./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcspn_diffterm_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcspn_diffterm_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --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 64bit --witnessprinter.graph.data.programhash 6bebda7974b4ee09f480826bc3895f6f62b6e4c0586920bb97da4d140e226dad --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:49:55,793 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:49:55,905 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-28 03:49:55,911 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:49:55,912 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:49:55,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:49:55,966 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:49:55,966 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:49:55,966 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:49:55,966 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:49:55,967 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:49:55,967 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:49:55,967 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:49:55,967 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 03:49:55,968 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 03:49:55,968 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 03:49:55,968 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 03:49:55,968 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 03:49:55,968 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 03:49:55,968 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:49:55,969 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 03:49:55,969 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:49:55,969 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:49:55,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 03:49:55,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 03:49:55,969 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 03:49:55,969 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:49:55,969 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:49:55,970 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 03:49:55,970 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:49:55,970 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:49:55,970 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:49:55,970 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:49:55,970 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:49:55,970 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 03:49:55,971 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 03:49:55,971 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bebda7974b4ee09f480826bc3895f6f62b6e4c0586920bb97da4d140e226dad [2024-11-28 03:49:56,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:49:56,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:49:56,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:49:56,358 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:49:56,359 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:49:56,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-15/cstrcspn_diffterm_alloca.i [2024-11-28 03:49:59,777 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/data/ccd306f82/884f47e666ba41bdb397e92b7542636a/FLAG871e40785 [2024-11-28 03:50:00,191 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:50:00,192 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/sv-benchmarks/c/termination-15/cstrcspn_diffterm_alloca.i [2024-11-28 03:50:00,204 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/data/ccd306f82/884f47e666ba41bdb397e92b7542636a/FLAG871e40785 [2024-11-28 03:50:00,227 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/data/ccd306f82/884f47e666ba41bdb397e92b7542636a [2024-11-28 03:50:00,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:50:00,239 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:50:00,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:50:00,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:50:00,250 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:50:00,254 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:50:00" (1/1) ... [2024-11-28 03:50:00,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f0651dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:00, skipping insertion in model container [2024-11-28 03:50:00,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:50:00" (1/1) ... [2024-11-28 03:50:00,293 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:50:00,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:50:00,749 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:50:00,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:50:00,874 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:50:00,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:00 WrapperNode [2024-11-28 03:50:00,875 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:50:00,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:50:00,877 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:50:00,877 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:50:00,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:00" (1/1) ... [2024-11-28 03:50:00,895 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:00" (1/1) ... [2024-11-28 03:50:00,925 INFO L138 Inliner]: procedures = 152, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2024-11-28 03:50:00,925 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:50:00,929 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:50:00,929 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:50:00,929 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:50:00,939 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:00" (1/1) ... [2024-11-28 03:50:00,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:00" (1/1) ... [2024-11-28 03:50:00,944 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:00" (1/1) ... [2024-11-28 03:50:00,965 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [3, 4]. 57 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 2 writes are split as follows [1, 1]. [2024-11-28 03:50:00,966 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:00" (1/1) ... [2024-11-28 03:50:00,966 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:00" (1/1) ... [2024-11-28 03:50:00,971 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:00" (1/1) ... [2024-11-28 03:50:00,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:00" (1/1) ... [2024-11-28 03:50:00,975 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:00" (1/1) ... [2024-11-28 03:50:00,980 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:00" (1/1) ... [2024-11-28 03:50:00,981 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:00" (1/1) ... [2024-11-28 03:50:00,987 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:50:00,987 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:50:00,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:50:00,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:50:00,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:00" (1/1) ... [2024-11-28 03:50:01,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:01,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:01,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:01,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 03:50:01,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:50:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:50:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:50:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:50:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:50:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:50:01,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:50:01,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:50:01,174 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:50:01,178 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:50:01,407 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-28 03:50:01,407 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:50:01,417 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:50:01,418 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:50:01,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:50:01 BoogieIcfgContainer [2024-11-28 03:50:01,418 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:50:01,419 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 03:50:01,419 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 03:50:01,426 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 03:50:01,427 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:50:01,427 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:50:00" (1/3) ... [2024-11-28 03:50:01,428 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62119eb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:50:01, skipping insertion in model container [2024-11-28 03:50:01,429 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:50:01,429 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:50:00" (2/3) ... [2024-11-28 03:50:01,429 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62119eb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:50:01, skipping insertion in model container [2024-11-28 03:50:01,429 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:50:01,429 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:50:01" (3/3) ... [2024-11-28 03:50:01,431 INFO L363 chiAutomizerObserver]: Analyzing ICFG cstrcspn_diffterm_alloca.i [2024-11-28 03:50:01,485 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 03:50:01,486 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 03:50:01,486 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 03:50:01,486 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 03:50:01,486 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 03:50:01,486 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 03:50:01,486 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 03:50:01,487 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 03:50:01,492 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:50:01,519 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-11-28 03:50:01,520 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:50:01,520 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:50:01,526 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-28 03:50:01,527 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-28 03:50:01,527 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 03:50:01,527 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:50:01,530 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-11-28 03:50:01,531 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:50:01,531 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:50:01,531 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-28 03:50:01,531 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-28 03:50:01,541 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#0(49, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(49, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem205#1, cstrcspn_#t~mem206#1, cstrcspn_#t~mem207#1, cstrcspn_#t~mem208#1, cstrcspn_#t~short209#1, cstrcspn_#t~post210#1.base, cstrcspn_#t~post210#1.offset, cstrcspn_#t~mem211#1, cstrcspn_#t~post212#1.base, cstrcspn_#t~post212#1.offset, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset;" [2024-11-28 03:50:01,541 INFO L749 eck$LassoCheckResult]: Loop: "call cstrcspn_#t~mem205#1 := read~int#0(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);" "assume 49 != cstrcspn_#t~mem205#1;havoc cstrcspn_#t~mem205#1;" "cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem206#1 := read~int#0(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem206#1;havoc cstrcspn_#t~mem206#1;" "assume !true;" "call cstrcspn_#t~mem211#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);" "assume !(cstrcspn_#t~mem211#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem211#1;cstrcspn_#t~post212#1.base, cstrcspn_#t~post212#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post212#1.base, 1 + cstrcspn_#t~post212#1.offset;havoc cstrcspn_#t~post212#1.base, cstrcspn_#t~post212#1.offset;" [2024-11-28 03:50:01,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:01,548 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2024-11-28 03:50:01,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:50:01,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188583883] [2024-11-28 03:50:01,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:01,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:50:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:50:01,700 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:50:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:50:01,761 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:50:01,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:01,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1452594332, now seen corresponding path program 1 times [2024-11-28 03:50:01,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:50:01,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124424049] [2024-11-28 03:50:01,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:01,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:50:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:01,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:50:01,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124424049] [2024-11-28 03:50:01,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124424049] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:50:01,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774091827] [2024-11-28 03:50:01,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:01,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:50:01,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:01,833 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:50:01,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:50:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:01,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:50:01,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:50:01,931 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:50:01,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774091827] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:50:01,937 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:50:01,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-11-28 03:50:01,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517341498] [2024-11-28 03:50:01,940 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:50:01,943 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-28 03:50:01,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:50:01,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:50:01,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:50:02,016 INFO L87 Difference]: Start difference. First operand has 19 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2024-11-28 03:50:02,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:50:02,026 INFO L93 Difference]: Finished difference Result 19 states and 24 transitions. [2024-11-28 03:50:02,028 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 24 transitions. [2024-11-28 03:50:02,029 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-11-28 03:50:02,035 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 14 states and 18 transitions. [2024-11-28 03:50:02,036 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-11-28 03:50:02,036 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-11-28 03:50:02,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 18 transitions. [2024-11-28 03:50:02,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 03:50:02,037 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-11-28 03:50:02,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 18 transitions. [2024-11-28 03:50:02,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-28 03:50:02,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:50:02,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2024-11-28 03:50:02,068 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-11-28 03:50:02,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:50:02,076 INFO L425 stractBuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2024-11-28 03:50:02,076 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 03:50:02,076 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2024-11-28 03:50:02,077 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 9 [2024-11-28 03:50:02,078 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:50:02,078 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:50:02,078 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-28 03:50:02,078 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:50:02,078 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#0(49, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(49, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem205#1, cstrcspn_#t~mem206#1, cstrcspn_#t~mem207#1, cstrcspn_#t~mem208#1, cstrcspn_#t~short209#1, cstrcspn_#t~post210#1.base, cstrcspn_#t~post210#1.offset, cstrcspn_#t~mem211#1, cstrcspn_#t~post212#1.base, cstrcspn_#t~post212#1.offset, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset;" [2024-11-28 03:50:02,079 INFO L749 eck$LassoCheckResult]: Loop: "call cstrcspn_#t~mem205#1 := read~int#0(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);" "assume 49 != cstrcspn_#t~mem205#1;havoc cstrcspn_#t~mem205#1;" "cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem206#1 := read~int#0(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem206#1;havoc cstrcspn_#t~mem206#1;" "call cstrcspn_#t~mem207#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short209#1 := 49 != cstrcspn_#t~mem207#1;" "assume cstrcspn_#t~short209#1;call cstrcspn_#t~mem208#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short209#1 := cstrcspn_#t~mem208#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256);" "assume !cstrcspn_#t~short209#1;havoc cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~short209#1;" "call cstrcspn_#t~mem211#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);" "assume !(cstrcspn_#t~mem211#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem211#1;cstrcspn_#t~post212#1.base, cstrcspn_#t~post212#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post212#1.base, 1 + cstrcspn_#t~post212#1.offset;havoc cstrcspn_#t~post212#1.base, cstrcspn_#t~post212#1.offset;" [2024-11-28 03:50:02,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:02,081 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 2 times [2024-11-28 03:50:02,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:50:02,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805420792] [2024-11-28 03:50:02,081 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:02,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:50:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:50:02,136 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:50:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:50:02,178 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:50:02,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:02,179 INFO L85 PathProgramCache]: Analyzing trace with hash 64502901, now seen corresponding path program 1 times [2024-11-28 03:50:02,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:50:02,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676120076] [2024-11-28 03:50:02,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:02,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:50:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:50:02,210 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:50:02,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:50:02,223 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:50:02,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:02,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1965882182, now seen corresponding path program 1 times [2024-11-28 03:50:02,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:50:02,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957481200] [2024-11-28 03:50:02,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:02,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:50:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:50:02,274 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:50:02,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:50:02,314 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:50:03,907 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:50:03,907 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:50:03,908 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:50:03,908 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:50:03,908 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:50:03,908 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:03,908 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:50:03,909 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:50:03,909 INFO L132 ssoRankerPreferences]: Filename of dumped script: cstrcspn_diffterm_alloca.i_Iteration2_Lasso [2024-11-28 03:50:03,911 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:50:03,911 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:50:03,937 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:03,946 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:03,951 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:03,955 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:03,960 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:03,966 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:03,970 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:03,974 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:03,978 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:03,981 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:04,638 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:04,641 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:04,644 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:04,647 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:04,651 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:04,653 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:04,657 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:04,660 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:04,663 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:04,666 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:04,670 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:04,673 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:04,676 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:04,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:04,682 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:04,685 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:04,688 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:04,690 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:05,639 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:50:05,644 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:50:05,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:05,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:05,653 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:05,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 03:50:05,656 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 [2024-11-28 03:50:05,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:05,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:50:05,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:05,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:05,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:05,686 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:50:05,686 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:50:05,693 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:05,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-28 03:50:05,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:05,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:05,707 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:05,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 03:50:05,712 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 [2024-11-28 03:50:05,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:05,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:50:05,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:05,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:05,729 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:05,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:50:05,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:50:05,731 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:05,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-28 03:50:05,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:05,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:05,746 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:05,748 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 [2024-11-28 03:50:05,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 03:50:05,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:05,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:50:05,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:05,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:05,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:05,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:50:05,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:50:05,767 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:05,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-28 03:50:05,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:05,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:05,780 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:05,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 03:50:05,785 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 [2024-11-28 03:50:05,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:05,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:05,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:05,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:05,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:50:05,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:50:05,811 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:05,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-28 03:50:05,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:05,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:05,824 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:05,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 03:50:05,829 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 [2024-11-28 03:50:05,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:05,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:50:05,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:05,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:05,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:05,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:50:05,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:50:05,846 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:05,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-28 03:50:05,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:05,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:05,857 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:05,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 03:50:05,860 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 [2024-11-28 03:50:05,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:05,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:50:05,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:05,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:05,874 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:05,874 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:50:05,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:50:05,879 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:05,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-28 03:50:05,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:05,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:05,891 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:05,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-28 03:50:05,896 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 [2024-11-28 03:50:05,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:05,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:50:05,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:05,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:05,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:05,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:50:05,913 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:50:05,917 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:05,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-28 03:50:05,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:05,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:05,931 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:05,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-28 03:50:05,935 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 [2024-11-28 03:50:05,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:05,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:50:05,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:05,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:05,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:05,949 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:50:05,949 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:50:05,951 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:05,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-28 03:50:05,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:05,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:05,961 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:05,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-28 03:50:05,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 03:50:05,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:05,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:50:05,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:05,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:05,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:05,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:50:05,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:50:05,978 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:05,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-28 03:50:05,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:05,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:05,990 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:05,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-28 03:50:05,993 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 [2024-11-28 03:50:06,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:06,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:06,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:06,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:06,015 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:50:06,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:50:06,025 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:06,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-28 03:50:06,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:06,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:06,037 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:06,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-28 03:50:06,043 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 [2024-11-28 03:50:06,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:06,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:06,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:06,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:06,075 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:50:06,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:50:06,088 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:06,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-28 03:50:06,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:06,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:06,101 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:06,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-28 03:50:06,106 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 [2024-11-28 03:50:06,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:06,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:06,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:06,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:06,130 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:50:06,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:50:06,143 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 03:50:06,178 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-11-28 03:50:06,182 INFO L444 ModelExtractionUtils]: 6 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-11-28 03:50:06,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:06,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:06,189 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:06,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-28 03:50:06,193 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 03:50:06,212 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-28 03:50:06,212 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 03:50:06,212 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc215#1.base)_1, ULTIMATE.start_cstrcspn_~sc1~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc215#1.base)_1 - 1*ULTIMATE.start_cstrcspn_~sc1~0#1.offset Supporting invariants [] [2024-11-28 03:50:06,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-28 03:50:06,291 INFO L156 tatePredicateManager]: 13 out of 14 supporting invariants were superfluous and have been removed [2024-11-28 03:50:06,301 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~sc1~0!offset [2024-11-28 03:50:06,302 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-28 03:50:06,302 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-28 03:50:06,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:06,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-28 03:50:06,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:50:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:06,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 03:50:06,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:50:06,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:50:06,520 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 [2024-11-28 03:50:06,521 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-11-28 03:50:06,615 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 18 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 23 states and 30 transitions. Complement of second has 4 states. [2024-11-28 03:50:06,616 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 [2024-11-28 03:50:06,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-11-28 03:50:06,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2024-11-28 03:50:06,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 5 letters. Loop has 8 letters. [2024-11-28 03:50:06,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:50:06,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 13 letters. Loop has 8 letters. [2024-11-28 03:50:06,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:50:06,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 18 transitions. Stem has 5 letters. Loop has 16 letters. [2024-11-28 03:50:06,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:50:06,628 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2024-11-28 03:50:06,629 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 03:50:06,629 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 21 states and 28 transitions. [2024-11-28 03:50:06,631 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2024-11-28 03:50:06,631 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-28 03:50:06,633 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 28 transitions. [2024-11-28 03:50:06,633 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:50:06,633 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 28 transitions. [2024-11-28 03:50:06,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 28 transitions. [2024-11-28 03:50:06,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-28 03:50:06,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.3333333333333333) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:50:06,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 28 transitions. [2024-11-28 03:50:06,636 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 28 transitions. [2024-11-28 03:50:06,636 INFO L425 stractBuchiCegarLoop]: Abstraction has 21 states and 28 transitions. [2024-11-28 03:50:06,636 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 03:50:06,636 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 28 transitions. [2024-11-28 03:50:06,637 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 03:50:06,639 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:50:06,639 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:50:06,639 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:50:06,640 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 03:50:06,640 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#0(49, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(49, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem205#1, cstrcspn_#t~mem206#1, cstrcspn_#t~mem207#1, cstrcspn_#t~mem208#1, cstrcspn_#t~short209#1, cstrcspn_#t~post210#1.base, cstrcspn_#t~post210#1.offset, cstrcspn_#t~mem211#1, cstrcspn_#t~post212#1.base, cstrcspn_#t~post212#1.offset, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset;" "call cstrcspn_#t~mem205#1 := read~int#0(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);" "assume 49 != cstrcspn_#t~mem205#1;havoc cstrcspn_#t~mem205#1;" "cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem206#1 := read~int#0(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem206#1;havoc cstrcspn_#t~mem206#1;" [2024-11-28 03:50:06,640 INFO L749 eck$LassoCheckResult]: Loop: "call cstrcspn_#t~mem207#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short209#1 := 49 != cstrcspn_#t~mem207#1;" "assume cstrcspn_#t~short209#1;call cstrcspn_#t~mem208#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short209#1 := cstrcspn_#t~mem208#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256);" "assume cstrcspn_#t~short209#1;havoc cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~short209#1;" "cstrcspn_#t~post210#1.base, cstrcspn_#t~post210#1.offset := cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_#t~post210#1.base, 1 + cstrcspn_#t~post210#1.offset;" [2024-11-28 03:50:06,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:06,641 INFO L85 PathProgramCache]: Analyzing trace with hash 180428561, now seen corresponding path program 1 times [2024-11-28 03:50:06,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:50:06,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120561526] [2024-11-28 03:50:06,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:06,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:50:06,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:50:06,675 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:50:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:50:06,737 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:50:06,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:06,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1850216, now seen corresponding path program 1 times [2024-11-28 03:50:06,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:50:06,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036455339] [2024-11-28 03:50:06,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:06,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:50:06,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-28 03:50:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:50:06,747 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:50:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:50:06,755 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:50:06,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:06,755 INFO L85 PathProgramCache]: Analyzing trace with hash 2014794360, now seen corresponding path program 1 times [2024-11-28 03:50:06,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:50:06,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840370296] [2024-11-28 03:50:06,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:06,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:50:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:50:06,788 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:50:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:50:06,813 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:50:07,911 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:50:07,911 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:50:07,911 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:50:07,912 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:50:07,912 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:50:07,912 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:07,912 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:50:07,912 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:50:07,912 INFO L132 ssoRankerPreferences]: Filename of dumped script: cstrcspn_diffterm_alloca.i_Iteration3_Lasso [2024-11-28 03:50:07,912 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:50:07,912 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:50:07,915 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:07,919 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:07,921 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:07,924 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:07,927 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:07,929 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:07,932 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:07,935 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:07,938 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:07,940 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:07,943 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:07,946 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:07,949 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:08,370 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:08,373 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:08,376 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:08,379 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:08,382 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:08,385 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:08,387 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:08,390 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:08,393 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:08,396 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:08,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:08,402 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:08,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:08,408 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:09,154 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:50:09,154 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:50:09,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:09,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:09,156 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:09,160 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 [2024-11-28 03:50:09,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-28 03:50:09,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:09,175 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:50:09,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:09,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:09,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:09,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:50:09,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:50:09,180 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:09,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-28 03:50:09,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:09,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:09,193 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:09,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-28 03:50:09,195 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 [2024-11-28 03:50:09,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:09,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:50:09,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:09,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:09,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:09,210 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:50:09,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:50:09,213 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:09,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-28 03:50:09,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:09,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:09,225 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:09,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-28 03:50:09,229 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 [2024-11-28 03:50:09,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:09,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:09,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:09,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:09,244 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:50:09,244 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:50:09,248 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:09,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2024-11-28 03:50:09,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:09,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:09,262 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:09,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-28 03:50:09,268 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 [2024-11-28 03:50:09,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:09,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:50:09,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:09,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:09,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:09,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:50:09,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:50:09,290 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:09,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-28 03:50:09,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:09,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:09,301 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:09,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-28 03:50:09,305 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 [2024-11-28 03:50:09,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:09,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:50:09,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:09,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:09,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:09,319 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:50:09,319 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:50:09,320 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:09,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-11-28 03:50:09,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:09,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:09,328 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:09,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-28 03:50:09,342 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 [2024-11-28 03:50:09,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:09,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:50:09,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:09,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:09,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:09,358 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:50:09,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:50:09,359 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:09,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-28 03:50:09,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:09,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:09,371 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:09,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-28 03:50:09,376 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 [2024-11-28 03:50:09,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:09,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:09,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:09,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:09,392 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:50:09,392 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:50:09,399 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:09,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-28 03:50:09,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:09,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:09,410 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:09,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-28 03:50:09,414 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 [2024-11-28 03:50:09,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:09,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:50:09,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:09,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:09,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:09,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:50:09,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:50:09,434 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:09,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-11-28 03:50:09,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:09,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:09,447 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:09,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-28 03:50:09,452 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 [2024-11-28 03:50:09,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:09,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:50:09,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:09,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:09,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:09,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:50:09,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:50:09,470 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:09,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-11-28 03:50:09,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:09,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:09,481 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:09,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-28 03:50:09,486 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 [2024-11-28 03:50:09,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:09,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:50:09,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:09,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:09,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:09,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:50:09,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:50:09,501 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:09,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-11-28 03:50:09,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:09,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:09,509 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:09,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-28 03:50:09,512 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 [2024-11-28 03:50:09,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:09,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:50:09,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:09,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:09,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:09,525 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:50:09,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:50:09,527 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:09,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-28 03:50:09,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:09,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:09,535 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:09,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-28 03:50:09,538 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 [2024-11-28 03:50:09,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:09,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:09,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:09,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:09,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:50:09,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:50:09,558 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:09,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-28 03:50:09,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:09,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:09,572 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:09,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-28 03:50:09,576 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 [2024-11-28 03:50:09,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:09,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:09,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:09,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:09,605 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:50:09,605 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:50:09,620 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 03:50:09,661 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-11-28 03:50:09,661 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2024-11-28 03:50:09,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:09,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:09,664 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:09,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-28 03:50:09,669 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 03:50:09,685 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-28 03:50:09,685 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 03:50:09,686 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrcspn_~s2#1.base)_2, ULTIMATE.start_cstrcspn_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_cstrcspn_~s2#1.base)_2 - 1*ULTIMATE.start_cstrcspn_~s~0#1.offset Supporting invariants [] [2024-11-28 03:50:09,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-28 03:50:09,749 INFO L156 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2024-11-28 03:50:09,752 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-28 03:50:09,753 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-28 03:50:09,753 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-28 03:50:09,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:09,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 03:50:09,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:50:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:09,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-28 03:50:09,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:50:09,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:50:09,901 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 [2024-11-28 03:50:09,902 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 28 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-28 03:50:09,965 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 28 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 42 states and 55 transitions. Complement of second has 5 states. [2024-11-28 03:50:09,965 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 [2024-11-28 03:50:09,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-28 03:50:09,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2024-11-28 03:50:09,967 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 8 letters. Loop has 4 letters. [2024-11-28 03:50:09,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:50:09,967 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 12 letters. Loop has 4 letters. [2024-11-28 03:50:09,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:50:09,967 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 8 letters. Loop has 8 letters. [2024-11-28 03:50:09,968 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:50:09,968 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 55 transitions. [2024-11-28 03:50:09,969 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 03:50:09,970 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 30 states and 39 transitions. [2024-11-28 03:50:09,970 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2024-11-28 03:50:09,970 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2024-11-28 03:50:09,970 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 39 transitions. [2024-11-28 03:50:09,970 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:50:09,970 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 39 transitions. [2024-11-28 03:50:09,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 39 transitions. [2024-11-28 03:50:09,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2024-11-28 03:50:09,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 28 states have internal predecessors, (38), 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) [2024-11-28 03:50:09,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2024-11-28 03:50:09,973 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 38 transitions. [2024-11-28 03:50:09,973 INFO L425 stractBuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2024-11-28 03:50:09,973 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-28 03:50:09,973 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 38 transitions. [2024-11-28 03:50:09,974 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 03:50:09,974 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:50:09,974 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:50:09,975 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:50:09,975 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 03:50:09,975 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#0(49, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(49, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem205#1, cstrcspn_#t~mem206#1, cstrcspn_#t~mem207#1, cstrcspn_#t~mem208#1, cstrcspn_#t~short209#1, cstrcspn_#t~post210#1.base, cstrcspn_#t~post210#1.offset, cstrcspn_#t~mem211#1, cstrcspn_#t~post212#1.base, cstrcspn_#t~post212#1.offset, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset;" "call cstrcspn_#t~mem205#1 := read~int#0(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);" "assume 49 != cstrcspn_#t~mem205#1;havoc cstrcspn_#t~mem205#1;" "cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem206#1 := read~int#0(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem206#1;havoc cstrcspn_#t~mem206#1;" "call cstrcspn_#t~mem207#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short209#1 := 49 != cstrcspn_#t~mem207#1;" "assume !cstrcspn_#t~short209#1;" "assume !cstrcspn_#t~short209#1;havoc cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~short209#1;" "call cstrcspn_#t~mem211#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);" "assume !(cstrcspn_#t~mem211#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem211#1;cstrcspn_#t~post212#1.base, cstrcspn_#t~post212#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post212#1.base, 1 + cstrcspn_#t~post212#1.offset;havoc cstrcspn_#t~post212#1.base, cstrcspn_#t~post212#1.offset;" "call cstrcspn_#t~mem205#1 := read~int#0(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);" "assume 49 != cstrcspn_#t~mem205#1;havoc cstrcspn_#t~mem205#1;" "cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem206#1 := read~int#0(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem206#1;havoc cstrcspn_#t~mem206#1;" [2024-11-28 03:50:09,975 INFO L749 eck$LassoCheckResult]: Loop: "call cstrcspn_#t~mem207#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short209#1 := 49 != cstrcspn_#t~mem207#1;" "assume cstrcspn_#t~short209#1;call cstrcspn_#t~mem208#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short209#1 := cstrcspn_#t~mem208#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256);" "assume cstrcspn_#t~short209#1;havoc cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~short209#1;" "cstrcspn_#t~post210#1.base, cstrcspn_#t~post210#1.offset := cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_#t~post210#1.base, 1 + cstrcspn_#t~post210#1.offset;" [2024-11-28 03:50:09,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:09,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1941976673, now seen corresponding path program 1 times [2024-11-28 03:50:09,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:50:09,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619785813] [2024-11-28 03:50:09,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:09,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:50:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:50:09,999 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:50:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:50:10,023 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:50:10,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:10,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1850216, now seen corresponding path program 2 times [2024-11-28 03:50:10,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:50:10,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852780273] [2024-11-28 03:50:10,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:10,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:50:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:50:10,035 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:50:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:50:10,041 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:50:10,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:10,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1845626374, now seen corresponding path program 1 times [2024-11-28 03:50:10,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:50:10,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730939761] [2024-11-28 03:50:10,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:10,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:50:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:10,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:50:10,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730939761] [2024-11-28 03:50:10,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730939761] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:50:10,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293771524] [2024-11-28 03:50:10,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:10,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:50:10,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:10,427 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:50:10,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-28 03:50:10,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:10,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-28 03:50:10,530 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:50:10,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-28 03:50:10,728 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:50:10,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293771524] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:50:10,803 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:50:10,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 7] total 15 [2024-11-28 03:50:10,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816858993] [2024-11-28 03:50:10,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:50:10,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:50:10,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-28 03:50:10,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2024-11-28 03:50:10,969 INFO L87 Difference]: Start difference. First operand 29 states and 38 transitions. cyclomatic complexity: 12 Second operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 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) [2024-11-28 03:50:11,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:50:11,184 INFO L93 Difference]: Finished difference Result 63 states and 75 transitions. [2024-11-28 03:50:11,184 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 75 transitions. [2024-11-28 03:50:11,185 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 03:50:11,190 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 46 states and 55 transitions. [2024-11-28 03:50:11,190 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2024-11-28 03:50:11,191 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-11-28 03:50:11,191 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 55 transitions. [2024-11-28 03:50:11,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 03:50:11,191 INFO L218 hiAutomatonCegarLoop]: Abstraction has 46 states and 55 transitions. [2024-11-28 03:50:11,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 55 transitions. [2024-11-28 03:50:11,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 33. [2024-11-28 03:50:11,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 32 states have internal predecessors, (41), 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) [2024-11-28 03:50:11,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 41 transitions. [2024-11-28 03:50:11,197 INFO L240 hiAutomatonCegarLoop]: Abstraction has 33 states and 41 transitions. [2024-11-28 03:50:11,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 03:50:11,199 INFO L425 stractBuchiCegarLoop]: Abstraction has 33 states and 41 transitions. [2024-11-28 03:50:11,199 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-28 03:50:11,199 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 41 transitions. [2024-11-28 03:50:11,200 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-11-28 03:50:11,200 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:50:11,200 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:50:11,201 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:50:11,203 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 03:50:11,204 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet213#1, main_#t~nondet214#1, main_#t~malloc215#1.base, main_#t~malloc215#1.offset, main_#t~malloc216#1.base, main_#t~malloc216#1.offset, main_#t~ret217#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet213#1;main_~length1~0#1 := main_#t~nondet213#1;havoc main_#t~nondet213#1;havoc main_#t~nondet214#1;main_~length2~0#1 := main_#t~nondet214#1;havoc main_#t~nondet214#1;" "assume !(main_~length1~0#1 < 1);" "assume !(main_~length2~0#1 < 1);" "call main_#t~malloc215#1.base, main_#t~malloc215#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc215#1.base, main_#t~malloc215#1.offset;call main_#t~malloc216#1.base, main_#t~malloc216#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc216#1.base, main_#t~malloc216#1.offset;call write~int#0(49, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int#1(49, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcspn } true;cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset, cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc cstrcspn_#res#1;havoc cstrcspn_#t~mem205#1, cstrcspn_#t~mem206#1, cstrcspn_#t~mem207#1, cstrcspn_#t~mem208#1, cstrcspn_#t~short209#1, cstrcspn_#t~post210#1.base, cstrcspn_#t~post210#1.offset, cstrcspn_#t~mem211#1, cstrcspn_#t~post212#1.base, cstrcspn_#t~post212#1.offset, cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset, cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset, cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, cstrcspn_~c~0#1;cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset := cstrcspn_#in~s1#1.base, cstrcspn_#in~s1#1.offset;cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset := cstrcspn_#in~s2#1.base, cstrcspn_#in~s2#1.offset;havoc cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;havoc cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;havoc cstrcspn_~c~0#1;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_~s1#1.base, cstrcspn_~s1#1.offset;" "call cstrcspn_#t~mem205#1 := read~int#0(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);" "assume 49 != cstrcspn_#t~mem205#1;havoc cstrcspn_#t~mem205#1;" "cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem206#1 := read~int#0(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem206#1;havoc cstrcspn_#t~mem206#1;" "call cstrcspn_#t~mem207#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short209#1 := 49 != cstrcspn_#t~mem207#1;" "assume cstrcspn_#t~short209#1;call cstrcspn_#t~mem208#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short209#1 := cstrcspn_#t~mem208#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256);" "assume !cstrcspn_#t~short209#1;havoc cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~short209#1;" "call cstrcspn_#t~mem211#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);" "assume !(cstrcspn_#t~mem211#1 == cstrcspn_~c~0#1);havoc cstrcspn_#t~mem211#1;cstrcspn_#t~post212#1.base, cstrcspn_#t~post212#1.offset := cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset;cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset := cstrcspn_#t~post212#1.base, 1 + cstrcspn_#t~post212#1.offset;havoc cstrcspn_#t~post212#1.base, cstrcspn_#t~post212#1.offset;" "call cstrcspn_#t~mem205#1 := read~int#0(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);" "assume 49 != cstrcspn_#t~mem205#1;havoc cstrcspn_#t~mem205#1;" "cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_~s2#1.base, cstrcspn_~s2#1.offset;call cstrcspn_#t~mem206#1 := read~int#0(cstrcspn_~sc1~0#1.base, cstrcspn_~sc1~0#1.offset, 1);cstrcspn_~c~0#1 := cstrcspn_#t~mem206#1;havoc cstrcspn_#t~mem206#1;" [2024-11-28 03:50:11,204 INFO L749 eck$LassoCheckResult]: Loop: "call cstrcspn_#t~mem207#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short209#1 := 49 != cstrcspn_#t~mem207#1;" "assume cstrcspn_#t~short209#1;call cstrcspn_#t~mem208#1 := read~int#1(cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset, 1);cstrcspn_#t~short209#1 := cstrcspn_#t~mem208#1 != (if cstrcspn_~c~0#1 % 256 <= 127 then cstrcspn_~c~0#1 % 256 else cstrcspn_~c~0#1 % 256 - 256);" "assume cstrcspn_#t~short209#1;havoc cstrcspn_#t~mem207#1;havoc cstrcspn_#t~mem208#1;havoc cstrcspn_#t~short209#1;" "cstrcspn_#t~post210#1.base, cstrcspn_#t~post210#1.offset := cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset;cstrcspn_~s~0#1.base, cstrcspn_~s~0#1.offset := cstrcspn_#t~post210#1.base, 1 + cstrcspn_#t~post210#1.offset;" [2024-11-28 03:50:11,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:11,204 INFO L85 PathProgramCache]: Analyzing trace with hash 577983261, now seen corresponding path program 2 times [2024-11-28 03:50:11,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:50:11,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648242976] [2024-11-28 03:50:11,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:11,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:50:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:50:11,247 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:50:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:50:11,268 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:50:11,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:11,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1850216, now seen corresponding path program 3 times [2024-11-28 03:50:11,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:50:11,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909886760] [2024-11-28 03:50:11,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:11,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:50:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:50:11,275 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:50:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:50:11,280 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:50:11,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:11,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1144561796, now seen corresponding path program 1 times [2024-11-28 03:50:11,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:50:11,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59347883] [2024-11-28 03:50:11,281 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:50:11,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:50:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:50:11,310 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:50:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:50:11,359 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:50:12,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-28 03:50:12,975 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 03:50:12,975 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 03:50:12,975 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 03:50:12,975 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 03:50:12,975 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 03:50:12,976 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:12,976 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 03:50:12,976 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 03:50:12,976 INFO L132 ssoRankerPreferences]: Filename of dumped script: cstrcspn_diffterm_alloca.i_Iteration5_Lasso [2024-11-28 03:50:12,976 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 03:50:12,976 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 03:50:12,980 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:12,985 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:12,987 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:12,989 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:12,992 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:12,995 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:12,998 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:13,000 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:13,005 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:13,009 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:13,013 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:13,576 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:13,579 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:13,581 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:13,583 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:13,586 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:13,588 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:13,590 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:13,593 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:13,595 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:13,597 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:13,600 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:13,602 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:13,605 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 03:50:15,170 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 03:50:15,171 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 03:50:15,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:15,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:15,173 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:15,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-28 03:50:15,177 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 [2024-11-28 03:50:15,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:15,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:50:15,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:15,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:15,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:15,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:50:15,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:50:15,196 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:15,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-11-28 03:50:15,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:15,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:15,210 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:15,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-28 03:50:15,213 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 [2024-11-28 03:50:15,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:15,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:50:15,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:15,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:15,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:15,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:50:15,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:50:15,234 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:15,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-11-28 03:50:15,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:15,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:15,245 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:15,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-28 03:50:15,247 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 [2024-11-28 03:50:15,259 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:15,259 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:50:15,259 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:15,259 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:15,259 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:15,260 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:50:15,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:50:15,261 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:15,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-11-28 03:50:15,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:15,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:15,269 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:15,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-28 03:50:15,272 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 [2024-11-28 03:50:15,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:15,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:50:15,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:15,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:15,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:15,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:50:15,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:50:15,286 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:15,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2024-11-28 03:50:15,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:15,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:15,295 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:15,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-28 03:50:15,299 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 [2024-11-28 03:50:15,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:15,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:50:15,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:15,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:15,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:15,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:50:15,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:50:15,315 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:15,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-11-28 03:50:15,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:15,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:15,323 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:15,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-28 03:50:15,326 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 [2024-11-28 03:50:15,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:15,338 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:50:15,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:15,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:15,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:15,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:50:15,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:50:15,343 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:15,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-28 03:50:15,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:15,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:15,352 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:15,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-28 03:50:15,354 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 [2024-11-28 03:50:15,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:15,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:50:15,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:15,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:15,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:15,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:50:15,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:50:15,371 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:15,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-11-28 03:50:15,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:15,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:15,383 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:15,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-28 03:50:15,388 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 [2024-11-28 03:50:15,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:15,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:50:15,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:15,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:15,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:15,403 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:50:15,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:50:15,405 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:15,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-11-28 03:50:15,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:15,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:15,413 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:15,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-28 03:50:15,418 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 [2024-11-28 03:50:15,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:15,432 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:50:15,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:15,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:15,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:15,432 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:50:15,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:50:15,434 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:15,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-11-28 03:50:15,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:15,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:15,442 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:15,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-28 03:50:15,445 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 [2024-11-28 03:50:15,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:15,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 03:50:15,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:15,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:15,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:15,460 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 03:50:15,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 03:50:15,461 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:15,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-11-28 03:50:15,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:15,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:15,470 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:15,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-28 03:50:15,472 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 [2024-11-28 03:50:15,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:15,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:15,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:15,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:15,486 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:50:15,486 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:50:15,493 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:15,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-11-28 03:50:15,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:15,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:15,504 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:15,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-28 03:50:15,508 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 [2024-11-28 03:50:15,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:15,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:15,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:15,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:15,528 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:50:15,528 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:50:15,539 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:15,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-11-28 03:50:15,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:15,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:15,552 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:15,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-28 03:50:15,557 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 [2024-11-28 03:50:15,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:15,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:15,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:15,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:15,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:50:15,580 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:50:15,588 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 03:50:15,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-11-28 03:50:15,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:15,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:15,602 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:15,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-28 03:50:15,610 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 [2024-11-28 03:50:15,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 03:50:15,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 03:50:15,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 03:50:15,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 03:50:15,633 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 03:50:15,633 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 03:50:15,647 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 03:50:15,708 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2024-11-28 03:50:15,708 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2024-11-28 03:50:15,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:50:15,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:50:15,713 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:50:15,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-28 03:50:15,716 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 03:50:15,737 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-28 03:50:15,737 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 03:50:15,737 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcspn_~s~0#1.offset) = -2*ULTIMATE.start_cstrcspn_~s~0#1.offset + 36893488147419103229 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_main_#t~malloc216#1.base)_3 + 18446744073709551615 >= 0] [2024-11-28 03:50:15,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-11-28 03:50:15,787 INFO L156 tatePredicateManager]: 7 out of 9 supporting invariants were superfluous and have been removed [2024-11-28 03:50:15,793 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~s~0!offset [2024-11-28 03:50:15,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:15,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 03:50:15,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:50:15,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-28 03:50:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:15,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 03:50:15,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:50:16,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:50:16,052 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-11-28 03:50:16,052 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:50:16,129 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 42 states and 53 transitions. Complement of second has 6 states. [2024-11-28 03:50:16,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 03:50:16,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:50:16,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2024-11-28 03:50:16,132 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 16 letters. Loop has 4 letters. [2024-11-28 03:50:16,132 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:50:16,132 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 03:50:16,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:16,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 03:50:16,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:50:16,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-28 03:50:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:16,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 03:50:16,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:50:16,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:50:16,375 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2024-11-28 03:50:16,375 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:50:16,436 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 42 states and 53 transitions. Complement of second has 6 states. [2024-11-28 03:50:16,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 03:50:16,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:50:16,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2024-11-28 03:50:16,438 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 16 letters. Loop has 4 letters. [2024-11-28 03:50:16,438 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:50:16,438 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 03:50:16,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:50:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:16,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 03:50:16,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:50:16,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-11-28 03:50:16,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:50:16,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 03:50:16,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:50:16,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:50:16,697 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-11-28 03:50:16,697 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:50:16,772 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 41 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 63 transitions. Complement of second has 5 states. [2024-11-28 03:50:16,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 03:50:16,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:50:16,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2024-11-28 03:50:16,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 16 letters. Loop has 4 letters. [2024-11-28 03:50:16,774 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:50:16,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 20 letters. Loop has 4 letters. [2024-11-28 03:50:16,774 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:50:16,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 16 letters. Loop has 8 letters. [2024-11-28 03:50:16,775 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 03:50:16,775 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 63 transitions. [2024-11-28 03:50:16,777 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 03:50:16,777 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 0 states and 0 transitions. [2024-11-28 03:50:16,777 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 03:50:16,777 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 03:50:16,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 03:50:16,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 03:50:16,777 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:50:16,777 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:50:16,777 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 03:50:16,777 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-28 03:50:16,777 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 03:50:16,778 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 03:50:16,778 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 03:50:16,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:50:16 BoogieIcfgContainer [2024-11-28 03:50:16,787 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 03:50:16,788 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:50:16,788 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:50:16,788 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:50:16,789 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:50:01" (3/4) ... [2024-11-28 03:50:16,791 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:50:16,792 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:50:16,793 INFO L158 Benchmark]: Toolchain (without parser) took 16555.96ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.2MB in the beginning and 166.1MB in the end (delta: -72.9MB). Peak memory consumption was 161.8MB. Max. memory is 16.1GB. [2024-11-28 03:50:16,793 INFO L158 Benchmark]: CDTParser took 0.97ms. Allocated memory is still 167.8MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:50:16,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 635.08ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 74.3MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:50:16,794 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.81ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 72.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:50:16,794 INFO L158 Benchmark]: Boogie Preprocessor took 58.20ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 71.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:50:16,794 INFO L158 Benchmark]: RCFGBuilder took 430.92ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 58.0MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:50:16,795 INFO L158 Benchmark]: BuchiAutomizer took 15367.76ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 58.0MB in the beginning and 166.2MB in the end (delta: -108.3MB). Peak memory consumption was 128.3MB. Max. memory is 16.1GB. [2024-11-28 03:50:16,795 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 352.3MB. Free memory was 166.2MB in the beginning and 166.1MB in the end (delta: 72.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:50:16,797 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.97ms. Allocated memory is still 167.8MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 635.08ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 74.3MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.81ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 72.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.20ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 71.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 430.92ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 58.0MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 15367.76ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 58.0MB in the beginning and 166.2MB in the end (delta: -108.3MB). Peak memory consumption was 128.3MB. Max. memory is 16.1GB. * Witness Printer took 4.27ms. Allocated memory is still 352.3MB. Free memory was 166.2MB in the beginning and 166.1MB in the end (delta: 72.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~sc1~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~s~0!offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 3 locations. One deterministic module has affine ranking function null and consists of 3 locations. One nondeterministic module has affine ranking function null and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.3s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 13.3s. Construction of modules took 0.2s. Büchi inclusion checks took 1.6s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 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 [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 129 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 129 mSDsluCounter, 236 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 134 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 136 IncrementalHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 102 mSDtfsCounter, 136 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital277 mio100 ax100 hnf100 lsp110 ukn61 mio100 lsp31 div151 bol100 ite100 ukn100 eq154 hnf97 smp69 dnf1100 smp32 tf100 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 33ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-28 03:50:16,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-11-28 03:50:17,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-28 03:50:17,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:50:17,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_561b85c3-917a-41d0-97b7-cbffd19b2bbf/bin/uautomizer-verify-aQ6SnzHsRB/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