./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77af8780d2ec99ad0d03b475aa25db67a7ba0a218594f51cddbe35460cd2b670 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 10:53:54,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 10:53:54,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 10:53:54,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 10:53:54,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 10:53:54,584 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 10:53:54,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 10:53:54,587 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 10:53:54,589 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 10:53:54,590 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 10:53:54,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 10:53:54,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 10:53:54,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 10:53:54,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 10:53:54,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 10:53:54,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 10:53:54,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 10:53:54,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 10:53:54,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 10:53:54,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 10:53:54,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 10:53:54,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 10:53:54,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 10:53:54,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 10:53:54,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 10:53:54,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 10:53:54,632 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 10:53:54,633 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 10:53:54,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 10:53:54,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 10:53:54,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 10:53:54,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 10:53:54,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 10:53:54,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 10:53:54,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 10:53:54,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 10:53:54,638 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 10:53:54,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 10:53:54,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 10:53:54,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 10:53:54,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 10:53:54,643 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 10:53:54,681 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 10:53:54,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 10:53:54,683 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 10:53:54,684 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 10:53:54,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 10:53:54,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 10:53:54,685 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 10:53:54,685 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 10:53:54,686 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 10:53:54,686 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 10:53:54,687 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 10:53:54,687 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 10:53:54,688 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 10:53:54,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 10:53:54,688 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 10:53:54,688 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 10:53:54,688 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 10:53:54,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 10:53:54,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 10:53:54,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 10:53:54,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 10:53:54,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 10:53:54,690 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 10:53:54,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 10:53:54,690 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 10:53:54,690 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 10:53:54,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 10:53:54,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 10:53:54,691 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 10:53:54,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 10:53:54,692 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 10:53:54,700 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 10:53:54,700 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_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77af8780d2ec99ad0d03b475aa25db67a7ba0a218594f51cddbe35460cd2b670 [2022-11-16 10:53:54,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 10:53:54,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 10:53:54,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 10:53:54,995 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 10:53:54,996 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 10:53:54,998 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c [2022-11-16 10:53:55,083 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/data/a0edd71c8/f17732e6d24743f58c497e36a5aa6fcb/FLAGe181c3948 [2022-11-16 10:53:55,658 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 10:53:55,659 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c [2022-11-16 10:53:55,682 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/data/a0edd71c8/f17732e6d24743f58c497e36a5aa6fcb/FLAGe181c3948 [2022-11-16 10:53:55,938 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/data/a0edd71c8/f17732e6d24743f58c497e36a5aa6fcb [2022-11-16 10:53:55,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 10:53:55,942 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 10:53:55,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 10:53:55,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 10:53:55,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 10:53:55,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:53:55" (1/1) ... [2022-11-16 10:53:55,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fccf9ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:53:55, skipping insertion in model container [2022-11-16 10:53:55,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:53:55" (1/1) ... [2022-11-16 10:53:55,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 10:53:56,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 10:53:56,425 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c[26618,26631] [2022-11-16 10:53:56,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:53:56,435 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 10:53:56,517 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c[26618,26631] [2022-11-16 10:53:56,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:53:56,533 INFO L208 MainTranslator]: Completed translation [2022-11-16 10:53:56,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:53:56 WrapperNode [2022-11-16 10:53:56,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 10:53:56,535 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 10:53:56,535 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 10:53:56,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 10:53:56,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:53:56" (1/1) ... [2022-11-16 10:53:56,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:53:56" (1/1) ... [2022-11-16 10:53:56,625 INFO L138 Inliner]: procedures = 23, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 909 [2022-11-16 10:53:56,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 10:53:56,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 10:53:56,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 10:53:56,633 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 10:53:56,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:53:56" (1/1) ... [2022-11-16 10:53:56,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:53:56" (1/1) ... [2022-11-16 10:53:56,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:53:56" (1/1) ... [2022-11-16 10:53:56,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:53:56" (1/1) ... [2022-11-16 10:53:56,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:53:56" (1/1) ... [2022-11-16 10:53:56,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:53:56" (1/1) ... [2022-11-16 10:53:56,706 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:53:56" (1/1) ... [2022-11-16 10:53:56,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:53:56" (1/1) ... [2022-11-16 10:53:56,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 10:53:56,728 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 10:53:56,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 10:53:56,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 10:53:56,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:53:56" (1/1) ... [2022-11-16 10:53:56,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:53:56,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:53:56,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:53:56,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 10:53:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 10:53:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 10:53:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 10:53:56,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 10:53:56,970 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 10:53:56,973 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 10:53:58,005 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 10:53:58,017 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 10:53:58,017 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 10:53:58,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:53:58 BoogieIcfgContainer [2022-11-16 10:53:58,020 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 10:53:58,021 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 10:53:58,021 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 10:53:58,026 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 10:53:58,027 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 10:53:58,028 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 10:53:55" (1/3) ... [2022-11-16 10:53:58,029 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e2f7ed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 10:53:58, skipping insertion in model container [2022-11-16 10:53:58,029 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 10:53:58,029 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:53:56" (2/3) ... [2022-11-16 10:53:58,030 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e2f7ed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 10:53:58, skipping insertion in model container [2022-11-16 10:53:58,030 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 10:53:58,030 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:53:58" (3/3) ... [2022-11-16 10:53:58,031 INFO L332 chiAutomizerObserver]: Analyzing ICFG pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c [2022-11-16 10:53:58,100 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 10:53:58,100 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 10:53:58,100 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 10:53:58,100 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 10:53:58,100 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 10:53:58,101 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 10:53:58,101 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 10:53:58,101 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 10:53:58,111 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 287 states, 286 states have (on average 1.8216783216783217) internal successors, (521), 286 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:53:58,178 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 99 [2022-11-16 10:53:58,179 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:53:58,179 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:53:58,193 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:53:58,193 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:53:58,193 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 10:53:58,194 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 287 states, 286 states have (on average 1.8216783216783217) internal successors, (521), 286 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:53:58,211 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 99 [2022-11-16 10:53:58,211 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:53:58,211 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:53:58,216 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:53:58,217 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:53:58,234 INFO L748 eck$LassoCheckResult]: Stem: 270#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(43, 2);call #Ultimate.allocInit(12, 3);~p41_old~0 := 0;~r2~0 := 0;~r3~0 := 0;~ep24~0 := 0;~r4~0 := 0;~ep23~0 := 0;~ep21~0 := 0;~p24_new~0 := 0;~p24_old~0 := 0;~p31_new~0 := 0;~p12~0 := 0;~p14~0 := 0;~p13~0 := 0;~p14_new~0 := 0;~p23_new~0 := 0;~p31_old~0 := 0;~p32_old~0 := 0;~p14_old~0 := 0;~p41_new~0 := 0;~p23_old~0 := 0;~p32_new~0 := 0;~p13_new~0 := 0;~ep14~0 := 0;~p43_new~0 := 0;~ep13~0 := 0;~ep12~0 := 0;~p43_old~0 := 0;~p13_old~0 := 0;~p42_new~0 := 0;~p21~0 := 0;~p23~0 := 0;~nl1~0 := 0;~p24~0 := 0;~nl3~0 := 0;~p42_old~0 := 0;~nl2~0 := 0;~p12_new~0 := 0;~nl4~0 := 0;~p12_old~0 := 0;~mode4~0 := 0;~mode3~0 := 0;~ep43~0 := 0;~ep42~0 := 0;~ep41~0 := 0;~p32~0 := 0;~p31~0 := 0;~p34~0 := 0;~mode2~0 := 0;~mode1~0 := 0;~nomsg~0 := -1;~ep34~0 := 0;~max4~0 := 0;~m1~0 := 0;~ep32~0 := 0;~m2~0 := 0;~ep31~0 := 0;~m3~0 := 0;~m4~0 := 0;~newmax2~0 := 0;~newmax3~0 := 0;~newmax1~0 := 0;~p41~0 := 0;~p43~0 := 0;~p42~0 := 0;~st2~0 := 0;~st1~0 := 0;~st4~0 := 0;~p34_old~0 := 0;~st3~0 := 0;~id2~0 := 0;~newmax4~0 := 0;~id1~0 := 0;~p34_new~0 := 0;~id4~0 := 0;~id3~0 := 0;~p21_new~0 := 0;~p21_old~0 := 0;~max3~0 := 0;~max2~0 := 0;~max1~0 := 0;~r1~0 := 0; 185#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~ret48#1, main_#t~ret49#1, main_#t~post50#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~ep14~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~ep21~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~ep23~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~ep24~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~ep31~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~ep32~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~ep34~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~ep41~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~ep42~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~ep43~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~r1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~nl1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~m1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~max1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode1~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~newmax1~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~id2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~r2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~nl2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~m2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~max2~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode2~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~newmax2~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~id3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~r3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~st3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~nl3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~m3~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~max3~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~mode3~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~newmax3~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~id4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~r4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~st4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~nl4~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~m4~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;~max4~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~mode4~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~newmax4~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 29#L441true assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 219#L452true init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 97#L462true assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 134#L473true init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 255#L483true assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 222#L494true init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 223#L504true assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 52#L515true init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 2#L525true assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 213#L536true init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 48#L546true assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 285#L557true init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 61#L567true assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 191#L578true init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 104#L588true assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 207#L599true init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 94#L609true assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 68#L620true init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 99#L630true assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 187#L641true init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 268#L651true assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 193#L662true init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 126#L672true assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 226#L683true init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 274#L693true assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 204#L704true init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 154#L714true assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 12#L725true init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 280#L735true assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 103#L746true init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 89#L756true assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 259#L767true init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 31#L777true assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 141#L788true init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 190#L798true assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 276#L809true init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 194#L819true assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 256#L830true init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 122#L840true assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 228#L851true init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 175#L861true assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 231#L872true init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 184#L882true assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 95#L893true init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 251#L903true assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 91#L914true init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 238#L924true assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 82#L935true init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 117#L945true assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 196#L945-1true init_#res#1 := init_~tmp___23~0#1; 92#L1082true main_#t~ret48#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret48#1;havoc main_#t~ret48#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; 111#L21true assume !(0 == assume_abort_if_not_~cond#1); 165#L20true assume { :end_inline_assume_abort_if_not } true;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 19#L1223-2true [2022-11-16 10:53:58,238 INFO L750 eck$LassoCheckResult]: Loop: 19#L1223-2true assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true;havoc node1_~newmax~0#1;havoc node1_~newmax~0#1;node1_~newmax~0#1 := 0; 65#L114true assume !(0 != ~mode1~0 % 256); 246#L150true assume !(~r1~0 < 3); 155#L150-1true ~mode1~0 := 1; 53#L114-2true assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_~newmax~1#1;havoc node2_~newmax~1#1;node2_~newmax~1#1 := 0; 38#L178true assume !(0 != ~mode2~0 % 256); 279#L214true assume !(~r2~0 < 3); 98#L214-1true ~mode2~0 := 1; 156#L178-2true assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_~newmax~2#1;havoc node3_~newmax~2#1;node3_~newmax~2#1 := 0; 286#L242true assume !(0 != ~mode3~0 % 256); 147#L278true assume !(~r3~0 < 3); 115#L278-1true ~mode3~0 := 1; 201#L242-2true assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_~newmax~3#1;havoc node4_~newmax~3#1;node4_~newmax~3#1 := 0; 137#L306true assume !(0 != ~mode4~0 % 256); 47#L342true assume !(~r4~0 < 3); 15#L342-1true ~mode4~0 := 1; 56#L306-2true assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 36#L1090true assume !(~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1);check_~tmp~1#1 := 0; 32#L1090-1true check_#res#1 := check_~tmp~1#1; 245#L1142true main_#t~ret49#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret49#1;havoc main_#t~ret49#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; 34#L1266true assume !(0 == assert_~arg#1 % 256); 235#L1261true assume { :end_inline_assert } true;main_#t~post50#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post50#1;havoc main_#t~post50#1; 19#L1223-2true [2022-11-16 10:53:58,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:53:58,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1995424982, now seen corresponding path program 1 times [2022-11-16 10:53:58,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:53:58,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253724935] [2022-11-16 10:53:58,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:53:58,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:53:58,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:53:58,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:53:58,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:53:58,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253724935] [2022-11-16 10:53:58,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253724935] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:53:58,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:53:58,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 10:53:58,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112354095] [2022-11-16 10:53:58,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:53:58,894 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 10:53:58,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:53:58,898 INFO L85 PathProgramCache]: Analyzing trace with hash -2093601291, now seen corresponding path program 1 times [2022-11-16 10:53:58,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:53:58,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665444525] [2022-11-16 10:53:58,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:53:58,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:53:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:53:59,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:53:59,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:53:59,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665444525] [2022-11-16 10:53:59,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665444525] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:53:59,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:53:59,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 10:53:59,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638942426] [2022-11-16 10:53:59,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:53:59,112 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 10:53:59,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:53:59,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 10:53:59,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 10:53:59,156 INFO L87 Difference]: Start difference. First operand has 287 states, 286 states have (on average 1.8216783216783217) internal successors, (521), 286 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:53:59,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:53:59,298 INFO L93 Difference]: Finished difference Result 291 states and 521 transitions. [2022-11-16 10:53:59,300 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 291 states and 521 transitions. [2022-11-16 10:53:59,305 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 98 [2022-11-16 10:53:59,316 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 291 states to 282 states and 504 transitions. [2022-11-16 10:53:59,317 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 282 [2022-11-16 10:53:59,319 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 282 [2022-11-16 10:53:59,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 282 states and 504 transitions. [2022-11-16 10:53:59,327 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:53:59,328 INFO L218 hiAutomatonCegarLoop]: Abstraction has 282 states and 504 transitions. [2022-11-16 10:53:59,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states and 504 transitions. [2022-11-16 10:53:59,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2022-11-16 10:53:59,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 282 states have (on average 1.7872340425531914) internal successors, (504), 281 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:53:59,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 504 transitions. [2022-11-16 10:53:59,388 INFO L240 hiAutomatonCegarLoop]: Abstraction has 282 states and 504 transitions. [2022-11-16 10:53:59,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 10:53:59,395 INFO L428 stractBuchiCegarLoop]: Abstraction has 282 states and 504 transitions. [2022-11-16 10:53:59,395 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 10:53:59,395 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 282 states and 504 transitions. [2022-11-16 10:53:59,399 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 98 [2022-11-16 10:53:59,399 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:53:59,400 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:53:59,413 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:53:59,413 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:53:59,414 INFO L748 eck$LassoCheckResult]: Stem: 876#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(43, 2);call #Ultimate.allocInit(12, 3);~p41_old~0 := 0;~r2~0 := 0;~r3~0 := 0;~ep24~0 := 0;~r4~0 := 0;~ep23~0 := 0;~ep21~0 := 0;~p24_new~0 := 0;~p24_old~0 := 0;~p31_new~0 := 0;~p12~0 := 0;~p14~0 := 0;~p13~0 := 0;~p14_new~0 := 0;~p23_new~0 := 0;~p31_old~0 := 0;~p32_old~0 := 0;~p14_old~0 := 0;~p41_new~0 := 0;~p23_old~0 := 0;~p32_new~0 := 0;~p13_new~0 := 0;~ep14~0 := 0;~p43_new~0 := 0;~ep13~0 := 0;~ep12~0 := 0;~p43_old~0 := 0;~p13_old~0 := 0;~p42_new~0 := 0;~p21~0 := 0;~p23~0 := 0;~nl1~0 := 0;~p24~0 := 0;~nl3~0 := 0;~p42_old~0 := 0;~nl2~0 := 0;~p12_new~0 := 0;~nl4~0 := 0;~p12_old~0 := 0;~mode4~0 := 0;~mode3~0 := 0;~ep43~0 := 0;~ep42~0 := 0;~ep41~0 := 0;~p32~0 := 0;~p31~0 := 0;~p34~0 := 0;~mode2~0 := 0;~mode1~0 := 0;~nomsg~0 := -1;~ep34~0 := 0;~max4~0 := 0;~m1~0 := 0;~ep32~0 := 0;~m2~0 := 0;~ep31~0 := 0;~m3~0 := 0;~m4~0 := 0;~newmax2~0 := 0;~newmax3~0 := 0;~newmax1~0 := 0;~p41~0 := 0;~p43~0 := 0;~p42~0 := 0;~st2~0 := 0;~st1~0 := 0;~st4~0 := 0;~p34_old~0 := 0;~st3~0 := 0;~id2~0 := 0;~newmax4~0 := 0;~id1~0 := 0;~p34_new~0 := 0;~id4~0 := 0;~id3~0 := 0;~p21_new~0 := 0;~p21_old~0 := 0;~max3~0 := 0;~max2~0 := 0;~max1~0 := 0;~r1~0 := 0; 854#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~ret48#1, main_#t~ret49#1, main_#t~post50#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~ep14~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~ep21~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~ep23~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~ep24~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~ep31~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~ep32~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~ep34~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~ep41~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~ep42~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~ep43~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~r1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~nl1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~m1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~max1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode1~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~newmax1~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~id2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~r2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~nl2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~m2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~max2~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode2~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~newmax2~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~id3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~r3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~st3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~nl3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~m3~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~max3~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~mode3~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~newmax3~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~id4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~r4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~st4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~nl4~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~m4~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;~max4~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~mode4~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~newmax4~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 657#L441 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 658#L452 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 775#L462 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 736#L473 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 813#L483 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 842#L494 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 868#L504 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 684#L515 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 596#L525 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 597#L536 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 698#L546 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 699#L557 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 719#L567 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 720#L578 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 781#L588 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 643#L599 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 772#L609 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 703#L620 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 734#L630 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 682#L641 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 855#L651 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 645#L662 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 807#L672 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 808#L683 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 869#L693 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 633#L704 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 835#L714 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 623#L725 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 624#L735 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 600#L746 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 763#L756 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 616#L767 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 662#L777 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 663#L788 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 822#L798 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 799#L809 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 858#L819 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 831#L830 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 803#L840 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 762#L851 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 850#L861 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 709#L872 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 853#L882 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 689#L893 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 773#L903 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 767#L914 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 768#L924 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 752#L935 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 753#L945 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 610#L945-1 init_#res#1 := init_~tmp___23~0#1; 769#L1082 main_#t~ret48#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret48#1;havoc main_#t~ret48#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; 770#L21 assume !(0 == assume_abort_if_not_~cond#1); 791#L20 assume { :end_inline_assume_abort_if_not } true;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 635#L1223-2 [2022-11-16 10:53:59,415 INFO L750 eck$LassoCheckResult]: Loop: 635#L1223-2 assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true;havoc node1_~newmax~0#1;havoc node1_~newmax~0#1;node1_~newmax~0#1 := 0; 636#L114 assume !(0 != ~mode1~0 % 256); 727#L150 assume !(~r1~0 < 3); 816#L150-1 ~mode1~0 := 1; 707#L114-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_~newmax~1#1;havoc node2_~newmax~1#1;node2_~newmax~1#1 := 0; 676#L178 assume !(0 != ~mode2~0 % 256); 677#L214 assume !(~r2~0 < 3); 631#L214-1 ~mode2~0 := 1; 777#L178-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_~newmax~2#1;havoc node3_~newmax~2#1;node3_~newmax~2#1 := 0; 836#L242 assume !(0 != ~mode3~0 % 256); 829#L278 assume !(~r3~0 < 3); 741#L278-1 ~mode3~0 := 1; 790#L242-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_~newmax~3#1;havoc node4_~newmax~3#1;node4_~newmax~3#1 := 0; 817#L306 assume !(0 != ~mode4~0 % 256); 694#L342 assume !(~r4~0 < 3); 625#L342-1 ~mode4~0 := 1; 626#L306-2 assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 674#L1090 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 675#L1091 assume ~st1~0 + ~nl1~0 <= 1; 743#L1092 assume ~st2~0 + ~nl2~0 <= 1; 845#L1093 assume ~st3~0 + ~nl3~0 <= 1; 867#L1094 assume ~st4~0 + ~nl4~0 <= 1; 864#L1095 assume ~r1~0 >= 3; 766#L1099 assume ~r1~0 < 3; 871#L1104 assume ~r1~0 >= 3; 661#L1109 assume ~r1~0 < 3;check_~tmp~1#1 := 1; 665#L1090-1 check_#res#1 := check_~tmp~1#1; 666#L1142 main_#t~ret49#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret49#1;havoc main_#t~ret49#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; 669#L1266 assume !(0 == assert_~arg#1 % 256); 670#L1261 assume { :end_inline_assert } true;main_#t~post50#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post50#1;havoc main_#t~post50#1; 635#L1223-2 [2022-11-16 10:53:59,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:53:59,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1995424982, now seen corresponding path program 2 times [2022-11-16 10:53:59,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:53:59,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72713929] [2022-11-16 10:53:59,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:53:59,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:53:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:53:59,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:53:59,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:53:59,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72713929] [2022-11-16 10:53:59,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72713929] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:53:59,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:53:59,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 10:53:59,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130978545] [2022-11-16 10:53:59,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:53:59,601 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 10:53:59,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:53:59,602 INFO L85 PathProgramCache]: Analyzing trace with hash -2016306236, now seen corresponding path program 1 times [2022-11-16 10:53:59,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:53:59,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927564351] [2022-11-16 10:53:59,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:53:59,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:53:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:53:59,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:53:59,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:53:59,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927564351] [2022-11-16 10:53:59,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927564351] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:53:59,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:53:59,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 10:53:59,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514526754] [2022-11-16 10:53:59,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:53:59,651 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 10:53:59,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:53:59,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 10:53:59,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 10:53:59,652 INFO L87 Difference]: Start difference. First operand 282 states and 504 transitions. cyclomatic complexity: 223 Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:53:59,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:53:59,716 INFO L93 Difference]: Finished difference Result 361 states and 632 transitions. [2022-11-16 10:53:59,716 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 361 states and 632 transitions. [2022-11-16 10:53:59,721 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 177 [2022-11-16 10:53:59,724 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 361 states to 361 states and 632 transitions. [2022-11-16 10:53:59,724 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 361 [2022-11-16 10:53:59,724 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 361 [2022-11-16 10:53:59,725 INFO L73 IsDeterministic]: Start isDeterministic. Operand 361 states and 632 transitions. [2022-11-16 10:53:59,727 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:53:59,727 INFO L218 hiAutomatonCegarLoop]: Abstraction has 361 states and 632 transitions. [2022-11-16 10:53:59,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states and 632 transitions. [2022-11-16 10:53:59,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2022-11-16 10:53:59,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 361 states have (on average 1.7506925207756232) internal successors, (632), 360 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:53:59,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 632 transitions. [2022-11-16 10:53:59,754 INFO L240 hiAutomatonCegarLoop]: Abstraction has 361 states and 632 transitions. [2022-11-16 10:53:59,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 10:53:59,755 INFO L428 stractBuchiCegarLoop]: Abstraction has 361 states and 632 transitions. [2022-11-16 10:53:59,755 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 10:53:59,755 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 361 states and 632 transitions. [2022-11-16 10:53:59,757 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 177 [2022-11-16 10:53:59,758 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:53:59,758 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:53:59,764 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:53:59,764 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:53:59,765 INFO L748 eck$LassoCheckResult]: Stem: 1538#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(43, 2);call #Ultimate.allocInit(12, 3);~p41_old~0 := 0;~r2~0 := 0;~r3~0 := 0;~ep24~0 := 0;~r4~0 := 0;~ep23~0 := 0;~ep21~0 := 0;~p24_new~0 := 0;~p24_old~0 := 0;~p31_new~0 := 0;~p12~0 := 0;~p14~0 := 0;~p13~0 := 0;~p14_new~0 := 0;~p23_new~0 := 0;~p31_old~0 := 0;~p32_old~0 := 0;~p14_old~0 := 0;~p41_new~0 := 0;~p23_old~0 := 0;~p32_new~0 := 0;~p13_new~0 := 0;~ep14~0 := 0;~p43_new~0 := 0;~ep13~0 := 0;~ep12~0 := 0;~p43_old~0 := 0;~p13_old~0 := 0;~p42_new~0 := 0;~p21~0 := 0;~p23~0 := 0;~nl1~0 := 0;~p24~0 := 0;~nl3~0 := 0;~p42_old~0 := 0;~nl2~0 := 0;~p12_new~0 := 0;~nl4~0 := 0;~p12_old~0 := 0;~mode4~0 := 0;~mode3~0 := 0;~ep43~0 := 0;~ep42~0 := 0;~ep41~0 := 0;~p32~0 := 0;~p31~0 := 0;~p34~0 := 0;~mode2~0 := 0;~mode1~0 := 0;~nomsg~0 := -1;~ep34~0 := 0;~max4~0 := 0;~m1~0 := 0;~ep32~0 := 0;~m2~0 := 0;~ep31~0 := 0;~m3~0 := 0;~m4~0 := 0;~newmax2~0 := 0;~newmax3~0 := 0;~newmax1~0 := 0;~p41~0 := 0;~p43~0 := 0;~p42~0 := 0;~st2~0 := 0;~st1~0 := 0;~st4~0 := 0;~p34_old~0 := 0;~st3~0 := 0;~id2~0 := 0;~newmax4~0 := 0;~id1~0 := 0;~p34_new~0 := 0;~id4~0 := 0;~id3~0 := 0;~p21_new~0 := 0;~p21_old~0 := 0;~max3~0 := 0;~max2~0 := 0;~max1~0 := 0;~r1~0 := 0; 1513#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_#t~nondet13#1, main_#t~nondet14#1, main_#t~nondet15#1, main_#t~nondet16#1, main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~nondet21#1, main_#t~nondet22#1, main_#t~nondet23#1, main_#t~nondet24#1, main_#t~nondet25#1, main_#t~nondet26#1, main_#t~nondet27#1, main_#t~nondet28#1, main_#t~nondet29#1, main_#t~nondet30#1, main_#t~nondet31#1, main_#t~nondet32#1, main_#t~nondet33#1, main_#t~nondet34#1, main_#t~nondet35#1, main_#t~nondet36#1, main_#t~nondet37#1, main_#t~nondet38#1, main_#t~nondet39#1, main_#t~nondet40#1, main_#t~nondet41#1, main_#t~nondet42#1, main_#t~nondet43#1, main_#t~nondet44#1, main_#t~nondet45#1, main_#t~nondet46#1, main_#t~nondet47#1, main_#t~ret48#1, main_#t~ret49#1, main_#t~post50#1, main_~c1~0#1, main_~i2~0#1;havoc main_~c1~0#1;havoc main_~i2~0#1;main_~c1~0#1 := 0;~ep12~0 := main_#t~nondet4#1;havoc main_#t~nondet4#1;~ep13~0 := main_#t~nondet5#1;havoc main_#t~nondet5#1;~ep14~0 := main_#t~nondet6#1;havoc main_#t~nondet6#1;~ep21~0 := main_#t~nondet7#1;havoc main_#t~nondet7#1;~ep23~0 := main_#t~nondet8#1;havoc main_#t~nondet8#1;~ep24~0 := main_#t~nondet9#1;havoc main_#t~nondet9#1;~ep31~0 := main_#t~nondet10#1;havoc main_#t~nondet10#1;~ep32~0 := main_#t~nondet11#1;havoc main_#t~nondet11#1;~ep34~0 := main_#t~nondet12#1;havoc main_#t~nondet12#1;~ep41~0 := main_#t~nondet13#1;havoc main_#t~nondet13#1;~ep42~0 := main_#t~nondet14#1;havoc main_#t~nondet14#1;~ep43~0 := main_#t~nondet15#1;havoc main_#t~nondet15#1;~id1~0 := main_#t~nondet16#1;havoc main_#t~nondet16#1;~r1~0 := main_#t~nondet17#1;havoc main_#t~nondet17#1;~st1~0 := main_#t~nondet18#1;havoc main_#t~nondet18#1;~nl1~0 := main_#t~nondet19#1;havoc main_#t~nondet19#1;~m1~0 := main_#t~nondet20#1;havoc main_#t~nondet20#1;~max1~0 := main_#t~nondet21#1;havoc main_#t~nondet21#1;~mode1~0 := main_#t~nondet22#1;havoc main_#t~nondet22#1;~newmax1~0 := main_#t~nondet23#1;havoc main_#t~nondet23#1;~id2~0 := main_#t~nondet24#1;havoc main_#t~nondet24#1;~r2~0 := main_#t~nondet25#1;havoc main_#t~nondet25#1;~st2~0 := main_#t~nondet26#1;havoc main_#t~nondet26#1;~nl2~0 := main_#t~nondet27#1;havoc main_#t~nondet27#1;~m2~0 := main_#t~nondet28#1;havoc main_#t~nondet28#1;~max2~0 := main_#t~nondet29#1;havoc main_#t~nondet29#1;~mode2~0 := main_#t~nondet30#1;havoc main_#t~nondet30#1;~newmax2~0 := main_#t~nondet31#1;havoc main_#t~nondet31#1;~id3~0 := main_#t~nondet32#1;havoc main_#t~nondet32#1;~r3~0 := main_#t~nondet33#1;havoc main_#t~nondet33#1;~st3~0 := main_#t~nondet34#1;havoc main_#t~nondet34#1;~nl3~0 := main_#t~nondet35#1;havoc main_#t~nondet35#1;~m3~0 := main_#t~nondet36#1;havoc main_#t~nondet36#1;~max3~0 := main_#t~nondet37#1;havoc main_#t~nondet37#1;~mode3~0 := main_#t~nondet38#1;havoc main_#t~nondet38#1;~newmax3~0 := main_#t~nondet39#1;havoc main_#t~nondet39#1;~id4~0 := main_#t~nondet40#1;havoc main_#t~nondet40#1;~r4~0 := main_#t~nondet41#1;havoc main_#t~nondet41#1;~st4~0 := main_#t~nondet42#1;havoc main_#t~nondet42#1;~nl4~0 := main_#t~nondet43#1;havoc main_#t~nondet43#1;~m4~0 := main_#t~nondet44#1;havoc main_#t~nondet44#1;~max4~0 := main_#t~nondet45#1;havoc main_#t~nondet45#1;~mode4~0 := main_#t~nondet46#1;havoc main_#t~nondet46#1;~newmax4~0 := main_#t~nondet47#1;havoc main_#t~nondet47#1;assume { :begin_inline_init } true;havoc init_#res#1;havoc init_~r121~0#1, init_~r131~0#1, init_~r141~0#1, init_~r211~0#1, init_~r231~0#1, init_~r241~0#1, init_~r311~0#1, init_~r321~0#1, init_~r341~0#1, init_~r411~0#1, init_~r421~0#1, init_~r431~0#1, init_~r122~0#1, init_~tmp~0#1, init_~r132~0#1, init_~tmp___0~0#1, init_~r142~0#1, init_~tmp___1~0#1, init_~r212~0#1, init_~tmp___2~0#1, init_~r232~0#1, init_~tmp___3~0#1, init_~r242~0#1, init_~tmp___4~0#1, init_~r312~0#1, init_~tmp___5~0#1, init_~r322~0#1, init_~tmp___6~0#1, init_~r342~0#1, init_~tmp___7~0#1, init_~r412~0#1, init_~tmp___8~0#1, init_~r422~0#1, init_~tmp___9~0#1, init_~r432~0#1, init_~tmp___10~0#1, init_~r123~0#1, init_~tmp___11~0#1, init_~r133~0#1, init_~tmp___12~0#1, init_~r143~0#1, init_~tmp___13~0#1, init_~r213~0#1, init_~tmp___14~0#1, init_~r233~0#1, init_~tmp___15~0#1, init_~r243~0#1, init_~tmp___16~0#1, init_~r313~0#1, init_~tmp___17~0#1, init_~r323~0#1, init_~tmp___18~0#1, init_~r343~0#1, init_~tmp___19~0#1, init_~r413~0#1, init_~tmp___20~0#1, init_~r423~0#1, init_~tmp___21~0#1, init_~r433~0#1, init_~tmp___22~0#1, init_~tmp___23~0#1;havoc init_~r121~0#1;havoc init_~r131~0#1;havoc init_~r141~0#1;havoc init_~r211~0#1;havoc init_~r231~0#1;havoc init_~r241~0#1;havoc init_~r311~0#1;havoc init_~r321~0#1;havoc init_~r341~0#1;havoc init_~r411~0#1;havoc init_~r421~0#1;havoc init_~r431~0#1;havoc init_~r122~0#1;havoc init_~tmp~0#1;havoc init_~r132~0#1;havoc init_~tmp___0~0#1;havoc init_~r142~0#1;havoc init_~tmp___1~0#1;havoc init_~r212~0#1;havoc init_~tmp___2~0#1;havoc init_~r232~0#1;havoc init_~tmp___3~0#1;havoc init_~r242~0#1;havoc init_~tmp___4~0#1;havoc init_~r312~0#1;havoc init_~tmp___5~0#1;havoc init_~r322~0#1;havoc init_~tmp___6~0#1;havoc init_~r342~0#1;havoc init_~tmp___7~0#1;havoc init_~r412~0#1;havoc init_~tmp___8~0#1;havoc init_~r422~0#1;havoc init_~tmp___9~0#1;havoc init_~r432~0#1;havoc init_~tmp___10~0#1;havoc init_~r123~0#1;havoc init_~tmp___11~0#1;havoc init_~r133~0#1;havoc init_~tmp___12~0#1;havoc init_~r143~0#1;havoc init_~tmp___13~0#1;havoc init_~r213~0#1;havoc init_~tmp___14~0#1;havoc init_~r233~0#1;havoc init_~tmp___15~0#1;havoc init_~r243~0#1;havoc init_~tmp___16~0#1;havoc init_~r313~0#1;havoc init_~tmp___17~0#1;havoc init_~r323~0#1;havoc init_~tmp___18~0#1;havoc init_~r343~0#1;havoc init_~tmp___19~0#1;havoc init_~r413~0#1;havoc init_~tmp___20~0#1;havoc init_~r423~0#1;havoc init_~tmp___21~0#1;havoc init_~r433~0#1;havoc init_~tmp___22~0#1;havoc init_~tmp___23~0#1;init_~r121~0#1 := ~ep12~0;init_~r131~0#1 := ~ep13~0;init_~r141~0#1 := ~ep14~0;init_~r211~0#1 := ~ep21~0;init_~r231~0#1 := ~ep23~0;init_~r241~0#1 := ~ep24~0;init_~r311~0#1 := ~ep31~0;init_~r321~0#1 := ~ep32~0;init_~r341~0#1 := ~ep34~0;init_~r411~0#1 := ~ep41~0;init_~r421~0#1 := ~ep42~0;init_~r431~0#1 := ~ep43~0; 1309#L441 assume 0 != init_~r121~0#1 % 256;init_~tmp~0#1 := 1; 1310#L452 init_~r122~0#1 := (if 0 == init_~tmp~0#1 then 0 else 1); 1428#L462 assume 0 != init_~r131~0#1 % 256;init_~tmp___0~0#1 := 1; 1389#L473 init_~r132~0#1 := (if 0 == init_~tmp___0~0#1 then 0 else 1); 1468#L483 assume 0 != init_~r141~0#1 % 256;init_~tmp___1~0#1 := 1; 1499#L494 init_~r142~0#1 := (if 0 == init_~tmp___1~0#1 then 0 else 1); 1529#L504 assume 0 != init_~r211~0#1 % 256;init_~tmp___2~0#1 := 1; 1338#L515 init_~r212~0#1 := (if 0 == init_~tmp___2~0#1 then 0 else 1); 1251#L525 assume 0 != init_~r231~0#1 % 256;init_~tmp___3~0#1 := 1; 1252#L536 init_~r232~0#1 := (if 0 == init_~tmp___3~0#1 then 0 else 1); 1351#L546 assume 0 != init_~r241~0#1 % 256;init_~tmp___4~0#1 := 1; 1352#L557 init_~r242~0#1 := (if 0 == init_~tmp___4~0#1 then 0 else 1); 1372#L567 assume 0 != init_~r311~0#1 % 256;init_~tmp___5~0#1 := 1; 1373#L578 init_~r312~0#1 := (if 0 == init_~tmp___5~0#1 then 0 else 1); 1434#L588 assume 0 != init_~r321~0#1 % 256;init_~tmp___6~0#1 := 1; 1295#L599 init_~r322~0#1 := (if 0 == init_~tmp___6~0#1 then 0 else 1); 1426#L609 assume 0 != init_~r341~0#1 % 256;init_~tmp___7~0#1 := 1; 1356#L620 init_~r342~0#1 := (if 0 == init_~tmp___7~0#1 then 0 else 1); 1387#L630 assume 0 != init_~r411~0#1 % 256;init_~tmp___8~0#1 := 1; 1334#L641 init_~r412~0#1 := (if 0 == init_~tmp___8~0#1 then 0 else 1); 1514#L651 assume 0 != init_~r421~0#1 % 256;init_~tmp___9~0#1 := 1; 1297#L662 init_~r422~0#1 := (if 0 == init_~tmp___9~0#1 then 0 else 1); 1462#L672 assume 0 != init_~r431~0#1 % 256;init_~tmp___10~0#1 := 1; 1463#L683 init_~r432~0#1 := (if 0 == init_~tmp___10~0#1 then 0 else 1); 1530#L693 assume 0 != init_~r122~0#1 % 256;init_~tmp___11~0#1 := 1; 1285#L704 init_~r123~0#1 := (if 0 == init_~tmp___11~0#1 then 0 else 1); 1491#L714 assume 0 != init_~r132~0#1 % 256;init_~tmp___12~0#1 := 1; 1275#L725 init_~r133~0#1 := (if 0 == init_~tmp___12~0#1 then 0 else 1); 1276#L735 assume 0 != init_~r142~0#1 % 256;init_~tmp___13~0#1 := 1; 1255#L746 init_~r143~0#1 := (if 0 == init_~tmp___13~0#1 then 0 else 1); 1416#L756 assume 0 != init_~r212~0#1 % 256;init_~tmp___14~0#1 := 1; 1270#L767 init_~r213~0#1 := (if 0 == init_~tmp___14~0#1 then 0 else 1); 1314#L777 assume 0 != init_~r232~0#1 % 256;init_~tmp___15~0#1 := 1; 1315#L788 init_~r233~0#1 := (if 0 == init_~tmp___15~0#1 then 0 else 1); 1478#L798 assume 0 != init_~r242~0#1 % 256;init_~tmp___16~0#1 := 1; 1454#L809 init_~r243~0#1 := (if 0 == init_~tmp___16~0#1 then 0 else 1); 1517#L819 assume 0 != init_~r312~0#1 % 256;init_~tmp___17~0#1 := 1; 1487#L830 init_~r313~0#1 := (if 0 == init_~tmp___17~0#1 then 0 else 1); 1458#L840 assume 0 != init_~r322~0#1 % 256;init_~tmp___18~0#1 := 1; 1415#L851 init_~r323~0#1 := (if 0 == init_~tmp___18~0#1 then 0 else 1); 1509#L861 assume 0 != init_~r342~0#1 % 256;init_~tmp___19~0#1 := 1; 1362#L872 init_~r343~0#1 := (if 0 == init_~tmp___19~0#1 then 0 else 1); 1512#L882 assume 0 != init_~r412~0#1 % 256;init_~tmp___20~0#1 := 1; 1341#L893 init_~r413~0#1 := (if 0 == init_~tmp___20~0#1 then 0 else 1); 1427#L903 assume 0 != init_~r422~0#1 % 256;init_~tmp___21~0#1 := 1; 1422#L914 init_~r423~0#1 := (if 0 == init_~tmp___21~0#1 then 0 else 1); 1423#L924 assume 0 != init_~r432~0#1 % 256;init_~tmp___22~0#1 := 1; 1405#L935 init_~r433~0#1 := (if 0 == init_~tmp___22~0#1 then 0 else 1); 1406#L945 assume !(~id1~0 != ~id2~0);init_~tmp___23~0#1 := 0; 1261#L945-1 init_#res#1 := init_~tmp___23~0#1; 1420#L1082 main_#t~ret48#1 := init_#res#1;assume { :end_inline_init } true;main_~i2~0#1 := main_#t~ret48#1;havoc main_#t~ret48#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; 1421#L21 assume !(0 == assume_abort_if_not_~cond#1); 1443#L20 assume { :end_inline_assume_abort_if_not } true;~p12_old~0 := ~nomsg~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~nomsg~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~nomsg~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~nomsg~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~nomsg~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~nomsg~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~nomsg~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~nomsg~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~nomsg~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~nomsg~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~nomsg~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~nomsg~0;~p43_new~0 := ~nomsg~0;main_~i2~0#1 := 0; 1500#L1223-2 [2022-11-16 10:53:59,765 INFO L750 eck$LassoCheckResult]: Loop: 1500#L1223-2 assume !!(main_~i2~0#1 < 8);assume { :begin_inline_node1 } true;havoc node1_~newmax~0#1;havoc node1_~newmax~0#1;node1_~newmax~0#1 := 0; 1542#L114 assume !(0 != ~mode1~0 % 256); 1541#L150 assume ~r1~0 < 3; 1432#L151 assume !(0 != ~ep12~0 % 256); 1336#L151-1 assume !(0 != ~ep13~0 % 256); 1268#L156 assume !(0 != ~ep14~0 % 256); 1471#L150-1 ~mode1~0 := 1; 1360#L114-2 assume { :end_inline_node1 } true;assume { :begin_inline_node2 } true;havoc node2_~newmax~1#1;havoc node2_~newmax~1#1;node2_~newmax~1#1 := 0; 1328#L178 assume !(0 != ~mode2~0 % 256); 1329#L214 assume !(~r2~0 < 3); 1283#L214-1 ~mode2~0 := 1; 1430#L178-2 assume { :end_inline_node2 } true;assume { :begin_inline_node3 } true;havoc node3_~newmax~2#1;havoc node3_~newmax~2#1;node3_~newmax~2#1 := 0; 1492#L242 assume !(0 != ~mode3~0 % 256); 1484#L278 assume !(~r3~0 < 3); 1394#L278-1 ~mode3~0 := 1; 1444#L242-2 assume { :end_inline_node3 } true;assume { :begin_inline_node4 } true;havoc node4_~newmax~3#1;havoc node4_~newmax~3#1;node4_~newmax~3#1 := 0; 1522#L306 assume !(0 != ~mode4~0 % 256); 1346#L342 assume !(~r4~0 < 3); 1347#L342-1 ~mode4~0 := 1; 1553#L306-2 assume { :end_inline_node4 } true;~p12_old~0 := ~p12_new~0;~p12_new~0 := ~nomsg~0;~p13_old~0 := ~p13_new~0;~p13_new~0 := ~nomsg~0;~p14_old~0 := ~p14_new~0;~p14_new~0 := ~nomsg~0;~p21_old~0 := ~p21_new~0;~p21_new~0 := ~nomsg~0;~p23_old~0 := ~p23_new~0;~p23_new~0 := ~nomsg~0;~p24_old~0 := ~p24_new~0;~p24_new~0 := ~nomsg~0;~p31_old~0 := ~p31_new~0;~p31_new~0 := ~nomsg~0;~p32_old~0 := ~p32_new~0;~p32_new~0 := ~nomsg~0;~p34_old~0 := ~p34_new~0;~p34_new~0 := ~nomsg~0;~p41_old~0 := ~p41_new~0;~p41_new~0 := ~nomsg~0;~p42_old~0 := ~p42_new~0;~p42_new~0 := ~nomsg~0;~p43_old~0 := ~p43_new~0;~p43_new~0 := ~nomsg~0;assume { :begin_inline_check } true;havoc check_#res#1;havoc check_~tmp~1#1;havoc check_~tmp~1#1; 1552#L1090 assume ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0 <= 1; 1551#L1091 assume ~st1~0 + ~nl1~0 <= 1; 1550#L1092 assume ~st2~0 + ~nl2~0 <= 1; 1549#L1093 assume ~st3~0 + ~nl3~0 <= 1; 1548#L1094 assume ~st4~0 + ~nl4~0 <= 1; 1540#L1095 assume !(~r1~0 >= 3); 1418#L1098 assume 0 == ~st1~0 + ~st2~0 + ~st3~0 + ~st4~0; 1419#L1099 assume ~r1~0 < 3; 1547#L1104 assume !(~r1~0 >= 3); 1312#L1108 assume 0 == ~nl1~0 + ~nl2~0 + ~nl3~0 + ~nl4~0; 1313#L1109 assume ~r1~0 < 3;check_~tmp~1#1 := 1; 1546#L1090-1 check_#res#1 := check_~tmp~1#1; 1545#L1142 main_#t~ret49#1 := check_#res#1;assume { :end_inline_check } true;main_~c1~0#1 := main_#t~ret49#1;havoc main_#t~ret49#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; 1544#L1266 assume !(0 == assert_~arg#1 % 256); 1543#L1261 assume { :end_inline_assert } true;main_#t~post50#1 := main_~i2~0#1;main_~i2~0#1 := 1 + main_#t~post50#1;havoc main_#t~post50#1; 1500#L1223-2 [2022-11-16 10:53:59,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:53:59,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1995424982, now seen corresponding path program 3 times [2022-11-16 10:53:59,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:53:59,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140607720] [2022-11-16 10:53:59,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:53:59,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:53:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:53:59,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:53:59,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:53:59,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140607720] [2022-11-16 10:53:59,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140607720] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:53:59,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:53:59,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 10:53:59,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685376748] [2022-11-16 10:53:59,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:53:59,954 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 10:53:59,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:53:59,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1451700942, now seen corresponding path program 1 times [2022-11-16 10:53:59,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:53:59,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488536368] [2022-11-16 10:53:59,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:53:59,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:53:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:53:59,975 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:53:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:54:00,020 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:54:01,458 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 10:54:01,459 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 10:54:01,459 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 10:54:01,459 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 10:54:01,459 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 10:54:01,459 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:54:01,460 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 10:54:01,460 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 10:54:01,460 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2022-11-16 10:54:01,460 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 10:54:01,460 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 10:54:01,486 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:01,499 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:01,501 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:01,504 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:01,508 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:01,513 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:01,516 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:01,520 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:01,524 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:01,528 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:01,590 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:01,593 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:01,596 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:01,600 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:01,606 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:01,622 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:01,630 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:01,636 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:01,643 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:01,646 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:01,650 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:01,656 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:02,457 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 10:54:02,457 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 10:54:02,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:54:02,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:54:02,465 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:54:02,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 10:54:02,471 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 10:54:02,471 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 10:54:02,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 10:54:02,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:54:02,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:54:02,497 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:54:02,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 10:54:02,504 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 10:54:02,504 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 10:54:02,666 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 10:54:02,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 10:54:02,670 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 10:54:02,670 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 10:54:02,670 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 10:54:02,670 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 10:54:02,670 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 10:54:02,670 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:54:02,671 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 10:54:02,671 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 10:54:02,671 INFO L133 ssoRankerPreferences]: Filename of dumped script: pals_opt-floodmax.4.1.ufo.BOUNDED-8.pals.c_Iteration3_Loop [2022-11-16 10:54:02,671 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 10:54:02,671 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 10:54:02,675 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:02,699 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:02,705 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:02,769 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:02,772 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:02,778 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:02,782 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:02,785 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:02,787 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:02,792 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:02,800 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:02,805 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:02,808 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:02,811 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:02,814 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:02,820 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:02,833 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:02,837 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:02,843 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:02,848 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:02,850 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:02,857 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:54:03,610 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 10:54:03,614 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 10:54:03,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:54:03,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:54:03,625 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:54:03,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 10:54:03,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:54:03,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:54:03,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:54:03,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:54:03,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:54:03,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:54:03,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:54:03,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:54:03,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:54:03,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-11-16 10:54:03,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:54:03,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:54:03,652 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:54:03,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 10:54:03,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:54:03,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:54:03,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:54:03,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:54:03,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:54:03,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:54:03,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:54:03,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:54:03,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:54:03,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 10:54:03,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:54:03,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:54:03,675 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:54:03,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 10:54:03,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:54:03,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:54:03,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:54:03,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:54:03,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:54:03,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:54:03,711 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:54:03,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:54:03,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:54:03,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 10:54:03,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:54:03,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:54:03,747 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:54:03,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:54:03,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:54:03,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:54:03,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:54:03,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:54:03,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:54:03,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:54:03,770 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:54:03,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 10:54:03,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:54:03,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 10:54:03,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:54:03,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:54:03,791 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:54:03,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:54:03,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:54:03,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:54:03,816 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:54:03,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:54:03,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:54:03,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:54:03,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:54:03,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 10:54:03,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:54:03,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 10:54:03,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:54:03,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:54:03,834 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:54:03,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:54:03,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:54:03,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:54:03,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:54:03,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:54:03,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:54:03,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:54:03,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:54:03,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 10:54:03,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:54:03,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 10:54:03,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:54:03,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:54:03,876 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:54:03,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:54:03,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:54:03,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:54:03,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:54:03,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:54:03,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:54:03,901 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:54:03,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:54:03,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 10:54:03,912 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:54:03,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 10:54:03,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:54:03,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:54:03,921 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:54:03,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 10:54:03,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:54:03,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:54:03,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:54:03,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:54:03,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:54:03,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:54:03,949 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:54:03,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:54:03,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:54:03,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 10:54:03,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:54:03,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:54:03,977 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:54:03,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 10:54:03,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:54:03,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:54:03,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:54:03,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:54:03,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:54:03,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:54:03,994 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:54:03,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:54:03,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:54:04,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-16 10:54:04,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:54:04,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:54:04,001 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:54:04,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 10:54:04,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:54:04,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:54:04,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:54:04,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:54:04,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:54:04,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:54:04,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:54:04,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:54:04,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:54:04,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 10:54:04,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:54:04,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:54:04,024 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:54:04,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 10:54:04,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:54:04,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:54:04,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:54:04,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:54:04,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:54:04,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:54:04,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:54:04,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:54:04,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:54:04,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-16 10:54:04,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:54:04,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:54:04,061 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:54:04,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 10:54:04,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:54:04,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:54:04,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:54:04,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:54:04,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:54:04,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:54:04,081 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:54:04,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:54:04,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:54:04,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 10:54:04,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:54:04,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:54:04,106 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:54:04,116 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 [2022-11-16 10:54:04,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:54:04,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:54:04,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:54:04,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:54:04,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:54:04,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:54:04,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:54:04,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-16 10:54:04,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:54:04,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-16 10:54:04,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:54:04,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:54:04,152 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:54:04,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-16 10:54:04,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:54:04,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:54:04,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:54:04,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:54:04,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:54:04,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:54:04,173 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:54:04,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:54:04,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:54:04,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-16 10:54:04,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:54:04,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:54:04,194 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:54:04,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:54:04,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:54:04,215 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:54:04,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:54:04,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:54:04,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:54:04,216 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:54:04,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:54:04,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-16 10:54:04,227 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 10:54:04,231 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-16 10:54:04,231 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-16 10:54:04,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:54:04,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:54:04,236 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:54:04,244 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 10:54:04,244 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-16 10:54:04,244 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 10:54:04,244 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i2~0#1) = -2*ULTIMATE.start_main_~i2~0#1 + 15 Supporting invariants [] [2022-11-16 10:54:04,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-16 10:54:04,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-16 10:54:04,255 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-16 10:54:04,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:54:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:04,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 10:54:04,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:54:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:54:04,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 10:54:04,587 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:54:04,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:54:04,758 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 10:54:04,760 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 361 states and 632 transitions. cyclomatic complexity: 272 Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:54:04,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-16 10:54:04,865 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 361 states and 632 transitions. cyclomatic complexity: 272. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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 537 states and 926 transitions. Complement of second has 4 states. [2022-11-16 10:54:04,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-16 10:54:04,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:54:04,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 504 transitions. [2022-11-16 10:54:04,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 504 transitions. Stem has 55 letters. Loop has 35 letters. [2022-11-16 10:54:04,870 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:54:04,870 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 504 transitions. Stem has 90 letters. Loop has 35 letters. [2022-11-16 10:54:04,871 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:54:04,871 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 504 transitions. Stem has 55 letters. Loop has 70 letters. [2022-11-16 10:54:04,872 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:54:04,873 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 537 states and 926 transitions. [2022-11-16 10:54:04,876 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 10:54:04,876 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 537 states to 0 states and 0 transitions. [2022-11-16 10:54:04,877 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 10:54:04,877 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 10:54:04,877 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 10:54:04,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:54:04,877 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 10:54:04,877 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 10:54:04,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:54:04,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 10:54:04,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 10:54:04,878 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:54:04,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:54:04,879 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-11-16 10:54:04,879 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-11-16 10:54:04,879 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 10:54:04,879 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 10:54:04,879 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 10:54:04,879 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 10:54:04,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 10:54:04,880 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:54:04,880 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 10:54:04,880 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 10:54:04,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 10:54:04,881 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 10:54:04,881 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-16 10:54:04,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 10:54:04,881 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 10:54:04,881 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 10:54:04,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 10:54:04 BoogieIcfgContainer [2022-11-16 10:54:04,888 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 10:54:04,889 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 10:54:04,889 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 10:54:04,889 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 10:54:04,890 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:53:58" (3/4) ... [2022-11-16 10:54:04,892 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 10:54:04,892 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 10:54:04,893 INFO L158 Benchmark]: Toolchain (without parser) took 8950.80ms. Allocated memory was 115.3MB in the beginning and 190.8MB in the end (delta: 75.5MB). Free memory was 68.4MB in the beginning and 144.2MB in the end (delta: -75.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 10:54:04,894 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 115.3MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 10:54:04,894 INFO L158 Benchmark]: CACSL2BoogieTranslator took 590.63ms. Allocated memory is still 115.3MB. Free memory was 68.2MB in the beginning and 76.9MB in the end (delta: -8.7MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2022-11-16 10:54:04,895 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.33ms. Allocated memory is still 115.3MB. Free memory was 76.9MB in the beginning and 72.0MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 10:54:04,895 INFO L158 Benchmark]: Boogie Preprocessor took 95.58ms. Allocated memory is still 115.3MB. Free memory was 72.0MB in the beginning and 67.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 10:54:04,896 INFO L158 Benchmark]: RCFGBuilder took 1292.08ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 67.8MB in the beginning and 91.6MB in the end (delta: -23.8MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2022-11-16 10:54:04,896 INFO L158 Benchmark]: BuchiAutomizer took 6867.24ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 91.6MB in the beginning and 144.2MB in the end (delta: -52.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 10:54:04,897 INFO L158 Benchmark]: Witness Printer took 3.73ms. Allocated memory is still 190.8MB. Free memory is still 144.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 10:54:04,899 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 115.3MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 590.63ms. Allocated memory is still 115.3MB. Free memory was 68.2MB in the beginning and 76.9MB in the end (delta: -8.7MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.33ms. Allocated memory is still 115.3MB. Free memory was 76.9MB in the beginning and 72.0MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.58ms. Allocated memory is still 115.3MB. Free memory was 72.0MB in the beginning and 67.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1292.08ms. Allocated memory was 115.3MB in the beginning and 151.0MB in the end (delta: 35.7MB). Free memory was 67.8MB in the beginning and 91.6MB in the end (delta: -23.8MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 6867.24ms. Allocated memory was 151.0MB in the beginning and 190.8MB in the end (delta: 39.8MB). Free memory was 91.6MB in the beginning and 144.2MB in the end (delta: -52.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.73ms. Allocated memory is still 190.8MB. Free memory is still 144.2MB. 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 4 terminating modules (3 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 15 + -2 * i2 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 5.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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, 783 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 782 mSDsluCounter, 3701 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2181 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 1520 mSDtfsCounter, 35 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI2 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital205 mio100 ax100 hnf100 lsp36 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq229 hnf85 smp100 dnf100 smp100 tf101 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 10:54:04,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a186060c-e1cb-40a3-aa1c-55fc513ca84e/bin/uautomizer-tPACEb0tL8/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