./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b 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_e5923ec6-7a0e-4f54-b40b-690b2875b9b6/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5923ec6-7a0e-4f54-b40b-690b2875b9b6/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5923ec6-7a0e-4f54-b40b-690b2875b9b6/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5923ec6-7a0e-4f54-b40b-690b2875b9b6/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5923ec6-7a0e-4f54-b40b-690b2875b9b6/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5923ec6-7a0e-4f54-b40b-690b2875b9b6/bin/uautomizer-TMbwUNV5ro --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 cf2e081cc9f75dea6397073b82669a6a6f9f53b1ab4e083e4f8da1bc210df95c --- 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-8393723 [2022-11-18 20:25:04,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:25:04,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:25:05,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:25:05,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:25:05,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:25:05,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:25:05,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:25:05,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:25:05,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:25:05,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:25:05,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:25:05,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:25:05,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:25:05,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:25:05,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:25:05,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:25:05,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:25:05,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:25:05,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:25:05,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:25:05,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:25:05,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:25:05,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:25:05,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:25:05,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:25:05,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:25:05,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:25:05,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:25:05,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:25:05,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:25:05,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:25:05,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:25:05,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:25:05,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:25:05,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:25:05,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:25:05,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:25:05,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:25:05,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:25:05,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:25:05,075 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5923ec6-7a0e-4f54-b40b-690b2875b9b6/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-18 20:25:05,117 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:25:05,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:25:05,125 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:25:05,125 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:25:05,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:25:05,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:25:05,128 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:25:05,128 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:25:05,128 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:25:05,128 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:25:05,128 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:25:05,129 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:25:05,129 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:25:05,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:25:05,129 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:25:05,129 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:25:05,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:25:05,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:25:05,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:25:05,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:25:05,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:25:05,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:25:05,131 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:25:05,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:25:05,131 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:25:05,131 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:25:05,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:25:05,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:25:05,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:25:05,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:25:05,132 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:25:05,134 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:25:05,134 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_e5923ec6-7a0e-4f54-b40b-690b2875b9b6/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5923ec6-7a0e-4f54-b40b-690b2875b9b6/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf2e081cc9f75dea6397073b82669a6a6f9f53b1ab4e083e4f8da1bc210df95c [2022-11-18 20:25:05,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:25:05,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:25:05,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:25:05,431 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:25:05,432 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:25:05,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5923ec6-7a0e-4f54-b40b-690b2875b9b6/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c [2022-11-18 20:25:05,516 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5923ec6-7a0e-4f54-b40b-690b2875b9b6/bin/uautomizer-TMbwUNV5ro/data/0bf816a86/39bac54aac584f7698431996a6fff527/FLAGc1c8f2535 [2022-11-18 20:25:06,004 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:25:06,005 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5923ec6-7a0e-4f54-b40b-690b2875b9b6/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c [2022-11-18 20:25:06,015 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5923ec6-7a0e-4f54-b40b-690b2875b9b6/bin/uautomizer-TMbwUNV5ro/data/0bf816a86/39bac54aac584f7698431996a6fff527/FLAGc1c8f2535 [2022-11-18 20:25:06,311 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5923ec6-7a0e-4f54-b40b-690b2875b9b6/bin/uautomizer-TMbwUNV5ro/data/0bf816a86/39bac54aac584f7698431996a6fff527 [2022-11-18 20:25:06,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:25:06,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:25:06,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:25:06,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:25:06,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:25:06,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:25:06" (1/1) ... [2022-11-18 20:25:06,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f9dfbbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:06, skipping insertion in model container [2022-11-18 20:25:06,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:25:06" (1/1) ... [2022-11-18 20:25:06,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:25:06,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:25:06,639 WARN L234 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_e5923ec6-7a0e-4f54-b40b-690b2875b9b6/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c[12820,12833] [2022-11-18 20:25:06,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:25:06,655 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:25:06,714 WARN L234 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_e5923ec6-7a0e-4f54-b40b-690b2875b9b6/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c[12820,12833] [2022-11-18 20:25:06,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:25:06,732 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:25:06,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:06 WrapperNode [2022-11-18 20:25:06,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:25:06,734 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:25:06,735 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:25:06,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:25:06,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:06" (1/1) ... [2022-11-18 20:25:06,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:06" (1/1) ... [2022-11-18 20:25:06,793 INFO L138 Inliner]: procedures = 25, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 332 [2022-11-18 20:25:06,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:25:06,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:25:06,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:25:06,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:25:06,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:06" (1/1) ... [2022-11-18 20:25:06,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:06" (1/1) ... [2022-11-18 20:25:06,813 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:06" (1/1) ... [2022-11-18 20:25:06,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:06" (1/1) ... [2022-11-18 20:25:06,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:06" (1/1) ... [2022-11-18 20:25:06,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:06" (1/1) ... [2022-11-18 20:25:06,844 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:06" (1/1) ... [2022-11-18 20:25:06,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:06" (1/1) ... [2022-11-18 20:25:06,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:25:06,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:25:06,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:25:06,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:25:06,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:06" (1/1) ... [2022-11-18 20:25:06,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:25:06,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5923ec6-7a0e-4f54-b40b-690b2875b9b6/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:25:06,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5923ec6-7a0e-4f54-b40b-690b2875b9b6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:25:06,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5923ec6-7a0e-4f54-b40b-690b2875b9b6/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:25:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:25:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:25:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:25:06,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:25:07,105 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:25:07,107 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:25:07,790 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:25:07,798 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:25:07,798 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:25:07,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:25:07 BoogieIcfgContainer [2022-11-18 20:25:07,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:25:07,802 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:25:07,802 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:25:07,806 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:25:07,807 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:25:07,808 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:25:06" (1/3) ... [2022-11-18 20:25:07,809 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1cf41148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:25:07, skipping insertion in model container [2022-11-18 20:25:07,809 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:25:07,809 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:25:06" (2/3) ... [2022-11-18 20:25:07,810 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1cf41148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:25:07, skipping insertion in model container [2022-11-18 20:25:07,810 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:25:07,810 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:25:07" (3/3) ... [2022-11-18 20:25:07,812 INFO L332 chiAutomizerObserver]: Analyzing ICFG pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c [2022-11-18 20:25:07,876 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:25:07,877 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:25:07,877 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:25:07,877 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:25:07,878 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:25:07,878 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:25:07,878 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:25:07,878 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:25:07,884 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.7352941176470589) internal successors, (177), 102 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:07,914 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 61 [2022-11-18 20:25:07,914 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:25:07,914 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:25:07,923 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:07,924 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] [2022-11-18 20:25:07,924 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:25:07,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.7352941176470589) internal successors, (177), 102 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:07,932 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 61 [2022-11-18 20:25:07,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:25:07,933 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:25:07,935 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:25:07,935 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] [2022-11-18 20:25:07,944 INFO L748 eck$LassoCheckResult]: Stem: 94#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(49, 2);call #Ultimate.allocInit(12, 3);~p1~0 := 0;~mode5~0 := 0;~p2~0 := 0;~mode4~0 := 0;~p3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p5~0 := 0;~p4_new~0 := 0;~p5_new~0 := 0;~p1_old~0 := 0;~p5_old~0 := 0;~p1_new~0 := 0;~mode2~0 := 0;~mode1~0 := 0;~alive5~0 := 0;~nomsg~0 := -1;~p2_old~0 := 0;~send4~0 := 0;~send5~0 := 0;~alive2~0 := 0;~send1~0 := 0;~alive1~0 := 0;~send2~0 := 0;~alive4~0 := 0;~p2_new~0 := 0;~send3~0 := 0;~alive3~0 := 0;~st2~0 := 0;~st1~0 := 0;~p3_old~0 := 0;~st4~0 := 0;~st3~0 := 0;~st5~0 := 0;~id2~0 := 0;~id1~0 := 0;~id4~0 := 0;~id3~0 := 0;~id5~0 := 0;~p3_new~0 := 0;~r1~0 := 0; 32#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~ret30#1, main_#t~ret31#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~id5~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st5~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~send5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~mode5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~alive5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 68#L251true assume !(0 == ~r1~0 % 256);init_~tmp~0#1 := 0; 27#L251-1true init_#res#1 := init_~tmp~0#1; 63#L380true main_#t~ret30#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret30#1;havoc main_#t~ret30#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 34#L22true assume !(0 == assume_abort_if_not_~cond#1); 82#L21true assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 14#L449-2true [2022-11-18 20:25:07,946 INFO L750 eck$LassoCheckResult]: Loop: 14#L449-2true assume !false;assume { :begin_inline_node1 } true;havoc node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 57#L76true assume !(0 != ~mode1~0 % 256); 87#L99true assume 0 != ~alive1~0 % 256;~p1_new~0 := (if (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 <= 127 then (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 else (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 - 256); 37#L102-2true ~mode1~0 := 1; 97#L76-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 26#L116true assume !(0 != ~mode2~0 % 256); 90#L133true assume 0 != ~alive2~0 % 256;~p2_new~0 := (if (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 <= 127 then (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 else (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 - 256); 29#L136-2true ~mode2~0 := 1; 92#L116-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 84#L150true assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 5#L153true assume !(node3_~m3~0#1 != ~nomsg~0); 70#L153-1true ~mode3~0 := 0; 74#L150-2true assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 69#L184true assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 96#L187true assume !(node4_~m4~0#1 != ~nomsg~0); 85#L187-1true ~mode4~0 := 0; 66#L184-2true assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 33#L218true assume 0 != ~mode5~0 % 256;node5_~m5~0#1 := ~p4_old~0;~p4_old~0 := ~nomsg~0; 73#L221true assume !(node5_~m5~0#1 != ~nomsg~0); 48#L221-1true ~mode5~0 := 0; 9#L218-2true assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 18#L388true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1#1 := 0; 86#L388-1true check_#res#1 := check_~tmp~1#1; 64#L400true main_#t~ret31#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#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; 102#L478true assume !(0 == assert_~arg#1 % 256); 98#L473true assume { :end_inline_assert } true; 14#L449-2true [2022-11-18 20:25:07,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:07,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1984313218, now seen corresponding path program 1 times [2022-11-18 20:25:07,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:07,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857238860] [2022-11-18 20:25:07,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:07,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:08,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:25:08,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:08,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857238860] [2022-11-18 20:25:08,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857238860] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:08,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:25:08,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:25:08,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982898267] [2022-11-18 20:25:08,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:08,327 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:25:08,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:08,333 INFO L85 PathProgramCache]: Analyzing trace with hash -576018857, now seen corresponding path program 1 times [2022-11-18 20:25:08,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:08,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084767280] [2022-11-18 20:25:08,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:08,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:08,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:25:08,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:08,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084767280] [2022-11-18 20:25:08,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084767280] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:08,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:25:08,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:25:08,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479035114] [2022-11-18 20:25:08,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:08,870 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-18 20:25:08,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:08,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:25:08,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:25:08,914 INFO L87 Difference]: Start difference. First operand has 103 states, 102 states have (on average 1.7352941176470589) internal successors, (177), 102 states have internal predecessors, (177), 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 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:09,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:25:09,067 INFO L93 Difference]: Finished difference Result 102 states and 172 transitions. [2022-11-18 20:25:09,068 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 172 transitions. [2022-11-18 20:25:09,072 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 60 [2022-11-18 20:25:09,078 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 98 states and 137 transitions. [2022-11-18 20:25:09,079 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 98 [2022-11-18 20:25:09,080 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 98 [2022-11-18 20:25:09,080 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98 states and 137 transitions. [2022-11-18 20:25:09,081 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:25:09,082 INFO L218 hiAutomatonCegarLoop]: Abstraction has 98 states and 137 transitions. [2022-11-18 20:25:09,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states and 137 transitions. [2022-11-18 20:25:09,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2022-11-18 20:25:09,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 98 states have (on average 1.3979591836734695) internal successors, (137), 97 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:09,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 137 transitions. [2022-11-18 20:25:09,124 INFO L240 hiAutomatonCegarLoop]: Abstraction has 98 states and 137 transitions. [2022-11-18 20:25:09,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:25:09,129 INFO L428 stractBuchiCegarLoop]: Abstraction has 98 states and 137 transitions. [2022-11-18 20:25:09,130 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:25:09,130 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 98 states and 137 transitions. [2022-11-18 20:25:09,132 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 60 [2022-11-18 20:25:09,132 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:25:09,133 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:25:09,134 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] [2022-11-18 20:25:09,134 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] [2022-11-18 20:25:09,135 INFO L748 eck$LassoCheckResult]: Stem: 318#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(49, 2);call #Ultimate.allocInit(12, 3);~p1~0 := 0;~mode5~0 := 0;~p2~0 := 0;~mode4~0 := 0;~p3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p5~0 := 0;~p4_new~0 := 0;~p5_new~0 := 0;~p1_old~0 := 0;~p5_old~0 := 0;~p1_new~0 := 0;~mode2~0 := 0;~mode1~0 := 0;~alive5~0 := 0;~nomsg~0 := -1;~p2_old~0 := 0;~send4~0 := 0;~send5~0 := 0;~alive2~0 := 0;~send1~0 := 0;~alive1~0 := 0;~send2~0 := 0;~alive4~0 := 0;~p2_new~0 := 0;~send3~0 := 0;~alive3~0 := 0;~st2~0 := 0;~st1~0 := 0;~p3_old~0 := 0;~st4~0 := 0;~st3~0 := 0;~st5~0 := 0;~id2~0 := 0;~id1~0 := 0;~id4~0 := 0;~id3~0 := 0;~id5~0 := 0;~p3_new~0 := 0;~r1~0 := 0; 275#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~ret30#1, main_#t~ret31#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~id5~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st5~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~send5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~mode5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~alive5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 276#L251 assume 0 == ~r1~0 % 256; 290#L252 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 >= 1; 291#L253 assume ~id1~0 >= 0; 293#L254 assume 0 == ~st1~0; 250#L255 assume ~send1~0 == ~id1~0; 251#L256 assume 0 == ~mode1~0 % 256; 292#L257 assume ~id2~0 >= 0; 270#L258 assume 0 == ~st2~0; 271#L259 assume ~send2~0 == ~id2~0; 304#L260 assume 0 == ~mode2~0 % 256; 305#L261 assume ~id3~0 >= 0; 296#L262 assume 0 == ~st3~0; 297#L263 assume ~send3~0 == ~id3~0; 299#L264 assume 0 == ~mode3~0 % 256; 300#L265 assume ~id4~0 >= 0; 234#L266 assume 0 == ~st4~0; 235#L267 assume ~send4~0 == ~id4~0; 255#L268 assume 0 == ~mode4~0 % 256; 256#L269 assume ~id5~0 >= 0; 230#L270 assume 0 == ~st5~0; 231#L271 assume ~send5~0 == ~id5~0; 272#L272 assume 0 == ~mode5~0 % 256; 282#L273 assume ~id1~0 != ~id2~0; 298#L274 assume ~id1~0 != ~id3~0; 316#L275 assume ~id1~0 != ~id4~0; 223#L276 assume ~id1~0 != ~id5~0; 224#L277 assume ~id2~0 != ~id3~0; 320#L278 assume ~id2~0 != ~id4~0; 294#L279 assume ~id2~0 != ~id5~0; 295#L280 assume ~id3~0 != ~id4~0; 238#L281 assume ~id3~0 != ~id5~0; 225#L282 assume ~id4~0 != ~id5~0;init_~tmp~0#1 := 1; 226#L251-1 init_#res#1 := init_~tmp~0#1; 269#L380 main_#t~ret30#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret30#1;havoc main_#t~ret30#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 280#L22 assume !(0 == assume_abort_if_not_~cond#1); 281#L21 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 245#L449-2 [2022-11-18 20:25:09,136 INFO L750 eck$LassoCheckResult]: Loop: 245#L449-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 246#L76 assume !(0 != ~mode1~0 % 256); 308#L99 assume 0 != ~alive1~0 % 256;~p1_new~0 := (if (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 <= 127 then (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 else (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 - 256); 284#L102-2 ~mode1~0 := 1; 285#L76-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 266#L116 assume !(0 != ~mode2~0 % 256); 267#L133 assume 0 != ~alive2~0 % 256;~p2_new~0 := (if (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 <= 127 then (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 else (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 - 256); 241#L136-2 ~mode2~0 := 1; 265#L116-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 317#L150 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 227#L153 assume !(node3_~m3~0#1 != ~nomsg~0); 229#L153-1 ~mode3~0 := 0; 289#L150-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 312#L184 assume 0 != ~mode4~0 % 256;node4_~m4~0#1 := ~p3_old~0;~p3_old~0 := ~nomsg~0; 313#L187 assume !(node4_~m4~0#1 != ~nomsg~0); 248#L187-1 ~mode4~0 := 0; 311#L184-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 277#L218 assume !(0 != ~mode5~0 % 256); 278#L235 assume 0 != ~alive5~0 % 256;~p5_new~0 := (if (if ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0 then ~send5~0 else ~p5_new~0) % 256 <= 127 then (if ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0 then ~send5~0 else ~p5_new~0) % 256 else (if ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0 then ~send5~0 else ~p5_new~0) % 256 - 256); 261#L238-2 ~mode5~0 := 1; 236#L218-2 assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 237#L388 assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1);check_~tmp~1#1 := 0; 244#L388-1 check_#res#1 := check_~tmp~1#1; 309#L400 main_#t~ret31#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#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; 310#L478 assume !(0 == assert_~arg#1 % 256); 319#L473 assume { :end_inline_assert } true; 245#L449-2 [2022-11-18 20:25:09,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:09,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1707437673, now seen corresponding path program 1 times [2022-11-18 20:25:09,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:09,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788486087] [2022-11-18 20:25:09,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:09,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:25:09,190 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:25:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:25:09,277 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:25:09,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:09,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1470274536, now seen corresponding path program 1 times [2022-11-18 20:25:09,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:09,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628611258] [2022-11-18 20:25:09,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:09,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:09,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:25:09,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:09,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628611258] [2022-11-18 20:25:09,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628611258] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:09,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:25:09,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:25:09,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124767600] [2022-11-18 20:25:09,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:09,499 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-18 20:25:09,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:25:09,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 20:25:09,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:25:09,501 INFO L87 Difference]: Start difference. First operand 98 states and 137 transitions. cyclomatic complexity: 40 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:09,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:25:09,561 INFO L93 Difference]: Finished difference Result 101 states and 139 transitions. [2022-11-18 20:25:09,561 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 101 states and 139 transitions. [2022-11-18 20:25:09,563 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 60 [2022-11-18 20:25:09,565 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 101 states to 98 states and 135 transitions. [2022-11-18 20:25:09,565 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 98 [2022-11-18 20:25:09,566 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 98 [2022-11-18 20:25:09,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 98 states and 135 transitions. [2022-11-18 20:25:09,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:25:09,567 INFO L218 hiAutomatonCegarLoop]: Abstraction has 98 states and 135 transitions. [2022-11-18 20:25:09,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states and 135 transitions. [2022-11-18 20:25:09,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2022-11-18 20:25:09,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 98 states have (on average 1.3775510204081634) internal successors, (135), 97 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:25:09,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 135 transitions. [2022-11-18 20:25:09,575 INFO L240 hiAutomatonCegarLoop]: Abstraction has 98 states and 135 transitions. [2022-11-18 20:25:09,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:25:09,576 INFO L428 stractBuchiCegarLoop]: Abstraction has 98 states and 135 transitions. [2022-11-18 20:25:09,576 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 20:25:09,576 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 98 states and 135 transitions. [2022-11-18 20:25:09,578 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 60 [2022-11-18 20:25:09,578 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:25:09,578 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:25:09,580 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] [2022-11-18 20:25:09,580 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] [2022-11-18 20:25:09,581 INFO L748 eck$LassoCheckResult]: Stem: 529#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(49, 2);call #Ultimate.allocInit(12, 3);~p1~0 := 0;~mode5~0 := 0;~p2~0 := 0;~mode4~0 := 0;~p3~0 := 0;~mode3~0 := 0;~p4~0 := 0;~p4_old~0 := 0;~p5~0 := 0;~p4_new~0 := 0;~p5_new~0 := 0;~p1_old~0 := 0;~p5_old~0 := 0;~p1_new~0 := 0;~mode2~0 := 0;~mode1~0 := 0;~alive5~0 := 0;~nomsg~0 := -1;~p2_old~0 := 0;~send4~0 := 0;~send5~0 := 0;~alive2~0 := 0;~send1~0 := 0;~alive1~0 := 0;~send2~0 := 0;~alive4~0 := 0;~p2_new~0 := 0;~send3~0 := 0;~alive3~0 := 0;~st2~0 := 0;~st1~0 := 0;~p3_old~0 := 0;~st4~0 := 0;~st3~0 := 0;~st5~0 := 0;~id2~0 := 0;~id1~0 := 0;~id4~0 := 0;~id3~0 := 0;~id5~0 := 0;~p3_new~0 := 0;~r1~0 := 0; 486#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~ret30#1, main_#t~ret31#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~r1~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~id1~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~st1~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~send1~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~mode1~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~alive1~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~id2~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~st2~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~send2~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~mode2~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~alive2~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~id3~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~st3~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~send3~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~mode3~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~alive3~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~id4~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~st4~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~send4~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~mode4~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~alive4~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~id5~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st5~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~send5~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~mode5~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~alive5~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~tmp~0#1;havoc init_~tmp~0#1; 487#L251 assume 0 == ~r1~0 % 256; 501#L252 assume ~alive1~0 % 256 + ~alive2~0 % 256 + ~alive3~0 % 256 + ~alive4~0 % 256 + ~alive5~0 % 256 >= 1; 502#L253 assume ~id1~0 >= 0; 504#L254 assume 0 == ~st1~0; 461#L255 assume ~send1~0 == ~id1~0; 462#L256 assume 0 == ~mode1~0 % 256; 503#L257 assume ~id2~0 >= 0; 481#L258 assume 0 == ~st2~0; 482#L259 assume ~send2~0 == ~id2~0; 515#L260 assume 0 == ~mode2~0 % 256; 516#L261 assume ~id3~0 >= 0; 507#L262 assume 0 == ~st3~0; 508#L263 assume ~send3~0 == ~id3~0; 510#L264 assume 0 == ~mode3~0 % 256; 511#L265 assume ~id4~0 >= 0; 445#L266 assume 0 == ~st4~0; 446#L267 assume ~send4~0 == ~id4~0; 466#L268 assume 0 == ~mode4~0 % 256; 467#L269 assume ~id5~0 >= 0; 441#L270 assume 0 == ~st5~0; 442#L271 assume ~send5~0 == ~id5~0; 483#L272 assume 0 == ~mode5~0 % 256; 493#L273 assume ~id1~0 != ~id2~0; 509#L274 assume ~id1~0 != ~id3~0; 527#L275 assume ~id1~0 != ~id4~0; 434#L276 assume ~id1~0 != ~id5~0; 435#L277 assume ~id2~0 != ~id3~0; 531#L278 assume ~id2~0 != ~id4~0; 505#L279 assume ~id2~0 != ~id5~0; 506#L280 assume ~id3~0 != ~id4~0; 449#L281 assume ~id3~0 != ~id5~0; 436#L282 assume ~id4~0 != ~id5~0;init_~tmp~0#1 := 1; 437#L251-1 init_#res#1 := init_~tmp~0#1; 480#L380 main_#t~ret30#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret30#1;havoc main_#t~ret30#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := main_~i2~0#1;havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 491#L22 assume !(0 == assume_abort_if_not_~cond#1); 492#L21 assume { :end_inline_assume_abort_if_not } true;~p1_old~0 := ~nomsg~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~nomsg~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~nomsg~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~nomsg~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~nomsg~0;~p5_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 456#L449-2 [2022-11-18 20:25:09,581 INFO L750 eck$LassoCheckResult]: Loop: 456#L449-2 assume !false;assume { :begin_inline_node1 } true;havoc node1_~m1~0#1;havoc node1_~m1~0#1;node1_~m1~0#1 := ~nomsg~0; 457#L76 assume !(0 != ~mode1~0 % 256); 519#L99 assume 0 != ~alive1~0 % 256;~p1_new~0 := (if (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 <= 127 then (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 else (if ~send1~0 != ~nomsg~0 && ~p1_new~0 == ~nomsg~0 then ~send1~0 else ~p1_new~0) % 256 - 256); 495#L102-2 ~mode1~0 := 1; 496#L76-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_~m2~0#1;havoc node2_~m2~0#1;node2_~m2~0#1 := ~nomsg~0; 477#L116 assume !(0 != ~mode2~0 % 256); 478#L133 assume 0 != ~alive2~0 % 256;~p2_new~0 := (if (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 <= 127 then (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 else (if ~send2~0 != ~nomsg~0 && ~p2_new~0 == ~nomsg~0 then ~send2~0 else ~p2_new~0) % 256 - 256); 452#L136-2 ~mode2~0 := 1; 476#L116-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_~m3~0#1;havoc node3_~m3~0#1;node3_~m3~0#1 := ~nomsg~0; 528#L150 assume 0 != ~mode3~0 % 256;node3_~m3~0#1 := ~p2_old~0;~p2_old~0 := ~nomsg~0; 438#L153 assume !(node3_~m3~0#1 != ~nomsg~0); 440#L153-1 ~mode3~0 := 0; 500#L150-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_~m4~0#1;havoc node4_~m4~0#1;node4_~m4~0#1 := ~nomsg~0; 523#L184 assume !(0 != ~mode4~0 % 256); 512#L201 assume 0 != ~alive4~0 % 256;~p4_new~0 := (if (if ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0 then ~send4~0 else ~p4_new~0) % 256 <= 127 then (if ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0 then ~send4~0 else ~p4_new~0) % 256 else (if ~send4~0 != ~nomsg~0 && ~p4_new~0 == ~nomsg~0 then ~send4~0 else ~p4_new~0) % 256 - 256); 513#L204-2 ~mode4~0 := 1; 522#L184-2 assume { :end_inline_node4 } true;assume { :begin_inline_node5 } true;havoc node5_~m5~0#1;havoc node5_~m5~0#1;node5_~m5~0#1 := ~nomsg~0; 488#L218 assume !(0 != ~mode5~0 % 256); 489#L235 assume 0 != ~alive5~0 % 256;~p5_new~0 := (if (if ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0 then ~send5~0 else ~p5_new~0) % 256 <= 127 then (if ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0 then ~send5~0 else ~p5_new~0) % 256 else (if ~send5~0 != ~nomsg~0 && ~p5_new~0 == ~nomsg~0 then ~send5~0 else ~p5_new~0) % 256 - 256); 472#L238-2 ~mode5~0 := 1; 447#L218-2 assume { :end_inline_node5 } true;~p1_old~0 := ~p1_new~0;~p1_new~0 := ~nomsg~0;~p2_old~0 := ~p2_new~0;~p2_new~0 := ~nomsg~0;~p3_old~0 := ~p3_new~0;~p3_new~0 := ~nomsg~0;~p4_old~0 := ~p4_new~0;~p4_new~0 := ~nomsg~0;~p5_old~0 := ~p5_new~0;~p5_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 448#L388 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 + ~st5~0 <= 1; 453#L389 assume ~r1~0 % 256 < 5;check_~tmp~1#1 := 1; 455#L388-1 check_#res#1 := check_~tmp~1#1; 520#L400 main_#t~ret31#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret31#1;havoc main_#t~ret31#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; 521#L478 assume !(0 == assert_~arg#1 % 256); 530#L473 assume { :end_inline_assert } true; 456#L449-2 [2022-11-18 20:25:09,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:09,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1707437673, now seen corresponding path program 2 times [2022-11-18 20:25:09,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:09,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298897105] [2022-11-18 20:25:09,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:09,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:25:09,601 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:25:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:25:09,624 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:25:09,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:09,625 INFO L85 PathProgramCache]: Analyzing trace with hash 776517178, now seen corresponding path program 1 times [2022-11-18 20:25:09,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:09,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617236791] [2022-11-18 20:25:09,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:09,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:25:09,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:25:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:25:09,744 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:25:09,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:25:09,745 INFO L85 PathProgramCache]: Analyzing trace with hash 2138429156, now seen corresponding path program 1 times [2022-11-18 20:25:09,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:25:09,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286446253] [2022-11-18 20:25:09,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:25:09,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:25:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:25:09,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:25:09,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:25:09,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286446253] [2022-11-18 20:25:09,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286446253] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:25:09,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:25:09,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:25:09,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044571129] [2022-11-18 20:25:09,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:25:13,823 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:25:13,824 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:25:13,824 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:25:13,824 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:25:13,824 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 20:25:13,824 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:25:13,825 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:25:13,825 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:25:13,825 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c_Iteration3_Loop [2022-11-18 20:25:13,825 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:25:13,826 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:25:13,882 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:25:13,896 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:25:13,902 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:25:13,906 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:25:13,910 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:25:15,073 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:25:15,077 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:25:15,084 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:25:15,091 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:25:15,093 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:25:15,099 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:25:15,102 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:25:15,109 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:25:15,113 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:25:15,118 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:25:17,069 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 22