,305 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 10:30:20,305 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20133 states and 30924 transitions. [2022-11-20 10:30:20,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20133 states and 30924 transitions. [2022-11-20 10:30:20,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20133 to 20013. [2022-11-20 10:30:20,676 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) [2022-11-20 10:30:20,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20013 states to 20013 states and 30804 transitions. [2022-11-20 10:30:20,745 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20013 states and 30804 transitions. [2022-11-20 10:30:20,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:30:20,746 INFO L428 stractBuchiCegarLoop]: Abstraction has 20013 states and 30804 transitions. [2022-11-20 10:30:20,747 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2022-11-20 10:30:20,747 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20013 states and 30804 transitions. [2022-11-20 10:30:20,808 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 7984 [2022-11-20 10:30:20,808 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:30:20,808 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:30:20,809 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] [2022-11-20 10:30:20,809 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:30:20,810 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 [2022-11-20 10:30:20,810 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 [2022-11-20 10:30:20,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:20,811 INFO L85 PathProgramCache]: Analyzing trace with hash 823350777, now seen corresponding path program 5 times [2022-11-20 10:30:20,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:20,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725651996] [2022-11-20 10:30:20,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:20,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:20,822 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:30:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:20,833 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:30:20,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:20,834 INFO L85 PathProgramCache]: Analyzing trace with hash -385011466, now seen corresponding path program 1 times [2022-11-20 10:30:20,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:20,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368201216] [2022-11-20 10:30:20,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:20,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:20,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:20,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:30:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:20,948 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:30:20,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:30:20,949 INFO L85 PathProgramCache]: Analyzing trace with hash -837095426, now seen corresponding path program 1 times [2022-11-20 10:30:20,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:30:20,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497137278] [2022-11-20 10:30:20,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:30:20,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:30:20,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:20,967 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:30:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:20,978 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:30:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:22,365 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:30:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:30:22,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:30:22 BoogieIcfgContainer [2022-11-20 10:30:22,486 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 10:30:22,487 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:30:22,487 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:30:22,488 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:30:22,488 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:30:07" (3/4) ... [2022-11-20 10:30:22,491 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-20 10:30:22,548 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:30:22,549 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:30:22,549 INFO L158 Benchmark]: Toolchain (without parser) took 16901.49ms. Allocated memory was 134.2MB in the beginning and 583.0MB in the end (delta: 448.8MB). Free memory was 95.8MB in the beginning and 344.2MB in the end (delta: -248.5MB). Peak memory consumption was 202.3MB. Max. memory is 16.1GB. [2022-11-20 10:30:22,550 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 134.2MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:30:22,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 490.85ms. Allocated memory is still 134.2MB. Free memory was 95.3MB in the beginning and 80.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 10:30:22,550 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.19ms. Allocated memory is still 134.2MB. Free memory was 80.6MB in the beginning and 78.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:30:22,551 INFO L158 Benchmark]: Boogie Preprocessor took 38.37ms. Allocated memory is still 134.2MB. Free memory was 78.6MB in the beginning and 76.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:30:22,551 INFO L158 Benchmark]: RCFGBuilder took 888.07ms. Allocated memory is still 134.2MB. Free memory was 76.5MB in the beginning and 53.2MB in the end (delta: 23.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-20 10:30:22,552 INFO L158 Benchmark]: BuchiAutomizer took 15363.76ms. Allocated memory was 134.2MB in the beginning and 583.0MB in the end (delta: 448.8MB). Free memory was 53.2MB in the beginning and 349.5MB in the end (delta: -296.3MB). Peak memory consumption was 154.1MB. Max. memory is 16.1GB. [2022-11-20 10:30:22,552 INFO L158 Benchmark]: Witness Printer took 61.82ms. Allocated memory is still 583.0MB. Free memory was 349.5MB in the beginning and 344.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 10:30:22,554 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 134.2MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 490.85ms. Allocated memory is still 134.2MB. Free memory was 95.3MB in the beginning and 80.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.19ms. Allocated memory is still 134.2MB. Free memory was 80.6MB in the beginning and 78.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.37ms. Allocated memory is still 134.2MB. Free memory was 78.6MB in the beginning and 76.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 888.07ms. Allocated memory is still 134.2MB. Free memory was 76.5MB in the beginning and 53.2MB in the end (delta: 23.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 15363.76ms. Allocated memory was 134.2MB in the beginning and 583.0MB in the end (delta: 448.8MB). Free memory was 53.2MB in the beginning and 349.5MB in the end (delta: -296.3MB). Peak memory consumption was 154.1MB. Max. memory is 16.1GB. * Witness Printer took 61.82ms. Allocated memory is still 583.0MB. Free memory was 349.5MB in the beginning and 344.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. 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 15.1s and 15 iterations. TraceHistogramMax:1. Analysis of lassos took 9.5s. Construction of modules took 0.5s. Büchi inclusion checks took 4.3s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 11. Automata minimization 1.8s AutomataMinimizationTime, 17 MinimizatonAttempts, 1393 StatesRemovedByMinimization, 7 NontrivialMinimizations. Non-live state removal took 0.9s 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, 0.7s 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: 36ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 13 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.7s 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! [2022-11-20 10:30:22,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dfdfcd44-2d5e-4785-84f6-5ce05260d4cd/bin/uautomizer-ug76WZFUDN/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)