./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.3.ufo.BOUNDED-6.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 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_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.3.ufo.BOUNDED-6.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8 --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 c3ae342bfdc7bf76083bf4321cb5b6b26fe707bda9cd6edf475282aebbd1033a --- 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-2329fc7 [2022-12-13 19:24:22,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 19:24:22,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 19:24:22,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 19:24:22,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 19:24:22,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 19:24:22,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 19:24:22,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 19:24:22,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 19:24:22,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 19:24:22,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 19:24:22,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 19:24:22,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 19:24:22,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 19:24:22,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 19:24:22,145 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 19:24:22,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 19:24:22,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 19:24:22,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 19:24:22,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 19:24:22,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 19:24:22,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 19:24:22,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 19:24:22,155 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 19:24:22,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 19:24:22,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 19:24:22,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 19:24:22,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 19:24:22,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 19:24:22,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 19:24:22,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 19:24:22,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 19:24:22,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 19:24:22,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 19:24:22,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 19:24:22,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 19:24:22,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 19:24:22,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 19:24:22,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 19:24:22,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 19:24:22,167 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 19:24:22,168 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 19:24:22,190 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 19:24:22,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 19:24:22,191 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 19:24:22,191 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 19:24:22,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 19:24:22,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 19:24:22,193 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 19:24:22,193 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 19:24:22,193 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 19:24:22,193 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 19:24:22,194 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 19:24:22,194 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 19:24:22,194 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 19:24:22,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 19:24:22,194 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 19:24:22,195 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 19:24:22,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 19:24:22,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 19:24:22,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 19:24:22,195 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 19:24:22,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 19:24:22,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 19:24:22,196 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 19:24:22,196 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 19:24:22,196 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 19:24:22,196 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 19:24:22,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 19:24:22,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 19:24:22,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 19:24:22,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 19:24:22,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 19:24:22,198 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 19:24:22,199 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_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3ae342bfdc7bf76083bf4321cb5b6b26fe707bda9cd6edf475282aebbd1033a [2022-12-13 19:24:22,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 19:24:22,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 19:24:22,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 19:24:22,418 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 19:24:22,419 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 19:24:22,420 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.3.ufo.BOUNDED-6.pals.c [2022-12-13 19:24:24,946 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 19:24:25,153 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 19:24:25,153 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.3.ufo.BOUNDED-6.pals.c [2022-12-13 19:24:25,161 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/data/ddce85fb4/cced87aa0f3041c88e9e553479724947/FLAG7e6cc3c5a [2022-12-13 19:24:25,517 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/data/ddce85fb4/cced87aa0f3041c88e9e553479724947 [2022-12-13 19:24:25,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 19:24:25,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 19:24:25,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 19:24:25,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 19:24:25,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 19:24:25,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:24:25" (1/1) ... [2022-12-13 19:24:25,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ff90e68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:24:25, skipping insertion in model container [2022-12-13 19:24:25,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 07:24:25" (1/1) ... [2022-12-13 19:24:25,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 19:24:25,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 19:24:25,721 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_0b260b21-1dfa-4d51-858a-6535cff5c67a/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.3.ufo.BOUNDED-6.pals.c[12764,12777] [2022-12-13 19:24:25,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:24:25,731 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 19:24:25,768 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_0b260b21-1dfa-4d51-858a-6535cff5c67a/sv-benchmarks/c/seq-mthreaded/pals_floodmax.3.3.ufo.BOUNDED-6.pals.c[12764,12777] [2022-12-13 19:24:25,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 19:24:25,780 INFO L208 MainTranslator]: Completed translation [2022-12-13 19:24:25,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:24:25 WrapperNode [2022-12-13 19:24:25,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 19:24:25,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 19:24:25,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 19:24:25,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 19:24:25,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:24:25" (1/1) ... [2022-12-13 19:24:25,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:24:25" (1/1) ... [2022-12-13 19:24:25,813 INFO L138 Inliner]: procedures = 21, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 397 [2022-12-13 19:24:25,813 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 19:24:25,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 19:24:25,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 19:24:25,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 19:24:25,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:24:25" (1/1) ... [2022-12-13 19:24:25,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:24:25" (1/1) ... [2022-12-13 19:24:25,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:24:25" (1/1) ... [2022-12-13 19:24:25,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:24:25" (1/1) ... [2022-12-13 19:24:25,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:24:25" (1/1) ... [2022-12-13 19:24:25,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:24:25" (1/1) ... [2022-12-13 19:24:25,840 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:24:25" (1/1) ... [2022-12-13 19:24:25,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:24:25" (1/1) ... [2022-12-13 19:24:25,845 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 19:24:25,846 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 19:24:25,846 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 19:24:25,846 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 19:24:25,847 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:24:25" (1/1) ... [2022-12-13 19:24:25,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:24:25,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:24:25,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:24:25,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 19:24:25,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 19:24:25,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 19:24:25,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 19:24:25,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 19:24:25,980 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 19:24:25,982 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 19:24:26,346 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 19:24:26,354 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 19:24:26,355 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 19:24:26,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:24:26 BoogieIcfgContainer [2022-12-13 19:24:26,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 19:24:26,358 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 19:24:26,358 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 19:24:26,361 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 19:24:26,361 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 19:24:26,362 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 07:24:25" (1/3) ... [2022-12-13 19:24:26,362 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d4bcb13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 07:24:26, skipping insertion in model container [2022-12-13 19:24:26,362 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 19:24:26,363 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 07:24:25" (2/3) ... [2022-12-13 19:24:26,363 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d4bcb13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 07:24:26, skipping insertion in model container [2022-12-13 19:24:26,363 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 19:24:26,363 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:24:26" (3/3) ... [2022-12-13 19:24:26,365 INFO L332 chiAutomizerObserver]: Analyzing ICFG pals_floodmax.3.3.ufo.BOUNDED-6.pals.c [2022-12-13 19:24:26,412 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 19:24:26,412 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 19:24:26,412 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 19:24:26,412 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 19:24:26,413 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 19:24:26,413 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 19:24:26,413 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 19:24:26,413 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 19:24:26,417 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 118 states, 117 states have (on average 1.7777777777777777) internal successors, (208), 117 states have internal predecessors, (208), 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) [2022-12-13 19:24:26,437 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 57 [2022-12-13 19:24:26,438 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 19:24:26,438 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 19:24:26,444 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] [2022-12-13 19:24:26,444 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:24:26,445 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 19:24:26,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 118 states, 117 states have (on average 1.7777777777777777) internal successors, (208), 117 states have internal predecessors, (208), 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) [2022-12-13 19:24:26,451 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 57 [2022-12-13 19:24:26,451 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 19:24:26,452 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 19:24:26,453 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] [2022-12-13 19:24:26,453 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:24:26,460 INFO L748 eck$LassoCheckResult]: Stem: 34#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0; 40#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~ret31#1, main_#t~ret32#1, main_#t~post33#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~ep21~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~ep23~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~ep31~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~ep32~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~r1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~nl1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~m1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~max1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~mode1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~id2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~r2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~st2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~nl2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~m2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~max2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~id3~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~r3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~nl3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~m3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~max3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r212~0#1;havoc init_~tmp___1~0#1;havoc init_~r232~0#1;havoc init_~tmp___2~0#1;havoc init_~r312~0#1;havoc init_~tmp___3~0#1;havoc init_~r322~0#1;havoc init_~tmp___4~0#1;havoc init_~tmp___5~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0; 83#L228true assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 43#L231-1true init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 31#L241true assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 27#L244-1true init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 51#L254true assume 0 != init_~r211~0#1 % 256;init_~tmp___1~0#1 := 1; 54#L257-1true init_~r212~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 25#L267true assume 0 != init_~r231~0#1 % 256;init_~tmp___2~0#1 := 1; 13#L270-1true init_~r232~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 91#L280true assume 0 != init_~r311~0#1 % 256;init_~tmp___3~0#1 := 1; 71#L283-1true init_~r312~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 107#L293true assume 0 != init_~r321~0#1 % 256;init_~tmp___4~0#1 := 1; 69#L296-1true init_~r322~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 116#L306true assume !(~id1~0 != ~id2~0);init_~tmp___5~0#1 := 0; 104#L306-1true init_#res#1 := init_~tmp___5~0#1; 88#init_returnLabel#1true main_#t~ret31#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 44#L509true assume !(0 == main_~i2~0#1); 78#L509-2true ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 32#L523-2true [2022-12-13 19:24:26,460 INFO L750 eck$LassoCheckResult]: Loop: 32#L523-2true assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true; 59#L75true assume !(0 != ~mode1~0 % 256); 56#L100true assume !(~r1~0 < 2); 73#L100-1true ~mode1~0 := 1; 105#L75-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 90#L118true assume !(0 != ~mode2~0 % 256); 94#L143true assume !(~r2~0 < 2); 84#L143-1true ~mode2~0 := 1; 57#L118-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 12#L161true assume !(0 != ~mode3~0 % 256); 64#L186true assume !(~r3~0 < 2); 26#L186-1true ~mode3~0 := 1; 5#L161-2true assume { :end_inline_node3 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 19#L423true assume !(~st1~0 + ~st2~0 + ~st3~0 <= 1);check_~tmp~1#1 := 0; 61#L423-1true check_#res#1 := check_~tmp~1#1; 17#check_returnLabel#1true main_#t~ret32#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret32#1;havoc main_#t~ret32#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 76#L553true assume !(0 == assert_~arg#1 % 256); 62#L548true assume { :end_inline_assert } true;main_#t~post33#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post33#1;havoc main_#t~post33#1; 32#L523-2true [2022-12-13 19:24:26,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:24:26,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1727567734, now seen corresponding path program 1 times [2022-12-13 19:24:26,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:24:26,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596356827] [2022-12-13 19:24:26,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:24:26,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:24:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:24:26,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:24:26,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:24:26,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596356827] [2022-12-13 19:24:26,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596356827] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:24:26,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:24:26,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:24:26,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268342124] [2022-12-13 19:24:26,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:24:26,732 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 19:24:26,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:24:26,733 INFO L85 PathProgramCache]: Analyzing trace with hash -310748369, now seen corresponding path program 1 times [2022-12-13 19:24:26,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:24:26,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239974605] [2022-12-13 19:24:26,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:24:26,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:24:26,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:24:26,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:24:26,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:24:26,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239974605] [2022-12-13 19:24:26,860 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239974605] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:24:26,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:24:26,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:24:26,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878410914] [2022-12-13 19:24:26,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:24:26,862 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 19:24:26,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:24:26,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:24:26,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:24:26,887 INFO L87 Difference]: Start difference. First operand has 118 states, 117 states have (on average 1.7777777777777777) internal successors, (208), 117 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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) [2022-12-13 19:24:26,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:24:26,950 INFO L93 Difference]: Finished difference Result 122 states and 208 transitions. [2022-12-13 19:24:26,952 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 122 states and 208 transitions. [2022-12-13 19:24:26,955 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2022-12-13 19:24:26,959 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 122 states to 113 states and 192 transitions. [2022-12-13 19:24:26,961 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 113 [2022-12-13 19:24:26,961 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 113 [2022-12-13 19:24:26,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 113 states and 192 transitions. [2022-12-13 19:24:26,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:24:26,963 INFO L218 hiAutomatonCegarLoop]: Abstraction has 113 states and 192 transitions. [2022-12-13 19:24:26,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states and 192 transitions. [2022-12-13 19:24:26,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2022-12-13 19:24:26,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 113 states have (on average 1.6991150442477876) internal successors, (192), 112 states have internal predecessors, (192), 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) [2022-12-13 19:24:26,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 192 transitions. [2022-12-13 19:24:26,990 INFO L240 hiAutomatonCegarLoop]: Abstraction has 113 states and 192 transitions. [2022-12-13 19:24:26,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 19:24:26,993 INFO L428 stractBuchiCegarLoop]: Abstraction has 113 states and 192 transitions. [2022-12-13 19:24:26,993 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 19:24:26,994 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 113 states and 192 transitions. [2022-12-13 19:24:26,995 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2022-12-13 19:24:26,995 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 19:24:26,995 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 19:24:26,995 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] [2022-12-13 19:24:26,995 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] [2022-12-13 19:24:26,996 INFO L748 eck$LassoCheckResult]: Stem: 313#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0; 314#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~ret31#1, main_#t~ret32#1, main_#t~post33#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~ep21~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~ep23~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~ep31~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~ep32~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~r1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~nl1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~m1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~max1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~mode1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~id2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~r2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~st2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~nl2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~m2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~max2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~id3~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~r3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~nl3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~m3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~max3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r212~0#1;havoc init_~tmp___1~0#1;havoc init_~r232~0#1;havoc init_~tmp___2~0#1;havoc init_~r312~0#1;havoc init_~tmp___3~0#1;havoc init_~r322~0#1;havoc init_~tmp___4~0#1;havoc init_~tmp___5~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0; 323#L228 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 326#L231-1 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 308#L241 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 268#L244-1 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 306#L254 assume 0 != init_~r211~0#1 % 256;init_~tmp___1~0#1 := 1; 316#L257-1 init_~r212~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 304#L267 assume 0 != init_~r231~0#1 % 256;init_~tmp___2~0#1 := 1; 272#L270-1 init_~r232~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 282#L280 assume 0 != init_~r311~0#1 % 256;init_~tmp___3~0#1 := 1; 346#L283-1 init_~r312~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 352#L293 assume 0 != init_~r321~0#1 % 256;init_~tmp___4~0#1 := 1; 318#L296-1 init_~r322~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 350#L306 assume !(~id1~0 != ~id2~0);init_~tmp___5~0#1 := 0; 260#L306-1 init_#res#1 := init_~tmp___5~0#1; 361#init_returnLabel#1 main_#t~ret31#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 327#L509 assume !(0 == main_~i2~0#1); 328#L509-2 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 309#L523-2 [2022-12-13 19:24:26,996 INFO L750 eck$LassoCheckResult]: Loop: 309#L523-2 assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true; 310#L75 assume !(0 != ~mode1~0 % 256); 339#L100 assume !(~r1~0 < 2); 341#L100-1 ~mode1~0 := 1; 301#L75-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 362#L118 assume !(0 != ~mode2~0 % 256); 363#L143 assume !(~r2~0 < 2); 351#L143-1 ~mode2~0 := 1; 342#L118-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 279#L161 assume !(0 != ~mode3~0 % 256); 281#L186 assume !(~r3~0 < 2); 305#L186-1 ~mode3~0 := 1; 263#L161-2 assume { :end_inline_node3 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 264#L423 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 294#L424 assume ~st1~0 + ~nl1~0 <= 1; 367#L425 assume ~st2~0 + ~nl2~0 <= 1; 368#L426 assume ~st3~0 + ~nl3~0 <= 1; 360#L427 assume ~r1~0 >= 2; 288#$Ultimate##248 assume ~r1~0 < 2; 283#$Ultimate##252 assume ~r1~0 >= 2; 284#$Ultimate##256 assume ~r1~0 < 2;check_~tmp~1#1 := 1; 322#L423-1 check_#res#1 := check_~tmp~1#1; 289#check_returnLabel#1 main_#t~ret32#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret32#1;havoc main_#t~ret32#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 290#L553 assume !(0 == assert_~arg#1 % 256); 344#L548 assume { :end_inline_assert } true;main_#t~post33#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post33#1;havoc main_#t~post33#1; 309#L523-2 [2022-12-13 19:24:26,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:24:26,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1727567734, now seen corresponding path program 2 times [2022-12-13 19:24:26,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:24:26,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935568619] [2022-12-13 19:24:26,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:24:26,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:24:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:24:27,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:24:27,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:24:27,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935568619] [2022-12-13 19:24:27,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935568619] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:24:27,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:24:27,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 19:24:27,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526044028] [2022-12-13 19:24:27,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:24:27,051 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 19:24:27,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:24:27,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1234927130, now seen corresponding path program 1 times [2022-12-13 19:24:27,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:24:27,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187842845] [2022-12-13 19:24:27,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:24:27,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:24:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:24:27,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:24:27,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:24:27,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187842845] [2022-12-13 19:24:27,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187842845] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:24:27,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:24:27,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:24:27,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137366] [2022-12-13 19:24:27,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:24:27,074 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 19:24:27,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:24:27,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 19:24:27,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 19:24:27,075 INFO L87 Difference]: Start difference. First operand 113 states and 192 transitions. cyclomatic complexity: 80 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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) [2022-12-13 19:24:27,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:24:27,132 INFO L93 Difference]: Finished difference Result 172 states and 284 transitions. [2022-12-13 19:24:27,132 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 172 states and 284 transitions. [2022-12-13 19:24:27,134 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2022-12-13 19:24:27,135 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 172 states to 169 states and 255 transitions. [2022-12-13 19:24:27,135 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 169 [2022-12-13 19:24:27,135 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 169 [2022-12-13 19:24:27,136 INFO L73 IsDeterministic]: Start isDeterministic. Operand 169 states and 255 transitions. [2022-12-13 19:24:27,136 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:24:27,136 INFO L218 hiAutomatonCegarLoop]: Abstraction has 169 states and 255 transitions. [2022-12-13 19:24:27,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states and 255 transitions. [2022-12-13 19:24:27,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 113. [2022-12-13 19:24:27,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 113 states have (on average 1.4601769911504425) internal successors, (165), 112 states have internal predecessors, (165), 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) [2022-12-13 19:24:27,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2022-12-13 19:24:27,141 INFO L240 hiAutomatonCegarLoop]: Abstraction has 113 states and 165 transitions. [2022-12-13 19:24:27,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 19:24:27,142 INFO L428 stractBuchiCegarLoop]: Abstraction has 113 states and 165 transitions. [2022-12-13 19:24:27,142 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 19:24:27,142 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 113 states and 165 transitions. [2022-12-13 19:24:27,143 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2022-12-13 19:24:27,143 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 19:24:27,143 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 19:24:27,144 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:24:27,144 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] [2022-12-13 19:24:27,145 INFO L748 eck$LassoCheckResult]: Stem: 611#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0; 612#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~ret31#1, main_#t~ret32#1, main_#t~post33#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~ep21~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~ep23~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~ep31~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~ep32~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~r1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~nl1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~m1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~max1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~mode1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~id2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~r2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~st2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~nl2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~m2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~max2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~id3~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~r3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~nl3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~m3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~max3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r212~0#1;havoc init_~tmp___1~0#1;havoc init_~r232~0#1;havoc init_~tmp___2~0#1;havoc init_~r312~0#1;havoc init_~tmp___3~0#1;havoc init_~r322~0#1;havoc init_~tmp___4~0#1;havoc init_~tmp___5~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0; 621#L228 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 624#L231-1 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 606#L241 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 565#L244-1 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 603#L254 assume 0 != init_~r211~0#1 % 256;init_~tmp___1~0#1 := 1; 614#L257-1 init_~r212~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 601#L267 assume 0 != init_~r231~0#1 % 256;init_~tmp___2~0#1 := 1; 569#L270-1 init_~r232~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 579#L280 assume 0 != init_~r311~0#1 % 256;init_~tmp___3~0#1 := 1; 644#L283-1 init_~r312~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 650#L293 assume 0 != init_~r321~0#1 % 256;init_~tmp___4~0#1 := 1; 616#L296-1 init_~r322~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 649#L306 assume ~id1~0 != ~id2~0; 652#L307 assume ~id1~0 != ~id3~0; 574#L308 assume ~id2~0 != ~id3~0; 575#L309 assume ~id1~0 >= 0; 651#L310 assume ~id2~0 >= 0; 630#L311 assume ~id3~0 >= 0; 631#L312 assume 0 == ~r1~0; 599#L313 assume 0 == ~r2~0; 600#L314 assume 0 == ~r3~0; 622#L315 assume 0 != init_~r122~0#1 % 256; 623#L316 assume 0 != init_~r132~0#1 % 256; 558#L317 assume 0 != init_~r212~0#1 % 256; 559#L318 assume 0 != init_~r232~0#1 % 256; 668#L319 assume 0 != init_~r312~0#1 % 256; 655#L320 assume 0 != init_~r322~0#1 % 256; 646#L321 assume ~max1~0 == ~id1~0; 647#L322 assume ~max2~0 == ~id2~0; 556#L323 assume ~max3~0 == ~id3~0; 557#L324 assume 0 == ~st1~0; 585#L325 assume 0 == ~st2~0; 605#L326 assume 0 == ~st3~0; 592#L327 assume 0 == ~nl1~0; 593#L328 assume 0 == ~nl2~0; 617#L329 assume 0 == ~nl3~0; 618#L330 assume 0 == ~mode1~0 % 256; 572#L331 assume 0 == ~mode2~0 % 256; 573#L332 assume 0 == ~mode3~0 % 256;init_~tmp___5~0#1 := 1; 604#L306-1 init_#res#1 := init_~tmp___5~0#1; 659#init_returnLabel#1 main_#t~ret31#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 628#L509 assume !(0 == main_~i2~0#1); 629#L509-2 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 609#L523-2 [2022-12-13 19:24:27,145 INFO L750 eck$LassoCheckResult]: Loop: 609#L523-2 assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true; 610#L75 assume !(0 != ~mode1~0 % 256); 638#L100 assume !(~r1~0 < 2); 640#L100-1 ~mode1~0 := 1; 598#L75-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 660#L118 assume !(0 != ~mode2~0 % 256); 661#L143 assume !(~r2~0 < 2); 648#L143-1 ~mode2~0 := 1; 637#L118-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 576#L161 assume !(0 != ~mode3~0 % 256); 578#L186 assume !(~r3~0 < 2); 602#L186-1 ~mode3~0 := 1; 560#L161-2 assume { :end_inline_node3 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 561#L423 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 591#L424 assume ~st1~0 + ~nl1~0 <= 1; 665#L425 assume ~st2~0 + ~nl2~0 <= 1; 666#L426 assume ~st3~0 + ~nl3~0 <= 1; 658#L427 assume ~r1~0 >= 2; 584#$Ultimate##248 assume ~r1~0 < 2; 580#$Ultimate##252 assume ~r1~0 >= 2; 581#$Ultimate##256 assume ~r1~0 < 2;check_~tmp~1#1 := 1; 620#L423-1 check_#res#1 := check_~tmp~1#1; 586#check_returnLabel#1 main_#t~ret32#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret32#1;havoc main_#t~ret32#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 587#L553 assume !(0 == assert_~arg#1 % 256); 642#L548 assume { :end_inline_assert } true;main_#t~post33#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post33#1;havoc main_#t~post33#1; 609#L523-2 [2022-12-13 19:24:27,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:24:27,145 INFO L85 PathProgramCache]: Analyzing trace with hash -97176065, now seen corresponding path program 1 times [2022-12-13 19:24:27,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:24:27,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158701428] [2022-12-13 19:24:27,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:24:27,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:24:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:24:27,166 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:24:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:24:27,205 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:24:27,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:24:27,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1234927130, now seen corresponding path program 2 times [2022-12-13 19:24:27,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:24:27,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347332748] [2022-12-13 19:24:27,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:24:27,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:24:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:24:27,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:24:27,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:24:27,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347332748] [2022-12-13 19:24:27,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347332748] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:24:27,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:24:27,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:24:27,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620995446] [2022-12-13 19:24:27,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:24:27,244 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 19:24:27,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:24:27,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:24:27,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:24:27,245 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. cyclomatic complexity: 53 Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 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) [2022-12-13 19:24:27,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:24:27,278 INFO L93 Difference]: Finished difference Result 157 states and 230 transitions. [2022-12-13 19:24:27,278 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 157 states and 230 transitions. [2022-12-13 19:24:27,280 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 100 [2022-12-13 19:24:27,281 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 157 states to 157 states and 230 transitions. [2022-12-13 19:24:27,281 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 157 [2022-12-13 19:24:27,281 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 157 [2022-12-13 19:24:27,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 157 states and 230 transitions. [2022-12-13 19:24:27,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:24:27,283 INFO L218 hiAutomatonCegarLoop]: Abstraction has 157 states and 230 transitions. [2022-12-13 19:24:27,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states and 230 transitions. [2022-12-13 19:24:27,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2022-12-13 19:24:27,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 157 states have (on average 1.464968152866242) internal successors, (230), 156 states have internal predecessors, (230), 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) [2022-12-13 19:24:27,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 230 transitions. [2022-12-13 19:24:27,290 INFO L240 hiAutomatonCegarLoop]: Abstraction has 157 states and 230 transitions. [2022-12-13 19:24:27,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 19:24:27,291 INFO L428 stractBuchiCegarLoop]: Abstraction has 157 states and 230 transitions. [2022-12-13 19:24:27,291 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 19:24:27,291 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 157 states and 230 transitions. [2022-12-13 19:24:27,293 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 100 [2022-12-13 19:24:27,293 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 19:24:27,293 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 19:24:27,294 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:24:27,294 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 19:24:27,294 INFO L748 eck$LassoCheckResult]: Stem: 887#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3);~nomsg~0 := -1;~p12~0 := 0;~p12_old~0 := 0;~p12_new~0 := 0;~ep12~0 := 0;~p13~0 := 0;~p13_old~0 := 0;~p13_new~0 := 0;~ep13~0 := 0;~p21~0 := 0;~p21_old~0 := 0;~p21_new~0 := 0;~ep21~0 := 0;~p23~0 := 0;~p23_old~0 := 0;~p23_new~0 := 0;~ep23~0 := 0;~p31~0 := 0;~p31_old~0 := 0;~p31_new~0 := 0;~ep31~0 := 0;~p32~0 := 0;~p32_old~0 := 0;~p32_new~0 := 0;~ep32~0 := 0;~id1~0 := 0;~r1~0 := 0;~st1~0 := 0;~nl1~0 := 0;~m1~0 := 0;~max1~0 := 0;~mode1~0 := 0;~id2~0 := 0;~r2~0 := 0;~st2~0 := 0;~nl2~0 := 0;~m2~0 := 0;~max2~0 := 0;~mode2~0 := 0;~id3~0 := 0;~r3~0 := 0;~st3~0 := 0;~nl3~0 := 0;~m3~0 := 0;~max3~0 := 0;~mode3~0 := 0; 888#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~ret31#1, main_#t~ret32#1, main_#t~post33#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~ep21~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~ep23~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~ep31~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~ep32~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id1~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~r1~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~st1~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~nl1~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~m1~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~max1~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~mode1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~id2~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~r2~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~st2~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~nl2~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~m2~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~max2~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode2~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~id3~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~r3~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st3~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~nl3~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~m3~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~max3~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode3~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r211~0#1, init_~r231~0#1, init_~r311~0#1, init_~r321~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r212~0#1, init_~tmp___1~0#1, init_~r232~0#1, init_~tmp___2~0#1, init_~r312~0#1, init_~tmp___3~0#1, init_~r322~0#1, init_~tmp___4~0#1, init_~tmp___5~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r212~0#1;havoc init_~tmp___1~0#1;havoc init_~r232~0#1;havoc init_~tmp___2~0#1;havoc init_~r312~0#1;havoc init_~tmp___3~0#1;havoc init_~r322~0#1;havoc init_~tmp___4~0#1;havoc init_~tmp___5~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0; 897#L228 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 900#L231-1 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 882#L241 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 841#L244-1 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 879#L254 assume 0 != init_~r211~0#1 % 256;init_~tmp___1~0#1 := 1; 890#L257-1 init_~r212~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 877#L267 assume 0 != init_~r231~0#1 % 256;init_~tmp___2~0#1 := 1; 845#L270-1 init_~r232~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 855#L280 assume 0 != init_~r311~0#1 % 256;init_~tmp___3~0#1 := 1; 920#L283-1 init_~r312~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 927#L293 assume 0 != init_~r321~0#1 % 256;init_~tmp___4~0#1 := 1; 892#L296-1 init_~r322~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 926#L306 assume ~id1~0 != ~id2~0; 929#L307 assume ~id1~0 != ~id3~0; 850#L308 assume ~id2~0 != ~id3~0; 851#L309 assume ~id1~0 >= 0; 928#L310 assume ~id2~0 >= 0; 906#L311 assume ~id3~0 >= 0; 907#L312 assume 0 == ~r1~0; 875#L313 assume 0 == ~r2~0; 876#L314 assume 0 == ~r3~0; 898#L315 assume 0 != init_~r122~0#1 % 256; 899#L316 assume 0 != init_~r132~0#1 % 256; 834#L317 assume 0 != init_~r212~0#1 % 256; 835#L318 assume 0 != init_~r232~0#1 % 256; 951#L319 assume 0 != init_~r312~0#1 % 256; 933#L320 assume 0 != init_~r322~0#1 % 256; 922#L321 assume ~max1~0 == ~id1~0; 923#L322 assume ~max2~0 == ~id2~0; 832#L323 assume ~max3~0 == ~id3~0; 833#L324 assume 0 == ~st1~0; 860#L325 assume 0 == ~st2~0; 881#L326 assume 0 == ~st3~0; 867#L327 assume 0 == ~nl1~0; 868#L328 assume 0 == ~nl2~0; 893#L329 assume 0 == ~nl3~0; 894#L330 assume 0 == ~mode1~0 % 256; 848#L331 assume 0 == ~mode2~0 % 256; 849#L332 assume 0 == ~mode3~0 % 256;init_~tmp___5~0#1 := 1; 880#L306-1 init_#res#1 := init_~tmp___5~0#1; 938#init_returnLabel#1 main_#t~ret31#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret31#1;havoc main_#t~ret31#1; 901#L509 assume !(0 == main_~i2~0#1); 902#L509-2 ~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 932#L523-2 [2022-12-13 19:24:27,295 INFO L750 eck$LassoCheckResult]: Loop: 932#L523-2 assume !!(main_~i2~0#1 < 6);assume { :begin_inline_node1 } true; 953#L75 assume 0 != ~mode1~0 % 256;~r1~0 := (if (1 + ~r1~0) % 256 <= 127 then (1 + ~r1~0) % 256 else (1 + ~r1~0) % 256 - 256); 917#L77 assume !(0 != ~ep21~0 % 256); 847#L77-1 assume !(0 != ~ep31~0 % 256); 913#L84 assume !(2 == ~r1~0); 949#L91 ~mode1~0 := 0; 983#L75-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true; 981#L118 assume !(0 != ~mode2~0 % 256); 982#L143 assume !(~r2~0 < 2); 973#L143-1 ~mode2~0 := 1; 972#L118-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true; 971#L161 assume !(0 != ~mode3~0 % 256); 968#L186 assume !(~r3~0 < 2); 965#L186-1 ~mode3~0 := 1; 964#L161-2 assume { :end_inline_node3 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 963#L423 assume ~st1~0 + ~st2~0 + ~st3~0 <= 1; 962#L424 assume ~st1~0 + ~nl1~0 <= 1; 961#L425 assume ~st2~0 + ~nl2~0 <= 1; 960#L426 assume ~st3~0 + ~nl3~0 <= 1; 959#L427 assume !(~r1~0 >= 2); 858#L430 assume 0 == ~st1~0 + ~st2~0 + ~st3~0; 859#$Ultimate##248 assume ~r1~0 < 2; 958#$Ultimate##252 assume !(~r1~0 >= 2); 942#L440 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0; 943#$Ultimate##256 assume ~r1~0 < 2;check_~tmp~1#1 := 1; 957#L423-1 check_#res#1 := check_~tmp~1#1; 956#check_returnLabel#1 main_#t~ret32#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret32#1;havoc main_#t~ret32#1;assume { :begin_inline_assert } true;assert_#in~arg#1 := (if 0 == main_~c1~0#1 then 0 else 1);havoc assert_~arg#1;assert_~arg#1 := assert_#in~arg#1; 955#L553 assume !(0 == assert_~arg#1 % 256); 954#L548 assume { :end_inline_assert } true;main_#t~post33#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post33#1;havoc main_#t~post33#1; 932#L523-2 [2022-12-13 19:24:27,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:24:27,295 INFO L85 PathProgramCache]: Analyzing trace with hash -97176065, now seen corresponding path program 2 times [2022-12-13 19:24:27,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:24:27,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925696308] [2022-12-13 19:24:27,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:24:27,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:24:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:24:27,320 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:24:27,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:24:27,349 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:24:27,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:24:27,350 INFO L85 PathProgramCache]: Analyzing trace with hash -1448004459, now seen corresponding path program 1 times [2022-12-13 19:24:27,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:24:27,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781307851] [2022-12-13 19:24:27,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:24:27,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:24:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:24:27,361 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 19:24:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 19:24:27,369 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 19:24:27,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:24:27,369 INFO L85 PathProgramCache]: Analyzing trace with hash -495556777, now seen corresponding path program 1 times [2022-12-13 19:24:27,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 19:24:27,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106815126] [2022-12-13 19:24:27,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 19:24:27,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 19:24:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:24:27,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:24:27,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 19:24:27,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106815126] [2022-12-13 19:24:27,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106815126] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 19:24:27,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 19:24:27,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 19:24:27,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211546628] [2022-12-13 19:24:27,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 19:24:27,986 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 19:24:27,986 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 19:24:27,987 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 19:24:27,987 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 19:24:27,987 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 19:24:27,987 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:24:27,987 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 19:24:27,987 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 19:24:27,987 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.3.3.ufo.BOUNDED-6.pals.c_Iteration4_Loop [2022-12-13 19:24:27,987 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 19:24:27,987 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 19:24:28,004 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,013 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,018 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,019 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,022 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,031 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,033 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,037 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,050 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,052 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,056 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,061 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,063 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,076 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,078 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,450 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 19:24:28,450 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 19:24:28,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:24:28,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:24:28,454 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:24:28,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 19:24:28,456 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 19:24:28,456 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 19:24:28,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 19:24:28,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:24:28,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:24:28,473 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:24:28,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 19:24:28,475 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 19:24:28,475 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 19:24:28,563 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 19:24:28,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 19:24:28,567 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 19:24:28,567 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 19:24:28,567 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 19:24:28,567 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 19:24:28,567 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 19:24:28,567 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:24:28,567 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 19:24:28,567 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 19:24:28,567 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_floodmax.3.3.ufo.BOUNDED-6.pals.c_Iteration4_Loop [2022-12-13 19:24:28,567 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 19:24:28,567 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 19:24:28,569 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,574 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,575 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,579 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,582 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,590 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,592 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,608 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,612 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,623 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,625 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,629 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,634 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,636 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,637 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 19:24:28,956 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 19:24:28,960 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 19:24:28,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:24:28,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:24:28,961 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:24:28,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 19:24:28,963 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 [2022-12-13 19:24:28,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:24:28,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:24:28,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:24:28,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:24:28,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:24:28,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:24:28,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:24:28,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:24:28,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 19:24:28,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:24:28,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:24:28,983 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:24:28,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 19:24:28,985 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 [2022-12-13 19:24:28,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:24:28,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:24:28,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:24:28,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:24:28,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:24:28,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:24:28,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:24:28,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:24:29,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 19:24:29,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:24:29,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:24:29,002 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:24:29,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 19:24:29,004 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 [2022-12-13 19:24:29,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:24:29,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:24:29,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:24:29,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:24:29,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:24:29,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:24:29,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:24:29,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:24:29,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 19:24:29,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:24:29,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:24:29,022 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:24:29,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 19:24:29,031 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 [2022-12-13 19:24:29,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:24:29,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:24:29,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:24:29,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:24:29,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:24:29,045 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:24:29,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:24:29,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:24:29,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 19:24:29,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:24:29,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:24:29,050 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:24:29,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 19:24:29,053 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 [2022-12-13 19:24:29,063 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:24:29,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:24:29,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:24:29,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:24:29,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:24:29,064 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:24:29,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:24:29,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:24:29,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-12-13 19:24:29,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:24:29,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:24:29,071 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:24:29,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 19:24:29,073 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 [2022-12-13 19:24:29,083 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:24:29,083 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:24:29,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:24:29,083 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:24:29,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:24:29,084 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:24:29,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:24:29,086 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:24:29,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 19:24:29,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:24:29,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:24:29,089 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:24:29,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 19:24:29,091 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 [2022-12-13 19:24:29,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:24:29,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:24:29,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:24:29,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:24:29,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:24:29,106 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:24:29,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:24:29,110 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 19:24:29,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-12-13 19:24:29,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:24:29,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:24:29,113 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:24:29,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 19:24:29,116 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 [2022-12-13 19:24:29,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 19:24:29,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 19:24:29,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 19:24:29,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 19:24:29,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 19:24:29,127 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 19:24:29,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 19:24:29,129 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 19:24:29,133 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 19:24:29,133 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 19:24:29,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 19:24:29,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 19:24:29,169 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 19:24:29,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 19:24:29,170 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 19:24:29,171 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 19:24:29,171 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 19:24:29,171 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0#1) = -2*ULTIMATE.start_main_~i2~0#1 + 11 Supporting invariants [] [2022-12-13 19:24:29,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-12-13 19:24:29,175 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 19:24:29,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 19:24:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:24:29,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 19:24:29,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:24:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 19:24:29,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 19:24:29,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 19:24:29,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 19:24:29,413 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 [2022-12-13 19:24:29,414 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 157 states and 230 transitions. cyclomatic complexity: 74 Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2022-12-13 19:24:29,454 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 157 states and 230 transitions. cyclomatic complexity: 74. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 256 states and 385 transitions. Complement of second has 4 states. [2022-12-13 19:24:29,455 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 [2022-12-13 19:24:29,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2022-12-13 19:24:29,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 165 transitions. [2022-12-13 19:24:29,457 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 165 transitions. Stem has 45 letters. Loop has 29 letters. [2022-12-13 19:24:29,458 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 19:24:29,458 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 165 transitions. Stem has 74 letters. Loop has 29 letters. [2022-12-13 19:24:29,459 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 19:24:29,459 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 165 transitions. Stem has 45 letters. Loop has 58 letters. [2022-12-13 19:24:29,460 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 19:24:29,460 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 256 states and 385 transitions. [2022-12-13 19:24:29,462 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 19:24:29,463 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 256 states to 0 states and 0 transitions. [2022-12-13 19:24:29,463 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 19:24:29,463 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 19:24:29,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 19:24:29,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:24:29,463 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 19:24:29,463 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 19:24:29,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 19:24:29,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 19:24:29,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 19:24:29,464 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2022-12-13 19:24:29,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 19:24:29,464 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-12-13 19:24:29,464 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-12-13 19:24:29,464 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 19:24:29,464 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 19:24:29,465 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 19:24:29,465 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 19:24:29,465 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 19:24:29,465 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 19:24:29,465 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 19:24:29,465 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 19:24:29,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 19:24:29,466 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 19:24:29,466 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-12-13 19:24:29,466 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 19:24:29,466 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 19:24:29,466 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 19:24:29,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 07:24:29 BoogieIcfgContainer [2022-12-13 19:24:29,472 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 19:24:29,472 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 19:24:29,472 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 19:24:29,472 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 19:24:29,473 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 07:24:26" (3/4) ... [2022-12-13 19:24:29,475 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 19:24:29,476 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 19:24:29,476 INFO L158 Benchmark]: Toolchain (without parser) took 3956.15ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 137.9MB in the beginning and 125.8MB in the end (delta: 12.2MB). Peak memory consumption was 49.5MB. Max. memory is 16.1GB. [2022-12-13 19:24:29,476 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 172.0MB. Free memory is still 148.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:24:29,477 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.90ms. Allocated memory is still 172.0MB. Free memory was 137.5MB in the beginning and 121.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 19:24:29,477 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.15ms. Allocated memory is still 172.0MB. Free memory was 121.3MB in the beginning and 118.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:24:29,477 INFO L158 Benchmark]: Boogie Preprocessor took 31.21ms. Allocated memory is still 172.0MB. Free memory was 118.7MB in the beginning and 116.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 19:24:29,478 INFO L158 Benchmark]: RCFGBuilder took 511.42ms. Allocated memory is still 172.0MB. Free memory was 116.6MB in the beginning and 88.8MB in the end (delta: 27.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-13 19:24:29,478 INFO L158 Benchmark]: BuchiAutomizer took 3114.06ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 88.3MB in the beginning and 125.8MB in the end (delta: -37.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:24:29,479 INFO L158 Benchmark]: Witness Printer took 3.35ms. Allocated memory is still 207.6MB. Free memory is still 125.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 19:24:29,481 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 172.0MB. Free memory is still 148.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.90ms. Allocated memory is still 172.0MB. Free memory was 137.5MB in the beginning and 121.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.15ms. Allocated memory is still 172.0MB. Free memory was 121.3MB in the beginning and 118.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.21ms. Allocated memory is still 172.0MB. Free memory was 118.7MB in the beginning and 116.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 511.42ms. Allocated memory is still 172.0MB. Free memory was 116.6MB in the beginning and 88.8MB in the end (delta: 27.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3114.06ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 88.3MB in the beginning and 125.8MB in the end (delta: -37.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.35ms. Allocated memory is still 207.6MB. Free memory is still 125.8MB. There was no memory consumed. 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 5 terminating modules (4 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i2 + 11 and consists of 3 locations. 4 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 56 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 313 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 312 mSDsluCounter, 2078 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1361 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54 IncrementalHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 717 mSDtfsCounter, 54 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT1 SILN0 SILU0 SILI2 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital160 mio100 ax100 hnf100 lsp23 ukn100 mio100 lsp100 div171 bol100 ite100 ukn100 eq152 hnf97 smp76 dnf105 smp94 tf102 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 19ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-12-13 19:24:29,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-12-13 19:24:29,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b260b21-1dfa-4d51-858a-6535cff5c67a/bin/uautomizer-uyxdKDjOR8/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 Result: TRUE