./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd --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 32bit --witnessprinter.graph.data.programhash bec73cbd355af8995620266d1bb50e13212a1740ed8bd583620b6985b8fd569c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:19:32,933 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:19:33,016 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-13 14:19:33,021 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:19:33,021 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:19:33,044 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:19:33,046 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:19:33,046 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:19:33,047 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:19:33,047 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:19:33,048 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:19:33,048 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:19:33,048 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:19:33,049 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 14:19:33,050 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 14:19:33,050 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 14:19:33,050 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 14:19:33,050 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 14:19:33,051 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 14:19:33,051 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:19:33,051 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 14:19:33,051 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:19:33,051 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:19:33,051 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:19:33,051 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:19:33,051 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 14:19:33,052 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 14:19:33,052 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 14:19:33,052 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:19:33,052 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:19:33,052 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:19:33,052 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:19:33,052 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 14:19:33,052 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:19:33,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:19:33,053 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:19:33,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:19:33,053 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:19:33,053 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 14:19:33,053 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_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bec73cbd355af8995620266d1bb50e13212a1740ed8bd583620b6985b8fd569c [2024-11-13 14:19:33,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:19:33,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:19:33,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:19:33,318 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:19:33,318 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:19:33,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c Unable to find full path for "g++" [2024-11-13 14:19:35,285 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:19:35,544 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:19:35,547 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/sv-benchmarks/c/bitvector-loops/verisec_sendmail_tTflag_arr_one_loop.c [2024-11-13 14:19:35,555 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/data/613bc35f9/f51aa1826ecc4ae797c3639631e197d3/FLAG3f4225882 [2024-11-13 14:19:35,863 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/data/613bc35f9/f51aa1826ecc4ae797c3639631e197d3 [2024-11-13 14:19:35,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:19:35,868 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:19:35,869 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:19:35,869 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:19:35,874 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:19:35,875 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:19:35" (1/1) ... [2024-11-13 14:19:35,878 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51d79581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:35, skipping insertion in model container [2024-11-13 14:19:35,878 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:19:35" (1/1) ... [2024-11-13 14:19:35,892 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:19:36,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:19:36,040 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:19:36,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:19:36,068 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:19:36,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:36 WrapperNode [2024-11-13 14:19:36,068 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:19:36,069 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:19:36,069 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:19:36,069 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:19:36,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:36" (1/1) ... [2024-11-13 14:19:36,082 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:36" (1/1) ... [2024-11-13 14:19:36,104 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2024-11-13 14:19:36,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:19:36,106 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:19:36,107 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:19:36,107 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:19:36,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:36" (1/1) ... [2024-11-13 14:19:36,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:36" (1/1) ... [2024-11-13 14:19:36,120 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:36" (1/1) ... [2024-11-13 14:19:36,141 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [2, 4]. 67 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2]. [2024-11-13 14:19:36,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:36" (1/1) ... [2024-11-13 14:19:36,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:36" (1/1) ... [2024-11-13 14:19:36,149 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:36" (1/1) ... [2024-11-13 14:19:36,155 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:36" (1/1) ... [2024-11-13 14:19:36,156 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:36" (1/1) ... [2024-11-13 14:19:36,157 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:36" (1/1) ... [2024-11-13 14:19:36,160 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:19:36,164 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:19:36,165 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:19:36,165 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:19:36,166 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:36" (1/1) ... [2024-11-13 14:19:36,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:36,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:36,207 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:36,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 14:19:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:19:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:19:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 14:19:36,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 14:19:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 14:19:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 14:19:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:19:36,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:19:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 14:19:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 14:19:36,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 14:19:36,324 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:19:36,326 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:19:36,464 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 14:19:36,464 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:19:36,473 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:19:36,473 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 14:19:36,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:19:36 BoogieIcfgContainer [2024-11-13 14:19:36,474 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:19:36,474 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 14:19:36,475 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 14:19:36,480 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 14:19:36,481 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:19:36,481 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 02:19:35" (1/3) ... [2024-11-13 14:19:36,482 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@786ae49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 02:19:36, skipping insertion in model container [2024-11-13 14:19:36,482 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:19:36,482 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:19:36" (2/3) ... [2024-11-13 14:19:36,483 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@786ae49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 02:19:36, skipping insertion in model container [2024-11-13 14:19:36,483 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 14:19:36,483 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:19:36" (3/3) ... [2024-11-13 14:19:36,484 INFO L333 chiAutomizerObserver]: Analyzing ICFG verisec_sendmail_tTflag_arr_one_loop.c [2024-11-13 14:19:36,533 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 14:19:36,533 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 14:19:36,534 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 14:19:36,534 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 14:19:36,534 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 14:19:36,534 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 14:19:36,534 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 14:19:36,534 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 14:19:36,539 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2024-11-13 14:19:36,553 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2024-11-13 14:19:36,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:19:36,554 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:19:36,558 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 14:19:36,558 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-13 14:19:36,558 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 14:19:36,559 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2024-11-13 14:19:36,560 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2024-11-13 14:19:36,560 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:19:36,560 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:19:36,560 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-13 14:19:36,560 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-13 14:19:36,568 INFO L745 eck$LassoCheckResult]: Stem: 11#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 12#L21-2true [2024-11-13 14:19:36,569 INFO L747 eck$LassoCheckResult]: Loop: 12#L21-2true assume !!(main_~i~0#1 < 11);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 12#L21-2true [2024-11-13 14:19:36,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:36,578 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-13 14:19:36,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:36,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056063289] [2024-11-13 14:19:36,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:36,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:19:36,686 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:19:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:19:36,722 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:19:36,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:36,725 INFO L85 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2024-11-13 14:19:36,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:36,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172430727] [2024-11-13 14:19:36,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:36,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:19:36,744 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:19:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:19:36,757 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:19:36,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:36,759 INFO L85 PathProgramCache]: Analyzing trace with hash 29863, now seen corresponding path program 1 times [2024-11-13 14:19:36,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:36,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580410575] [2024-11-13 14:19:36,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:36,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:19:36,792 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:19:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:19:36,806 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:19:37,304 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:19:37,305 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:19:37,305 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:19:37,305 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:19:37,305 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:19:37,305 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:37,305 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:19:37,305 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:19:37,306 INFO L132 ssoRankerPreferences]: Filename of dumped script: verisec_sendmail_tTflag_arr_one_loop.c_Iteration1_Lasso [2024-11-13 14:19:37,306 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:19:37,306 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:19:37,321 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:19:37,328 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:19:37,332 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:19:37,335 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:19:37,353 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:19:37,356 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:19:37,359 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:19:37,362 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:19:37,365 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:19:37,369 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:19:37,372 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:19:37,661 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:19:37,666 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:19:37,951 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:19:37,955 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:19:37,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:37,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:37,960 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:37,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-13 14:19:37,965 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 [2024-11-13 14:19:37,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:37,980 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:19:37,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:37,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:37,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:37,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:19:37,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:19:37,989 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:38,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-13 14:19:38,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:38,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:38,009 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:38,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-13 14:19:38,011 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 [2024-11-13 14:19:38,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:38,024 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:19:38,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:38,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:38,025 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:38,025 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:19:38,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:19:38,029 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:38,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-13 14:19:38,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:38,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:38,048 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:38,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-13 14:19:38,050 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 [2024-11-13 14:19:38,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:38,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:19:38,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:38,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:38,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:38,066 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:19:38,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:19:38,068 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:38,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-13 14:19:38,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:38,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:38,089 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:38,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-13 14:19:38,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:19:38,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:38,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:38,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:38,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:38,108 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:19:38,108 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:19:38,114 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:38,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-13 14:19:38,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:38,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:38,135 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:38,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-13 14:19:38,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 14:19:38,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:38,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:38,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:38,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:38,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:19:38,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:19:38,164 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:38,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-13 14:19:38,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:38,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:38,188 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:38,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-13 14:19:38,191 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 [2024-11-13 14:19:38,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:38,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:19:38,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:38,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:38,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:38,207 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:19:38,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:19:38,210 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:38,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-13 14:19:38,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:38,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:38,230 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:38,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-13 14:19:38,232 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 [2024-11-13 14:19:38,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:38,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:19:38,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:38,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:38,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:38,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:19:38,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:19:38,247 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:38,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-13 14:19:38,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:38,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:38,260 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:38,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-13 14:19:38,262 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 [2024-11-13 14:19:38,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:38,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:19:38,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:38,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:38,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:38,273 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:19:38,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:19:38,276 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:38,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-13 14:19:38,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:38,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:38,291 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:38,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-13 14:19:38,294 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 [2024-11-13 14:19:38,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:38,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:19:38,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:38,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:38,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:38,307 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:19:38,307 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:19:38,308 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:38,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-13 14:19:38,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:38,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:38,322 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:38,323 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 [2024-11-13 14:19:38,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-13 14:19:38,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:38,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:19:38,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:38,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:38,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:38,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:19:38,336 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:19:38,340 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:38,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-13 14:19:38,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:38,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:38,360 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:38,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-13 14:19:38,363 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 [2024-11-13 14:19:38,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:38,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:19:38,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:38,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:38,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:38,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:19:38,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:19:38,380 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:38,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-13 14:19:38,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:38,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:38,402 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:38,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-13 14:19:38,405 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 [2024-11-13 14:19:38,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:38,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:38,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:38,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:38,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:19:38,422 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:19:38,427 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:38,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-13 14:19:38,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:38,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:38,447 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:38,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-13 14:19:38,450 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 [2024-11-13 14:19:38,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:38,465 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:19:38,465 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:38,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:38,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:38,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:19:38,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:19:38,473 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:38,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-13 14:19:38,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:38,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:38,490 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:38,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-13 14:19:38,493 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 [2024-11-13 14:19:38,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:38,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:38,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:38,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:38,508 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:19:38,508 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:19:38,514 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:38,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-13 14:19:38,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:38,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:38,534 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:38,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-13 14:19:38,538 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 [2024-11-13 14:19:38,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:38,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:38,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:38,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:38,559 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:19:38,559 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:19:38,567 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:38,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-13 14:19:38,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:38,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:38,587 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:38,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-13 14:19:38,589 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 [2024-11-13 14:19:38,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:38,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:38,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:38,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:38,607 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:19:38,607 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:19:38,613 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:38,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-11-13 14:19:38,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:38,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:38,633 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:38,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-13 14:19:38,668 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 [2024-11-13 14:19:38,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:38,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:38,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:38,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:38,686 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:19:38,686 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:19:38,691 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:38,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-13 14:19:38,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:38,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:38,711 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:38,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-13 14:19:38,714 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 [2024-11-13 14:19:38,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:38,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:38,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:38,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:38,730 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:19:38,730 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:19:38,735 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:38,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-13 14:19:38,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:38,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:38,755 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:38,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-13 14:19:38,758 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 [2024-11-13 14:19:38,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:38,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:38,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:38,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:38,780 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:19:38,780 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:19:38,794 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:19:38,845 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2024-11-13 14:19:38,848 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2024-11-13 14:19:38,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:38,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:38,854 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:38,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-13 14:19:38,858 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:19:38,877 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-13 14:19:38,877 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:19:38,878 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~#in~0#1.base)_1) = -2*ULTIMATE.start_main_~i~0#1 + 21*v_rep(select #length ULTIMATE.start_main_~#in~0#1.base)_1 Supporting invariants [] [2024-11-13 14:19:38,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-13 14:19:38,914 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2024-11-13 14:19:38,923 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 14:19:38,924 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 14:19:38,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:38,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 14:19:38,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:19:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:38,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 14:19:38,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:19:38,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:39,008 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-13 14:19:39,010 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2024-11-13 14:19:39,041 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 24 states and 32 transitions. Complement of second has 4 states. [2024-11-13 14:19:39,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:19:39,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2024-11-13 14:19:39,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2024-11-13 14:19:39,054 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 2 letters. Loop has 1 letters. [2024-11-13 14:19:39,055 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:19:39,055 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 3 letters. Loop has 1 letters. [2024-11-13 14:19:39,055 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:19:39,055 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-13 14:19:39,055 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:19:39,058 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 32 transitions. [2024-11-13 14:19:39,059 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-13 14:19:39,063 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 6 states and 8 transitions. [2024-11-13 14:19:39,063 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2024-11-13 14:19:39,064 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2024-11-13 14:19:39,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 8 transitions. [2024-11-13 14:19:39,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 14:19:39,065 INFO L218 hiAutomatonCegarLoop]: Abstraction has 6 states and 8 transitions. [2024-11-13 14:19:39,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 8 transitions. [2024-11-13 14:19:39,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2024-11-13 14:19:39,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 5 states have internal predecessors, (8), 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) [2024-11-13 14:19:39,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2024-11-13 14:19:39,092 INFO L240 hiAutomatonCegarLoop]: Abstraction has 6 states and 8 transitions. [2024-11-13 14:19:39,092 INFO L424 stractBuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2024-11-13 14:19:39,092 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 14:19:39,092 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. [2024-11-13 14:19:39,093 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-13 14:19:39,094 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:19:39,094 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:19:39,095 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-11-13 14:19:39,095 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-13 14:19:39,096 INFO L745 eck$LassoCheckResult]: Stem: 88#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3); 89#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 90#L21-2 assume !(main_~i~0#1 < 11); 86#L21-3 call write~int#1(0, main_~#in~0#1.base, 10 + main_~#in~0#1.offset, 1);main_~idx_in~0#1 := 0;main_~s~0#1.base, main_~s~0#1.offset := main_~#in~0#1.base, main_~#in~0#1.offset;main_~i~0#1 := 0;call main_#t~mem6#1 := read~int#1(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1; 87#L28-2 [2024-11-13 14:19:39,096 INFO L747 eck$LassoCheckResult]: Loop: 87#L28-2 assume !!(48 <= (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) && (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) <= 57);main_~j~0#1 := (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) - 48;main_~i~0#1 := (if (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 <= 2147483647 then (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 else (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 - 4294967296);main_#t~post7#1 := main_~idx_in~0#1;main_~idx_in~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;call main_#t~mem8#1 := read~int#1(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1; 87#L28-2 [2024-11-13 14:19:39,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:39,096 INFO L85 PathProgramCache]: Analyzing trace with hash 925705, now seen corresponding path program 1 times [2024-11-13 14:19:39,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:39,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924261701] [2024-11-13 14:19:39,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:39,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:39,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:39,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:39,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924261701] [2024-11-13 14:19:39,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924261701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:19:39,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:19:39,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:19:39,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421534086] [2024-11-13 14:19:39,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:19:39,217 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 14:19:39,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:39,217 INFO L85 PathProgramCache]: Analyzing trace with hash 53, now seen corresponding path program 1 times [2024-11-13 14:19:39,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:39,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590604328] [2024-11-13 14:19:39,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:39,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:19:39,248 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:19:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:19:39,267 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:19:39,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:39,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:19:39,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:19:39,454 INFO L87 Difference]: Start difference. First operand 6 states and 8 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-11-13 14:19:39,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:39,467 INFO L93 Difference]: Finished difference Result 7 states and 8 transitions. [2024-11-13 14:19:39,467 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 8 transitions. [2024-11-13 14:19:39,468 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-13 14:19:39,468 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 7 states and 8 transitions. [2024-11-13 14:19:39,468 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-11-13 14:19:39,468 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-11-13 14:19:39,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2024-11-13 14:19:39,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 14:19:39,469 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-11-13 14:19:39,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2024-11-13 14:19:39,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. [2024-11-13 14:19:39,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:19:39,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2024-11-13 14:19:39,470 INFO L240 hiAutomatonCegarLoop]: Abstraction has 6 states and 7 transitions. [2024-11-13 14:19:39,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:19:39,471 INFO L424 stractBuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2024-11-13 14:19:39,471 INFO L331 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-13 14:19:39,471 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2024-11-13 14:19:39,472 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-13 14:19:39,472 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:19:39,472 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:19:39,472 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-13 14:19:39,472 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-13 14:19:39,472 INFO L745 eck$LassoCheckResult]: Stem: 107#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3); 108#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 109#L21-2 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 110#L21-2 assume !(main_~i~0#1 < 11); 105#L21-3 call write~int#1(0, main_~#in~0#1.base, 10 + main_~#in~0#1.offset, 1);main_~idx_in~0#1 := 0;main_~s~0#1.base, main_~s~0#1.offset := main_~#in~0#1.base, main_~#in~0#1.offset;main_~i~0#1 := 0;call main_#t~mem6#1 := read~int#1(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1; 106#L28-2 [2024-11-13 14:19:39,473 INFO L747 eck$LassoCheckResult]: Loop: 106#L28-2 assume !!(48 <= (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) && (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) <= 57);main_~j~0#1 := (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) - 48;main_~i~0#1 := (if (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 <= 2147483647 then (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 else (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 - 4294967296);main_#t~post7#1 := main_~idx_in~0#1;main_~idx_in~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;call main_#t~mem8#1 := read~int#1(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1; 106#L28-2 [2024-11-13 14:19:39,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:39,473 INFO L85 PathProgramCache]: Analyzing trace with hash 28698605, now seen corresponding path program 1 times [2024-11-13 14:19:39,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:39,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855245726] [2024-11-13 14:19:39,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:39,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:39,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:39,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:39,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855245726] [2024-11-13 14:19:39,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855245726] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:19:39,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410165467] [2024-11-13 14:19:39,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:39,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:19:39,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:39,556 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:19:39,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-13 14:19:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:39,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 14:19:39,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:19:39,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:39,653 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:19:39,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:39,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410165467] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:19:39,679 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:19:39,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-13 14:19:39,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560996902] [2024-11-13 14:19:39,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:19:39,679 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 14:19:39,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:39,680 INFO L85 PathProgramCache]: Analyzing trace with hash 53, now seen corresponding path program 2 times [2024-11-13 14:19:39,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:39,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669285237] [2024-11-13 14:19:39,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:39,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:39,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:19:39,687 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:19:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:19:39,694 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:19:39,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:39,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:19:39,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:19:39,835 INFO L87 Difference]: Start difference. First operand 6 states and 7 transitions. cyclomatic complexity: 3 Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2024-11-13 14:19:39,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:39,860 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2024-11-13 14:19:39,861 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 12 transitions. [2024-11-13 14:19:39,861 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-13 14:19:39,861 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 12 transitions. [2024-11-13 14:19:39,862 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-13 14:19:39,862 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-11-13 14:19:39,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 12 transitions. [2024-11-13 14:19:39,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 14:19:39,862 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 12 transitions. [2024-11-13 14:19:39,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 12 transitions. [2024-11-13 14:19:39,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2024-11-13 14:19:39,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 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) [2024-11-13 14:19:39,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2024-11-13 14:19:39,863 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-13 14:19:39,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:19:39,866 INFO L424 stractBuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2024-11-13 14:19:39,866 INFO L331 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-13 14:19:39,866 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2024-11-13 14:19:39,866 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-13 14:19:39,867 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:19:39,867 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:19:39,867 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 1, 1, 1, 1] [2024-11-13 14:19:39,867 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-13 14:19:39,867 INFO L745 eck$LassoCheckResult]: Stem: 158#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3); 159#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 160#L21-2 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 161#L21-2 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 162#L21-2 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 164#L21-2 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 163#L21-2 assume !(main_~i~0#1 < 11); 156#L21-3 call write~int#1(0, main_~#in~0#1.base, 10 + main_~#in~0#1.offset, 1);main_~idx_in~0#1 := 0;main_~s~0#1.base, main_~s~0#1.offset := main_~#in~0#1.base, main_~#in~0#1.offset;main_~i~0#1 := 0;call main_#t~mem6#1 := read~int#1(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1; 157#L28-2 [2024-11-13 14:19:39,867 INFO L747 eck$LassoCheckResult]: Loop: 157#L28-2 assume !!(48 <= (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) && (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) <= 57);main_~j~0#1 := (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) - 48;main_~i~0#1 := (if (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 <= 2147483647 then (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 else (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 - 4294967296);main_#t~post7#1 := main_~idx_in~0#1;main_~idx_in~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;call main_#t~mem8#1 := read~int#1(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1; 157#L28-2 [2024-11-13 14:19:39,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:39,868 INFO L85 PathProgramCache]: Analyzing trace with hash 263387401, now seen corresponding path program 2 times [2024-11-13 14:19:39,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:39,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100258182] [2024-11-13 14:19:39,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:39,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:39,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-11-13 14:19:40,065 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:40,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:40,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100258182] [2024-11-13 14:19:40,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100258182] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:19:40,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684895963] [2024-11-13 14:19:40,066 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 14:19:40,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:19:40,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:40,068 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:19:40,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-13 14:19:40,146 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 14:19:40,146 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:19:40,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 14:19:40,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:19:40,172 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:40,172 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:19:40,255 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:40,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684895963] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:19:40,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:19:40,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-13 14:19:40,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423697246] [2024-11-13 14:19:40,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:19:40,256 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 14:19:40,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:40,257 INFO L85 PathProgramCache]: Analyzing trace with hash 53, now seen corresponding path program 3 times [2024-11-13 14:19:40,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:40,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609798875] [2024-11-13 14:19:40,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:40,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:19:40,273 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:19:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:19:40,283 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:19:40,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:40,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 14:19:40,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:19:40,414 INFO L87 Difference]: Start difference. First operand 9 states and 10 transitions. cyclomatic complexity: 3 Second operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 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) [2024-11-13 14:19:40,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:40,451 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2024-11-13 14:19:40,451 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 18 transitions. [2024-11-13 14:19:40,452 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-13 14:19:40,452 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 18 transitions. [2024-11-13 14:19:40,452 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-13 14:19:40,452 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-11-13 14:19:40,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 18 transitions. [2024-11-13 14:19:40,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 14:19:40,452 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 18 transitions. [2024-11-13 14:19:40,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 18 transitions. [2024-11-13 14:19:40,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2024-11-13 14:19:40,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 14 states have internal predecessors, (16), 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) [2024-11-13 14:19:40,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2024-11-13 14:19:40,454 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 16 transitions. [2024-11-13 14:19:40,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:19:40,455 INFO L424 stractBuchiCegarLoop]: Abstraction has 15 states and 16 transitions. [2024-11-13 14:19:40,455 INFO L331 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-13 14:19:40,455 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 16 transitions. [2024-11-13 14:19:40,455 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-13 14:19:40,455 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:19:40,455 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:19:40,456 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [10, 1, 1, 1, 1] [2024-11-13 14:19:40,456 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-13 14:19:40,456 INFO L745 eck$LassoCheckResult]: Stem: 242#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3); 243#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 244#L21-2 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 245#L21-2 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 246#L21-2 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 254#L21-2 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 253#L21-2 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 252#L21-2 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 251#L21-2 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 250#L21-2 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 249#L21-2 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 248#L21-2 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 247#L21-2 assume !(main_~i~0#1 < 11); 240#L21-3 call write~int#1(0, main_~#in~0#1.base, 10 + main_~#in~0#1.offset, 1);main_~idx_in~0#1 := 0;main_~s~0#1.base, main_~s~0#1.offset := main_~#in~0#1.base, main_~#in~0#1.offset;main_~i~0#1 := 0;call main_#t~mem6#1 := read~int#1(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1; 241#L28-2 [2024-11-13 14:19:40,456 INFO L747 eck$LassoCheckResult]: Loop: 241#L28-2 assume !!(48 <= (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) && (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) <= 57);main_~j~0#1 := (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) - 48;main_~i~0#1 := (if (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 <= 2147483647 then (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 else (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 - 4294967296);main_#t~post7#1 := main_~idx_in~0#1;main_~idx_in~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;call main_#t~mem8#1 := read~int#1(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1; 241#L28-2 [2024-11-13 14:19:40,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:40,457 INFO L85 PathProgramCache]: Analyzing trace with hash -608711031, now seen corresponding path program 3 times [2024-11-13 14:19:40,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:40,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924000208] [2024-11-13 14:19:40,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:40,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:40,841 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:40,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:19:40,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924000208] [2024-11-13 14:19:40,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924000208] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:19:40,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719879427] [2024-11-13 14:19:40,842 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 14:19:40,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:19:40,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:40,846 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:19:40,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-13 14:19:40,981 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-13 14:19:40,981 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:19:40,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 14:19:40,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:19:41,029 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:41,029 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:19:41,169 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:41,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719879427] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:19:41,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:19:41,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 14 [2024-11-13 14:19:41,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107701212] [2024-11-13 14:19:41,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:19:41,169 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-11-13 14:19:41,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:41,170 INFO L85 PathProgramCache]: Analyzing trace with hash 53, now seen corresponding path program 4 times [2024-11-13 14:19:41,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:41,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862403703] [2024-11-13 14:19:41,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:41,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:19:41,176 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:19:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:19:41,181 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:19:41,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:19:41,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 14:19:41,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2024-11-13 14:19:41,306 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. cyclomatic complexity: 3 Second operand has 14 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 14 states have internal predecessors, (16), 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) [2024-11-13 14:19:41,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:19:41,341 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2024-11-13 14:19:41,341 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 19 transitions. [2024-11-13 14:19:41,342 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-13 14:19:41,342 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 19 transitions. [2024-11-13 14:19:41,343 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-11-13 14:19:41,343 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2024-11-13 14:19:41,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 19 transitions. [2024-11-13 14:19:41,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 14:19:41,343 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 19 transitions. [2024-11-13 14:19:41,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 19 transitions. [2024-11-13 14:19:41,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2024-11-13 14:19:41,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.0625) internal successors, (17), 15 states have internal predecessors, (17), 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) [2024-11-13 14:19:41,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2024-11-13 14:19:41,344 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 17 transitions. [2024-11-13 14:19:41,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 14:19:41,347 INFO L424 stractBuchiCegarLoop]: Abstraction has 16 states and 17 transitions. [2024-11-13 14:19:41,348 INFO L331 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-13 14:19:41,348 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 17 transitions. [2024-11-13 14:19:41,348 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-13 14:19:41,348 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 14:19:41,348 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 14:19:41,349 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [11, 1, 1, 1, 1] [2024-11-13 14:19:41,349 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-13 14:19:41,349 INFO L745 eck$LassoCheckResult]: Stem: 370#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(39, 2);call #Ultimate.allocInit(12, 3); 371#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~post5#1, main_#t~mem6#1, main_#t~post7#1, main_#t~mem8#1, main_~#in~0#1.base, main_~#in~0#1.offset, main_~s~0#1.base, main_~s~0#1.offset, main_~c~0#1, main_~i~0#1, main_~j~0#1, main_~idx_in~0#1;call main_~#in~0#1.base, main_~#in~0#1.offset := #Ultimate.allocOnStack(11);havoc main_~s~0#1.base, main_~s~0#1.offset;havoc main_~c~0#1;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~idx_in~0#1;main_~i~0#1 := 0; 372#L21-2 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 373#L21-2 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 374#L21-2 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 383#L21-2 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 382#L21-2 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 381#L21-2 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 380#L21-2 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 379#L21-2 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 378#L21-2 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 377#L21-2 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 376#L21-2 assume !!(main_~i~0#1 < 11);havoc main_#t~nondet4#1;call write~int#1(main_#t~nondet4#1, main_~#in~0#1.base, main_~#in~0#1.offset + main_~i~0#1, 1);main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 375#L21-2 assume !(main_~i~0#1 < 11); 368#L21-3 call write~int#1(0, main_~#in~0#1.base, 10 + main_~#in~0#1.offset, 1);main_~idx_in~0#1 := 0;main_~s~0#1.base, main_~s~0#1.offset := main_~#in~0#1.base, main_~#in~0#1.offset;main_~i~0#1 := 0;call main_#t~mem6#1 := read~int#1(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1; 369#L28-2 [2024-11-13 14:19:41,349 INFO L747 eck$LassoCheckResult]: Loop: 369#L28-2 assume !!(48 <= (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) && (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) <= 57);main_~j~0#1 := (if main_~c~0#1 % 256 % 4294967296 <= 2147483647 then main_~c~0#1 % 256 % 4294967296 else main_~c~0#1 % 256 % 4294967296 - 4294967296) - 48;main_~i~0#1 := (if (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 <= 2147483647 then (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 else (10 * main_~i~0#1 + main_~j~0#1) % 4294967296 % 4294967296 - 4294967296);main_#t~post7#1 := main_~idx_in~0#1;main_~idx_in~0#1 := 1 + main_#t~post7#1;havoc main_#t~post7#1;call main_#t~mem8#1 := read~int#1(main_~#in~0#1.base, main_~#in~0#1.offset + main_~idx_in~0#1, 1);main_~c~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1; 369#L28-2 [2024-11-13 14:19:41,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:41,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1690171027, now seen corresponding path program 4 times [2024-11-13 14:19:41,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:41,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576808779] [2024-11-13 14:19:41,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:41,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:19:41,378 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:19:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:19:41,397 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:19:41,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:41,398 INFO L85 PathProgramCache]: Analyzing trace with hash 53, now seen corresponding path program 5 times [2024-11-13 14:19:41,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:41,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813860962] [2024-11-13 14:19:41,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:41,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:19:41,403 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:19:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:19:41,411 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:19:41,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:41,412 INFO L85 PathProgramCache]: Analyzing trace with hash -855694263, now seen corresponding path program 1 times [2024-11-13 14:19:41,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:19:41,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960038237] [2024-11-13 14:19:41,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:19:41,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:19:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:19:41,472 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:19:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:19:41,522 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:19:51,055 WARN L286 SmtUtils]: Spent 9.39s on a formula simplification. DAG size of input: 234 DAG size of output: 178 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-11-13 14:19:51,297 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 14:19:51,297 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 14:19:51,297 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 14:19:51,297 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 14:19:51,297 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 14:19:51,297 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:51,297 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 14:19:51,297 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 14:19:51,298 INFO L132 ssoRankerPreferences]: Filename of dumped script: verisec_sendmail_tTflag_arr_one_loop.c_Iteration6_Lasso [2024-11-13 14:19:51,298 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 14:19:51,298 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 14:19:51,300 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:19:51,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:19:51,310 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:19:51,904 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:19:51,924 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:19:51,926 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:19:51,928 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:19:51,930 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:19:51,933 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:19:51,935 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:19:51,937 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 14:19:52,466 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 14:19:52,466 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 14:19:52,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:52,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:52,473 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:52,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-13 14:19:52,476 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 [2024-11-13 14:19:52,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:52,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:19:52,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:52,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:52,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:52,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:19:52,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:19:52,493 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:52,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-13 14:19:52,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:52,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:52,513 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:52,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-13 14:19:52,515 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 [2024-11-13 14:19:52,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:52,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:19:52,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:52,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:52,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:52,531 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:19:52,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:19:52,534 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:52,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-13 14:19:52,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:52,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:52,554 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:52,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-13 14:19:52,556 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 [2024-11-13 14:19:52,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:52,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:52,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:52,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:52,572 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:19:52,573 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:19:52,579 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:52,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-11-13 14:19:52,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:52,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:52,599 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:52,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-13 14:19:52,603 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 [2024-11-13 14:19:52,618 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:52,618 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:52,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:52,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:52,620 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:19:52,620 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:19:52,627 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:52,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-11-13 14:19:52,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:52,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:52,646 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:52,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-13 14:19:52,649 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 [2024-11-13 14:19:52,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:52,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:52,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:52,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:52,666 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:19:52,666 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:19:52,672 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:52,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-13 14:19:52,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:52,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:52,692 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:52,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-13 14:19:52,694 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 [2024-11-13 14:19:52,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:52,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:52,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:52,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:52,710 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:19:52,710 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:19:52,714 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:52,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-13 14:19:52,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:52,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:52,734 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:52,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-13 14:19:52,737 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 [2024-11-13 14:19:52,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:52,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:52,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:52,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:52,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:19:52,753 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:19:52,757 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:52,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-11-13 14:19:52,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:52,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:52,776 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:52,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-13 14:19:52,779 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 [2024-11-13 14:19:52,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:52,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:19:52,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:52,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:52,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:52,794 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:19:52,794 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:19:52,796 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:52,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-11-13 14:19:52,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:52,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:52,815 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:52,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-13 14:19:52,818 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 [2024-11-13 14:19:52,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:52,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:52,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:52,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:52,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:19:52,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:19:52,840 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:52,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-11-13 14:19:52,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:52,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:52,860 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:52,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-13 14:19:52,863 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 [2024-11-13 14:19:52,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:52,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:19:52,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:52,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:52,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:52,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:19:52,879 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:19:52,880 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:52,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-11-13 14:19:52,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:52,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:52,900 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:52,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-11-13 14:19:52,903 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 [2024-11-13 14:19:52,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:52,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:19:52,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:52,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:52,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:52,919 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:19:52,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:19:52,923 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:52,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2024-11-13 14:19:52,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:52,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:52,942 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:52,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-13 14:19:52,945 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 [2024-11-13 14:19:52,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:52,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 14:19:52,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:52,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:52,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:52,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 14:19:52,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 14:19:52,962 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:52,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2024-11-13 14:19:52,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:52,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:52,981 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:52,984 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 [2024-11-13 14:19:52,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-13 14:19:52,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:52,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:52,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:52,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:53,005 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:19:53,005 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:19:53,010 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:53,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-11-13 14:19:53,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:53,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:53,030 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:53,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-13 14:19:53,034 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 [2024-11-13 14:19:53,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:53,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:53,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:53,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:53,050 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:19:53,050 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:19:53,055 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 14:19:53,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-11-13 14:19:53,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:53,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:53,076 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:53,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-13 14:19:53,079 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 [2024-11-13 14:19:53,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 14:19:53,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 14:19:53,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 14:19:53,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 14:19:53,097 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 14:19:53,097 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 14:19:53,108 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 14:19:53,132 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2024-11-13 14:19:53,132 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2024-11-13 14:19:53,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 14:19:53,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:19:53,135 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 14:19:53,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-13 14:19:53,137 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 14:19:53,155 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-13 14:19:53,155 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 14:19:53,156 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~idx_in~0#1, v_rep(select #length ULTIMATE.start_main_~#in~0#1.base)_2) = -1*ULTIMATE.start_main_~idx_in~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~#in~0#1.base)_2 Supporting invariants [1*ULTIMATE.start_main_~#in~0#1.offset >= 0] [2024-11-13 14:19:53,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-11-13 14:19:53,197 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2024-11-13 14:19:53,200 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-13 14:19:53,200 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-13 14:19:53,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:19:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:53,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 14:19:53,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:19:53,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-11-13 14:19:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:19:53,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 14:19:53,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:19:53,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:19:53,451 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2024-11-13 14:19:53,451 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 17 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2024-11-13 14:19:53,483 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 17 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) Result 17 states and 18 transitions. Complement of second has 3 states. [2024-11-13 14:19:53,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 14:19:53,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2024-11-13 14:19:53,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-11-13 14:19:53,485 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 15 letters. Loop has 1 letters. [2024-11-13 14:19:53,486 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:19:53,486 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 16 letters. Loop has 1 letters. [2024-11-13 14:19:53,486 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:19:53,486 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 15 letters. Loop has 2 letters. [2024-11-13 14:19:53,486 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 14:19:53,486 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 18 transitions. [2024-11-13 14:19:53,486 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 14:19:53,486 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2024-11-13 14:19:53,487 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-13 14:19:53,487 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-13 14:19:53,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-13 14:19:53,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 14:19:53,487 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 14:19:53,487 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 14:19:53,487 INFO L424 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 14:19:53,487 INFO L331 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-13 14:19:53,487 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-13 14:19:53,487 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 14:19:53,487 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-13 14:19:53,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 02:19:53 BoogieIcfgContainer [2024-11-13 14:19:53,500 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 14:19:53,500 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:19:53,501 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:19:53,501 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:19:53,501 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:19:36" (3/4) ... [2024-11-13 14:19:53,504 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:19:53,504 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:19:53,505 INFO L158 Benchmark]: Toolchain (without parser) took 17637.11ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 79.6MB in the end (delta: 13.2MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-11-13 14:19:53,506 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:19:53,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.45ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.9MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:19:53,506 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.77ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 80.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:19:53,507 INFO L158 Benchmark]: Boogie Preprocessor took 58.08ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.3MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:19:53,507 INFO L158 Benchmark]: RCFGBuilder took 309.40ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 68.5MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:19:53,507 INFO L158 Benchmark]: BuchiAutomizer took 17025.44ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 79.7MB in the end (delta: -11.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:19:53,508 INFO L158 Benchmark]: Witness Printer took 4.13ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 79.6MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:19:53,509 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 199.45ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.9MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.77ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 80.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.08ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.3MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 309.40ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 68.5MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 17025.44ms. Allocated memory is still 117.4MB. Free memory was 68.5MB in the beginning and 79.7MB in the end (delta: -11.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.13ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 79.6MB in the end (delta: 21.1kB). 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: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (4 trivial, 2 deterministic, 0 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. 4 modules have a trivial ranking function, the largest among these consists of 14 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 16.9s and 7 iterations. TraceHistogramMax:11. Analysis of lassos took 16.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 4 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, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 63 IncrementalHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 21 mSDtfsCounter, 63 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU4 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital197 mio100 ax100 hnf100 lsp101 ukn64 mio100 lsp41 div131 bol100 ite100 ukn100 eq157 hnf93 smp77 dnf193 smp75 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms 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! [2024-11-13 14:19:53,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-13 14:19:53,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-13 14:19:53,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-13 14:19:54,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90648830-293c-41d4-b760-fad0b44ae3e4/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE