./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme --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 516828c2d0e4e4ea6fd7a5826d09ca378c2c75a9f8159cf96c4b4e28ff76714b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:56:28,454 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:56:28,521 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 11:56:28,526 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:56:28,527 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:56:28,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:56:28,555 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:56:28,555 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:56:28,556 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:56:28,557 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:56:28,558 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:56:28,558 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:56:28,559 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:56:28,559 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:56:28,560 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:56:28,560 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:56:28,561 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:56:28,561 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:56:28,562 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:56:28,562 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:56:28,563 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:56:28,568 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:56:28,569 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:56:28,570 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:56:28,574 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:56:28,575 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:56:28,575 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:56:28,576 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:56:28,577 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:56:28,577 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:56:28,577 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:56:28,578 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:56:28,578 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:56:28,579 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:56:28,579 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:56:28,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:56:28,580 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:56:28,581 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:56:28,581 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 516828c2d0e4e4ea6fd7a5826d09ca378c2c75a9f8159cf96c4b4e28ff76714b [2023-11-26 11:56:28,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:56:28,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:56:28,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:56:28,869 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:56:28,870 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:56:28,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i [2023-11-26 11:56:32,055 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:56:32,388 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:56:32,388 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/sv-benchmarks/c/array-memsafety/mult_array-alloca-1.i [2023-11-26 11:56:32,408 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/data/e802b6afe/f69f291ac603441ea49b87e554c26bc2/FLAGd11c51e92 [2023-11-26 11:56:32,427 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/data/e802b6afe/f69f291ac603441ea49b87e554c26bc2 [2023-11-26 11:56:32,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:56:32,436 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:56:32,439 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:32,439 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:56:32,445 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:56:32,447 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:32" (1/1) ... [2023-11-26 11:56:32,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a0dffa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:32, skipping insertion in model container [2023-11-26 11:56:32,449 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:56:32" (1/1) ... [2023-11-26 11:56:32,507 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:56:32,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:32,829 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:56:32,904 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:56:32,940 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:56:32,940 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:32 WrapperNode [2023-11-26 11:56:32,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:56:32,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:56:32,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:56:32,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:56:32,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:32" (1/1) ... [2023-11-26 11:56:32,982 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:32" (1/1) ... [2023-11-26 11:56:33,013 INFO L138 Inliner]: procedures = 115, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2023-11-26 11:56:33,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:56:33,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:56:33,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:56:33,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:56:33,026 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:32" (1/1) ... [2023-11-26 11:56:33,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:32" (1/1) ... [2023-11-26 11:56:33,029 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:32" (1/1) ... [2023-11-26 11:56:33,042 INFO L175 MemorySlicer]: Split 3 memory accesses to 2 slices as follows [1, 2]. 67 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 2 writes are split as follows [1, 1]. [2023-11-26 11:56:33,042 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:32" (1/1) ... [2023-11-26 11:56:33,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:32" (1/1) ... [2023-11-26 11:56:33,048 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:32" (1/1) ... [2023-11-26 11:56:33,051 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:32" (1/1) ... [2023-11-26 11:56:33,052 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:32" (1/1) ... [2023-11-26 11:56:33,054 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:32" (1/1) ... [2023-11-26 11:56:33,056 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:56:33,057 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:56:33,057 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:56:33,058 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:56:33,059 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:32" (1/1) ... [2023-11-26 11:56:33,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:33,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:33,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:33,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:56:33,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:56:33,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:56:33,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:56:33,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:56:33,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:56:33,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:56:33,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:56:33,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:56:33,241 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:56:33,243 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:56:33,470 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:56:33,478 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:56:33,478 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 11:56:33,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:56:33 BoogieIcfgContainer [2023-11-26 11:56:33,480 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:56:33,481 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:56:33,481 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:56:33,485 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:56:33,486 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:56:33,486 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:56:32" (1/3) ... [2023-11-26 11:56:33,487 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28e22a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:56:33, skipping insertion in model container [2023-11-26 11:56:33,487 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:56:33,488 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:56:32" (2/3) ... [2023-11-26 11:56:33,488 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28e22a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:56:33, skipping insertion in model container [2023-11-26 11:56:33,488 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:56:33,488 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:56:33" (3/3) ... [2023-11-26 11:56:33,490 INFO L332 chiAutomizerObserver]: Analyzing ICFG mult_array-alloca-1.i [2023-11-26 11:56:33,590 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:56:33,590 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:56:33,590 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:56:33,590 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:56:33,591 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:56:33,592 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:56:33,592 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:56:33,592 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:56:33,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:33,616 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-11-26 11:56:33,616 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:56:33,617 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:56:33,621 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:33,621 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:56:33,621 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 11:56:33,621 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:56:33,623 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2023-11-26 11:56:33,623 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:56:33,623 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:56:33,624 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:33,624 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:56:33,630 INFO L748 eck$LassoCheckResult]: Stem: 12#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~nondet3#1, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet7#1, main_#t~post6#1, main_#t~mem9#1, main_#t~post8#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~fac~0#1, main_~arr~0#1.base, main_~arr~0#1.offset, main_~arr2~0#1.base, main_~arr2~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 7#L515true assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 4#L515-2true havoc main_#t~nondet3#1;main_~fac~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 16#L517true assume !(main_~fac~0#1 < 1 || main_~fac~0#1 % 4294967296 >= 2147483647 / (4 * main_~length~0#1 % 4294967296) % 4294967296); 8#L517-2true call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4 * (main_~fac~0#1 * main_~length~0#1) % 4294967296);main_~arr2~0#1.base, main_~arr2~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 9#L520true assume !((main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0) || (main_~arr2~0#1.base == 0 && main_~arr2~0#1.offset == 0));main_~i~0#1 := 0; 3#L521-3true [2023-11-26 11:56:33,631 INFO L750 eck$LassoCheckResult]: Loop: 3#L521-3true assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet7#1;call write~int#1(main_#t~nondet7#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet7#1; 5#L521-2true main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 3#L521-3true [2023-11-26 11:56:33,635 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:33,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815374, now seen corresponding path program 1 times [2023-11-26 11:56:33,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:33,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30488161] [2023-11-26 11:56:33,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:33,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:33,748 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:56:33,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1637008956] [2023-11-26 11:56:33,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:33,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:56:33,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:33,755 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:56:33,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 11:56:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:33,864 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:33,901 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:33,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:33,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 1 times [2023-11-26 11:56:33,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:33,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594321132] [2023-11-26 11:56:33,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:33,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:33,930 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:33,951 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:33,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:33,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1182787760, now seen corresponding path program 1 times [2023-11-26 11:56:33,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:33,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933541487] [2023-11-26 11:56:33,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:33,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:33,983 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:56:33,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1925556149] [2023-11-26 11:56:33,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:33,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:56:33,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:34,022 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:56:34,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 11:56:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:34,160 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:34,225 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:34,969 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:56:34,970 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:56:34,970 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:56:34,970 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:56:34,971 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:56:34,971 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:34,971 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:56:34,971 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:56:34,971 INFO L133 ssoRankerPreferences]: Filename of dumped script: mult_array-alloca-1.i_Iteration1_Lasso [2023-11-26 11:56:34,972 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:56:34,972 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:56:34,993 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,001 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,006 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,442 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,445 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,449 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,453 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,456 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,460 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,462 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,465 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,468 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,471 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,474 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:35,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:56:49,043 WARN L293 SmtUtils]: Spent 13.52s on a formula simplification. DAG size of input: 120 DAG size of output: 76 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2023-11-26 11:56:56,181 WARN L293 SmtUtils]: Spent 7.04s on a formula simplification that was a NOOP. DAG size: 76 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2023-11-26 11:56:56,269 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:56:56,274 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:56:56,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:56,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:56,284 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:56,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 11:56:56,291 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 [2023-11-26 11:56:56,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:56,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:56:56,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:56,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:56,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:56,309 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:56:56,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:56:56,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:56,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-26 11:56:56,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:56,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:56,317 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:56,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 11:56:56,321 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 [2023-11-26 11:56:56,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:56,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:56,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:56,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:56,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:56,345 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:56,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:56,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:56,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:56,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:56,373 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:56,384 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 [2023-11-26 11:56:56,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:56,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:56,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:56,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:56,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 11:56:56,410 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:56,412 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:56,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:56:56,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:56,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:56,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:56,448 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:56,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 11:56:56,455 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 [2023-11-26 11:56:56,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:56:56,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:56:56,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:56:56,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:56:56,496 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:56:56,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:56:56,523 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:56:56,554 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-26 11:56:56,555 INFO L444 ModelExtractionUtils]: 15 out of 25 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-11-26 11:56:56,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:56:56,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:56,560 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:56:56,580 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:56:56,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 11:56:56,593 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 11:56:56,593 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:56:56,594 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~length~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~length~0#1 Supporting invariants [] [2023-11-26 11:56:56,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 11:56:56,628 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2023-11-26 11:56:56,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:56,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:56:56,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:56,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 11:56:56,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:56,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:56,763 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-26 11:56:56,765 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-11-26 11:56:56,884 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 33 states and 44 transitions. Complement of second has 8 states. [2023-11-26 11:56:56,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-26 11:56:56,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-11-26 11:56:56,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2023-11-26 11:56:56,893 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-26 11:56:56,894 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:56:56,894 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 9 letters. Loop has 2 letters. [2023-11-26 11:56:56,894 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:56:56,894 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 7 letters. Loop has 4 letters. [2023-11-26 11:56:56,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:56:56,896 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 44 transitions. [2023-11-26 11:56:56,899 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 11:56:56,902 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 13 states and 17 transitions. [2023-11-26 11:56:56,903 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-26 11:56:56,904 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-26 11:56:56,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 17 transitions. [2023-11-26 11:56:56,905 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:56:56,905 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2023-11-26 11:56:56,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 17 transitions. [2023-11-26 11:56:56,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2023-11-26 11:56:56,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3076923076923077) 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) [2023-11-26 11:56:56,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 17 transitions. [2023-11-26 11:56:56,929 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 17 transitions. [2023-11-26 11:56:56,929 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 17 transitions. [2023-11-26 11:56:56,930 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 11:56:56,930 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 17 transitions. [2023-11-26 11:56:56,931 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 11:56:56,931 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:56:56,931 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:56:56,931 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:56:56,931 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:56:56,932 INFO L748 eck$LassoCheckResult]: Stem: 132#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 133#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~nondet3#1, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet7#1, main_#t~post6#1, main_#t~mem9#1, main_#t~post8#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~fac~0#1, main_~arr~0#1.base, main_~arr~0#1.offset, main_~arr2~0#1.base, main_~arr2~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 137#L515 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 134#L515-2 havoc main_#t~nondet3#1;main_~fac~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 135#L517 assume !(main_~fac~0#1 < 1 || main_~fac~0#1 % 4294967296 >= 2147483647 / (4 * main_~length~0#1 % 4294967296) % 4294967296); 138#L517-2 call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4 * (main_~fac~0#1 * main_~length~0#1) % 4294967296);main_~arr2~0#1.base, main_~arr2~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 139#L520 assume !((main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0) || (main_~arr2~0#1.base == 0 && main_~arr2~0#1.offset == 0));main_~i~0#1 := 0; 127#L521-3 assume !(main_~i~0#1 < main_~length~0#1); 128#L521-4 main_~j~0#1 := 0; 131#L524-3 [2023-11-26 11:56:56,932 INFO L750 eck$LassoCheckResult]: Loop: 131#L524-3 assume !!(main_~j~0#1 < main_~length~0#1 * main_~fac~0#1);call main_#t~mem9#1 := read~int#1(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * (if main_~i~0#1 < 0 && 0 != main_~i~0#1 % main_~length~0#1 then (if main_~length~0#1 < 0 then main_~i~0#1 % main_~length~0#1 + main_~length~0#1 else main_~i~0#1 % main_~length~0#1 - main_~length~0#1) else main_~i~0#1 % main_~length~0#1), 4);call write~int#0(main_#t~mem9#1, main_~arr2~0#1.base, main_~arr2~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem9#1; 136#L524-2 main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 131#L524-3 [2023-11-26 11:56:56,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:56,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1182787702, now seen corresponding path program 1 times [2023-11-26 11:56:56,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:56,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169560113] [2023-11-26 11:56:56,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:56,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:56,942 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:56:56,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2001721142] [2023-11-26 11:56:56,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:56,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:56:56,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:56,944 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:56:56,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-26 11:56:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:56:57,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 11:56:57,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:56:57,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:56:57,047 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:56:57,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:56:57,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169560113] [2023-11-26 11:56:57,047 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 11:56:57,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001721142] [2023-11-26 11:56:57,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001721142] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:56:57,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:56:57,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:56:57,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909520911] [2023-11-26 11:56:57,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:56:57,052 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:56:57,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:56:57,052 INFO L85 PathProgramCache]: Analyzing trace with hash 2339, now seen corresponding path program 1 times [2023-11-26 11:56:57,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:56:57,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134741429] [2023-11-26 11:56:57,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:57,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:56:57,058 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:56:57,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [958392030] [2023-11-26 11:56:57,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:56:57,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:56:57,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:56:57,066 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:56:57,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-26 11:56:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:57,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:56:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:56:57,136 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:56:58,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-26 11:57:00,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:57:00,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:57:00,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:57:00,173 INFO L87 Difference]: Start difference. First operand 13 states and 17 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2023-11-26 11:57:00,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:57:00,339 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2023-11-26 11:57:00,340 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2023-11-26 11:57:00,340 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 11:57:00,341 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 17 transitions. [2023-11-26 11:57:00,341 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-26 11:57:00,341 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-26 11:57:00,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2023-11-26 11:57:00,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:57:00,342 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2023-11-26 11:57:00,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2023-11-26 11:57:00,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2023-11-26 11:57:00,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 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) [2023-11-26 11:57:00,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2023-11-26 11:57:00,344 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2023-11-26 11:57:00,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:57:00,345 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2023-11-26 11:57:00,346 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 11:57:00,346 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2023-11-26 11:57:00,346 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-26 11:57:00,347 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:57:00,347 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:57:00,347 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:57:00,348 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:57:00,348 INFO L748 eck$LassoCheckResult]: Stem: 190#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 191#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~nondet3#1, main_#t~malloc4#1.base, main_#t~malloc4#1.offset, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet7#1, main_#t~post6#1, main_#t~mem9#1, main_#t~post8#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~fac~0#1, main_~arr~0#1.base, main_~arr~0#1.offset, main_~arr2~0#1.base, main_~arr2~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_#t~nondet2#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 195#L515 assume !(main_~length~0#1 < 1 || main_~length~0#1 % 4294967296 >= 536870911); 192#L515-2 havoc main_#t~nondet3#1;main_~fac~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 193#L517 assume !(main_~fac~0#1 < 1 || main_~fac~0#1 % 4294967296 >= 2147483647 / (4 * main_~length~0#1 % 4294967296) % 4294967296); 196#L517-2 call main_#t~malloc4#1.base, main_#t~malloc4#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1 % 4294967296);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc4#1.base, main_#t~malloc4#1.offset;call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(4 * (main_~fac~0#1 * main_~length~0#1) % 4294967296);main_~arr2~0#1.base, main_~arr2~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset; 197#L520 assume !((main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0) || (main_~arr2~0#1.base == 0 && main_~arr2~0#1.offset == 0));main_~i~0#1 := 0; 185#L521-3 assume !!(main_~i~0#1 < main_~length~0#1);havoc main_#t~nondet7#1;call write~int#1(main_#t~nondet7#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet7#1; 186#L521-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 187#L521-3 assume !(main_~i~0#1 < main_~length~0#1); 188#L521-4 main_~j~0#1 := 0; 189#L524-3 [2023-11-26 11:57:00,348 INFO L750 eck$LassoCheckResult]: Loop: 189#L524-3 assume !!(main_~j~0#1 < main_~length~0#1 * main_~fac~0#1);call main_#t~mem9#1 := read~int#1(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * (if main_~i~0#1 < 0 && 0 != main_~i~0#1 % main_~length~0#1 then (if main_~length~0#1 < 0 then main_~i~0#1 % main_~length~0#1 + main_~length~0#1 else main_~i~0#1 % main_~length~0#1 - main_~length~0#1) else main_~i~0#1 % main_~length~0#1), 4);call write~int#0(main_#t~mem9#1, main_~arr2~0#1.base, main_~arr2~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem9#1; 194#L524-2 main_#t~post8#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 189#L524-3 [2023-11-26 11:57:00,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:00,349 INFO L85 PathProgramCache]: Analyzing trace with hash -1507295208, now seen corresponding path program 1 times [2023-11-26 11:57:00,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:00,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065144944] [2023-11-26 11:57:00,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:00,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:00,358 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:57:00,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1801916632] [2023-11-26 11:57:00,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:00,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:57:00,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:00,361 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:57:00,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-26 11:57:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:57:00,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:57:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:57:00,491 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:57:00,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:00,492 INFO L85 PathProgramCache]: Analyzing trace with hash 2339, now seen corresponding path program 2 times [2023-11-26 11:57:00,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:00,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521566771] [2023-11-26 11:57:00,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:00,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:00,502 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:57:00,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [40204746] [2023-11-26 11:57:00,503 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-26 11:57:00,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:57:00,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:00,510 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:57:00,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-26 11:57:00,574 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-26 11:57:00,574 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2023-11-26 11:57:00,574 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:57:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:57:00,583 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:57:00,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:00,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1106714758, now seen corresponding path program 1 times [2023-11-26 11:57:00,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:57:00,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793930503] [2023-11-26 11:57:00,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:00,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:57:00,594 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 11:57:00,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [554374191] [2023-11-26 11:57:00,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:57:00,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:57:00,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:00,599 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:57:00,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-26 11:57:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:57:00,763 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:57:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:57:00,799 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:57:07,420 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:57:07,420 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:57:07,420 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:57:07,420 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:57:07,420 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:57:07,421 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:57:07,421 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:57:07,421 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:57:07,421 INFO L133 ssoRankerPreferences]: Filename of dumped script: mult_array-alloca-1.i_Iteration3_Lasso [2023-11-26 11:57:07,421 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:57:07,421 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:57:07,427 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:57:07,432 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:57:08,095 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:57:08,097 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:57:08,100 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:57:08,102 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:57:08,104 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:57:08,106 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:57:08,108 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:57:08,110 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:57:08,113 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:57:08,116 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:57:09,001 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:57:09,001 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:57:09,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:57:09,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:09,007 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:09,013 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 [2023-11-26 11:57:09,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-26 11:57:09,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:57:09,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:57:09,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:57:09,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:57:09,029 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:57:09,029 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:57:09,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:57:09,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:09,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:57:09,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:09,041 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:09,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-26 11:57:09,044 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 [2023-11-26 11:57:09,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:57:09,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:57:09,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:57:09,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:57:09,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:57:09,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:57:09,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:57:09,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:09,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:57:09,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:09,069 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:09,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-26 11:57:09,072 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 [2023-11-26 11:57:09,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:57:09,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:57:09,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:57:09,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:57:09,085 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:57:09,085 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:57:09,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:57:09,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:09,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:57:09,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:09,125 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:09,137 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 [2023-11-26 11:57:09,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:57:09,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:57:09,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:57:09,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:57:09,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-26 11:57:09,154 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:57:09,154 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:57:09,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:57:09,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:09,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:57:09,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:09,177 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:09,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-26 11:57:09,190 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 [2023-11-26 11:57:09,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:57:09,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:57:09,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:57:09,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:57:09,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:57:09,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:57:09,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:57:09,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:57:09,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:09,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:57:09,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:09,216 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:09,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-26 11:57:09,220 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 [2023-11-26 11:57:09,230 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:57:09,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:57:09,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:57:09,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:57:09,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:57:09,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:57:09,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:57:09,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:57:09,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:09,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:57:09,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:09,256 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:09,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-26 11:57:09,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:57:09,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:57:09,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:57:09,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:57:09,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:57:09,282 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:57:09,282 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:57:09,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:57:09,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:09,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:57:09,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:09,313 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:09,324 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 [2023-11-26 11:57:09,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:57:09,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:57:09,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:57:09,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:57:09,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:57:09,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-26 11:57:09,338 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:57:09,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:57:09,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:57:09,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:09,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:57:09,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:09,357 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:09,361 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 [2023-11-26 11:57:09,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:57:09,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:57:09,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:57:09,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:57:09,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-26 11:57:09,379 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:57:09,379 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:57:09,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:57:09,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:09,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:57:09,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:09,400 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:09,408 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 [2023-11-26 11:57:09,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-26 11:57:09,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:57:09,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:57:09,422 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-26 11:57:09,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:57:09,453 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-26 11:57:09,453 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-26 11:57:09,532 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:57:09,858 INFO L443 ModelExtractionUtils]: Simplification made 48 calls to the SMT solver. [2023-11-26 11:57:09,858 INFO L444 ModelExtractionUtils]: 12 out of 56 variables were initially zero. Simplification set additionally 36 variables to zero. [2023-11-26 11:57:09,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:57:09,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:57:09,861 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:57:09,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-26 11:57:09,863 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:57:09,877 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 4. [2023-11-26 11:57:09,877 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:57:09,877 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~arr~0#1.base)_2, ULTIMATE.start_main_~arr2~0#1.offset, ULTIMATE.start_main_~j~0#1) = 2147483646*v_rep(select #length ULTIMATE.start_main_~arr~0#1.base)_2 - 1*ULTIMATE.start_main_~arr2~0#1.offset - 4*ULTIMATE.start_main_~j~0#1 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_main_#t~malloc5#1.base)_2 + 4294967295 >= 0, 1073741823*v_rep(select #length ULTIMATE.start_main_~arr~0#1.base)_2 - 1*v_rep(select #length ULTIMATE.start_main_~arr2~0#1.base)_1 >= 0] [2023-11-26 11:57:09,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:09,982 INFO L156 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2023-11-26 11:57:09,986 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~arr~0!base] could not be translated [2023-11-26 11:57:10,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:57:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:10,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-26 11:57:10,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:57:10,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-26 11:57:10,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:57:10,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 11:57:10,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:57:10,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:10,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:57:10,695 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2023-11-26 11:57:10,695 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:10,866 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 19 transitions. Complement of second has 7 states. [2023-11-26 11:57:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 4 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-26 11:57:10,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:57:10,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 16 transitions. [2023-11-26 11:57:10,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 11 letters. Loop has 2 letters. [2023-11-26 11:57:10,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:57:10,868 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 13 letters. Loop has 2 letters. [2023-11-26 11:57:10,868 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:57:10,869 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 16 transitions. Stem has 11 letters. Loop has 4 letters. [2023-11-26 11:57:10,869 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:57:10,869 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2023-11-26 11:57:10,870 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:57:10,870 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2023-11-26 11:57:10,870 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 11:57:10,870 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 11:57:10,870 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 11:57:10,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:57:10,870 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:57:10,870 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:57:10,870 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:57:10,871 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-26 11:57:10,871 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 11:57:10,871 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:57:10,871 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 11:57:10,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 11:57:10 BoogieIcfgContainer [2023-11-26 11:57:10,881 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 11:57:10,882 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:57:10,882 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:57:10,882 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:57:10,882 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:56:33" (3/4) ... [2023-11-26 11:57:10,886 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:57:10,887 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:57:10,893 INFO L158 Benchmark]: Toolchain (without parser) took 38452.49ms. Allocated memory was 148.9MB in the beginning and 213.9MB in the end (delta: 65.0MB). Free memory was 102.5MB in the beginning and 130.3MB in the end (delta: -27.8MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2023-11-26 11:57:10,893 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 148.9MB. Free memory was 118.1MB in the beginning and 118.1MB in the end (delta: 29.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:57:10,894 INFO L158 Benchmark]: CACSL2BoogieTranslator took 502.29ms. Allocated memory is still 148.9MB. Free memory was 102.1MB in the beginning and 85.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 11:57:10,894 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.25ms. Allocated memory is still 148.9MB. Free memory was 85.7MB in the beginning and 84.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:57:10,894 INFO L158 Benchmark]: Boogie Preprocessor took 41.68ms. Allocated memory is still 148.9MB. Free memory was 84.0MB in the beginning and 82.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:57:10,896 INFO L158 Benchmark]: RCFGBuilder took 423.03ms. Allocated memory is still 148.9MB. Free memory was 81.9MB in the beginning and 70.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 11:57:10,896 INFO L158 Benchmark]: BuchiAutomizer took 37399.72ms. Allocated memory was 148.9MB in the beginning and 213.9MB in the end (delta: 65.0MB). Free memory was 69.7MB in the beginning and 130.3MB in the end (delta: -60.5MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-11-26 11:57:10,897 INFO L158 Benchmark]: Witness Printer took 6.08ms. Allocated memory is still 213.9MB. Free memory is still 130.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:57:10,903 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 148.9MB. Free memory was 118.1MB in the beginning and 118.1MB in the end (delta: 29.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 502.29ms. Allocated memory is still 148.9MB. Free memory was 102.1MB in the beginning and 85.7MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.25ms. Allocated memory is still 148.9MB. Free memory was 85.7MB in the beginning and 84.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.68ms. Allocated memory is still 148.9MB. Free memory was 84.0MB in the beginning and 82.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 423.03ms. Allocated memory is still 148.9MB. Free memory was 81.9MB in the beginning and 70.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 37399.72ms. Allocated memory was 148.9MB in the beginning and 213.9MB in the end (delta: 65.0MB). Free memory was 69.7MB in the beginning and 130.3MB in the end (delta: -60.5MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Witness Printer took 6.08ms. Allocated memory is still 213.9MB. Free memory is still 130.3MB. 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: ArrayAccessExpression #length[~arr~0!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function ((-1 * i) + length) and consists of 5 locations. One deterministic module has affine ranking function null and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 37.3s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 35.8s. Construction of modules took 0.2s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 33 mSDtfsCounter, 46 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital271 mio100 ax107 hnf100 lsp155 ukn49 mio100 lsp62 div297 bol100 ite100 ukn100 eq144 hnf94 smp59 dnf114 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 477ms VariablesStem: 14 VariablesLoop: 10 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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! [2023-11-26 11:57:10,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:11,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:11,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-26 11:57:11,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:11,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-26 11:57:11,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-26 11:57:12,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-26 11:57:12,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae678c98-6214-4e46-a92f-08ae39ed27f0/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE