./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/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_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/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_4acfbac7-9a50-4ddf-816a-954cef80ae54/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 56160afe0156ee9cb1db810e306de9e54e614e31d545b68546457414a273604d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:48:24,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:48:24,244 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 11:48:24,250 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:48:24,251 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:48:24,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:48:24,284 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:48:24,284 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:48:24,285 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:48:24,286 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:48:24,287 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:48:24,288 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:48:24,289 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:48:24,289 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:48:24,290 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:48:24,291 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:48:24,291 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:48:24,292 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:48:24,293 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:48:24,293 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:48:24,294 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:48:24,295 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:48:24,295 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:48:24,296 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:48:24,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:48:24,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:48:24,298 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:48:24,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:48:24,299 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:48:24,299 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:48:24,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:48:24,301 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:48:24,301 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:48:24,302 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:48:24,302 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:48:24,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:48:24,303 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:48:24,304 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:48:24,305 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_4acfbac7-9a50-4ddf-816a-954cef80ae54/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56160afe0156ee9cb1db810e306de9e54e614e31d545b68546457414a273604d [2023-11-26 11:48:24,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:48:24,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:48:24,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:48:24,704 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:48:24,705 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:48:24,706 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2023-11-26 11:48:28,362 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:48:28,734 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:48:28,737 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/sv-benchmarks/c/array-memsafety/insertionsort-alloca-1.i [2023-11-26 11:48:28,756 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/data/6086359e1/2a38ef51760b4decb2c1221eb17a6c17/FLAG192dc6b6f [2023-11-26 11:48:28,780 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/data/6086359e1/2a38ef51760b4decb2c1221eb17a6c17 [2023-11-26 11:48:28,784 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:48:28,793 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:48:28,796 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:48:28,796 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:48:28,803 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:48:28,803 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:48:28" (1/1) ... [2023-11-26 11:48:28,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5049918e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:28, skipping insertion in model container [2023-11-26 11:48:28,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:48:28" (1/1) ... [2023-11-26 11:48:28,874 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:48:29,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:48:29,341 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:48:29,390 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:48:29,425 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:48:29,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:29 WrapperNode [2023-11-26 11:48:29,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:48:29,428 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:48:29,428 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:48:29,428 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:48:29,436 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:29" (1/1) ... [2023-11-26 11:48:29,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:29" (1/1) ... [2023-11-26 11:48:29,509 INFO L138 Inliner]: procedures = 116, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2023-11-26 11:48:29,509 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:48:29,510 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:48:29,510 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:48:29,510 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:48:29,520 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:29" (1/1) ... [2023-11-26 11:48:29,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:29" (1/1) ... [2023-11-26 11:48:29,528 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:29" (1/1) ... [2023-11-26 11:48:29,546 INFO L175 MemorySlicer]: Split 6 memory accesses to 1 slices as follows [6]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 3 writes are split as follows [3]. [2023-11-26 11:48:29,546 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:29" (1/1) ... [2023-11-26 11:48:29,547 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:29" (1/1) ... [2023-11-26 11:48:29,553 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:29" (1/1) ... [2023-11-26 11:48:29,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:29" (1/1) ... [2023-11-26 11:48:29,559 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:29" (1/1) ... [2023-11-26 11:48:29,560 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:29" (1/1) ... [2023-11-26 11:48:29,563 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:48:29,564 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:48:29,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:48:29,565 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:48:29,566 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:29" (1/1) ... [2023-11-26 11:48:29,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:29,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:29,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:29,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:48:29,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:48:29,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:48:29,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:48:29,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:48:29,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:48:29,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:48:29,769 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:48:29,772 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:48:29,931 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:48:29,942 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:48:29,943 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-26 11:48:29,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:48:29 BoogieIcfgContainer [2023-11-26 11:48:29,945 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:48:29,946 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:48:29,946 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:48:29,950 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:48:29,952 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:48:29,952 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:48:28" (1/3) ... [2023-11-26 11:48:29,953 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c0e650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:48:29, skipping insertion in model container [2023-11-26 11:48:29,953 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:48:29,954 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:48:29" (2/3) ... [2023-11-26 11:48:29,954 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c0e650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:48:29, skipping insertion in model container [2023-11-26 11:48:29,954 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:48:29,955 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:48:29" (3/3) ... [2023-11-26 11:48:29,956 INFO L332 chiAutomizerObserver]: Analyzing ICFG insertionsort-alloca-1.i [2023-11-26 11:48:30,028 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:48:30,028 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:48:30,028 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:48:30,029 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:48:30,029 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:48:30,029 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:48:30,029 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:48:30,030 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:48:30,035 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 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 11:48:30,054 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2023-11-26 11:48:30,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:48:30,054 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:48:30,060 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-26 11:48:30,060 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:48:30,061 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 11:48:30,061 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 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 11:48:30,063 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2023-11-26 11:48:30,063 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:48:30,064 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:48:30,064 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-26 11:48:30,064 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-26 11:48:30,073 INFO L748 eck$LassoCheckResult]: Stem: 14#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 2#L525true assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 11#L525-2true call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 7#L530-3true [2023-11-26 11:48:30,074 INFO L750 eck$LassoCheckResult]: Loop: 7#L530-3true assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 4#L530-2true main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 7#L530-3true [2023-11-26 11:48:30,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:30,080 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2023-11-26 11:48:30,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:30,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185968220] [2023-11-26 11:48:30,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:30,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:30,185 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:48:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:30,219 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:48:30,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:30,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2023-11-26 11:48:30,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:30,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663285656] [2023-11-26 11:48:30,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:30,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:30,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:48:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:30,249 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:48:30,250 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:30,251 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2023-11-26 11:48:30,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:30,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777937653] [2023-11-26 11:48:30,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:30,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:30,316 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:48:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:30,358 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:48:30,734 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:48:30,735 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:48:30,735 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:48:30,735 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:48:30,736 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:48:30,736 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:30,736 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:48:30,736 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:48:30,737 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration1_Lasso [2023-11-26 11:48:30,737 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:48:30,737 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:48:30,762 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 11:48:30,961 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 11:48:30,965 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 11:48:30,968 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 11:48:30,973 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 11:48:30,977 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 11:48:30,980 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 11:48:30,983 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 11:48:30,987 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 11:48:31,409 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:48:31,414 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:48:31,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:31,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:31,421 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:31,460 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 11:48:31,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 11:48:31,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:31,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:48:31,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:31,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:31,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:31,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:48:31,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:48:31,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:31,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:31,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:31,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:31,514 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:31,522 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 11:48:31,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 11:48:31,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:31,538 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:31,538 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:31,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:31,549 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:48:31,550 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:48:31,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:31,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:31,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:31,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:31,579 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:31,591 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 11:48:31,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 11:48:31,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:31,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:31,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:31,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:31,613 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:48:31,614 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:48:31,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:31,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:31,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:31,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:31,646 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:31,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:48:31,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:31,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:31,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:31,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:31,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 11:48:31,692 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:48:31,698 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:48:31,719 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:48:31,768 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2023-11-26 11:48:31,768 INFO L444 ModelExtractionUtils]: 1 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. [2023-11-26 11:48:31,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:31,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:31,818 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:31,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 11:48:31,824 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:48:31,869 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-26 11:48:31,870 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:48:31,870 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_1, ULTIMATE.start_main_~i~1#1) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_1 - 4*ULTIMATE.start_main_~i~1#1 Supporting invariants [1*ULTIMATE.start_main_~a~0#1.offset >= 0] [2023-11-26 11:48:31,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:31,903 INFO L156 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2023-11-26 11:48:31,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc9!base] could not be translated [2023-11-26 11:48:31,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:32,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 11:48:32,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:48:32,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:32,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 11:48:32,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:48:32,102 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 11:48:32,157 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 11:48:32,160 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:48:32,282 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 17 states have internal predecessors, (25), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 48 transitions. Complement of second has 8 states. [2023-11-26 11:48:32,285 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 11:48:32,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:48:32,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2023-11-26 11:48:32,296 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-26 11:48:32,298 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:48:32,298 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 6 letters. Loop has 2 letters. [2023-11-26 11:48:32,298 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:48:32,299 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 4 letters. Loop has 4 letters. [2023-11-26 11:48:32,299 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:48:32,301 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 48 transitions. [2023-11-26 11:48:32,309 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-26 11:48:32,315 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 15 states and 21 transitions. [2023-11-26 11:48:32,316 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2023-11-26 11:48:32,317 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-26 11:48:32,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2023-11-26 11:48:32,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:48:32,319 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 21 transitions. [2023-11-26 11:48:32,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2023-11-26 11:48:32,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-26 11:48:32,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.4) internal successors, (21), 14 states have internal predecessors, (21), 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 11:48:32,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2023-11-26 11:48:32,354 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 21 transitions. [2023-11-26 11:48:32,354 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2023-11-26 11:48:32,354 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 11:48:32,355 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 21 transitions. [2023-11-26 11:48:32,358 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-26 11:48:32,358 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:48:32,358 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:48:32,359 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:48:32,359 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 11:48:32,360 INFO L748 eck$LassoCheckResult]: Stem: 130#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 127#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 117#L525 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 118#L525-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 124#L530-3 assume !(main_~i~1#1 < main_~array_size~0#1); 125#L530-4 havoc main_~i~1#1;assume { :begin_inline_insertionSort } true;insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset, insertionSort_#in~array_size#1 := main_~a~0#1.base, main_~a~0#1.offset, main_~array_size~0#1;havoc insertionSort_#t~mem3#1, insertionSort_#t~mem7#1, insertionSort_#t~post4#1, insertionSort_#t~mem5#1, insertionSort_#t~short6#1, insertionSort_#t~pre2#1, insertionSort_~a#1.base, insertionSort_~a#1.offset, insertionSort_~array_size#1, insertionSort_~i~0#1, insertionSort_~j~0#1, insertionSort_~index~0#1;insertionSort_~a#1.base, insertionSort_~a#1.offset := insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset;insertionSort_~array_size#1 := insertionSort_#in~array_size#1;havoc insertionSort_~i~0#1;havoc insertionSort_~j~0#1;havoc insertionSort_~index~0#1;insertionSort_~i~0#1 := 1; 121#L515-3 [2023-11-26 11:48:32,360 INFO L750 eck$LassoCheckResult]: Loop: 121#L515-3 assume !!(insertionSort_~i~0#1 < insertionSort_~array_size#1);call insertionSort_#t~mem3#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~i~0#1, 4);insertionSort_~index~0#1 := insertionSort_#t~mem3#1;havoc insertionSort_#t~mem3#1;insertionSort_~j~0#1 := insertionSort_~i~0#1; 122#L518-6 assume !true; 128#L518-7 call write~int#0(insertionSort_~index~0#1, insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~j~0#1, 4); 123#L515-2 insertionSort_#t~pre2#1 := 1 + insertionSort_~i~0#1;insertionSort_~i~0#1 := 1 + insertionSort_~i~0#1;havoc insertionSort_#t~pre2#1; 121#L515-3 [2023-11-26 11:48:32,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:32,367 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2023-11-26 11:48:32,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:32,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893961356] [2023-11-26 11:48:32,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:32,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:32,519 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 11:48:32,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:48:32,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893961356] [2023-11-26 11:48:32,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893961356] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:48:32,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:48:32,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:48:32,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232133203] [2023-11-26 11:48:32,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:48:32,526 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:48:32,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:32,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1896758, now seen corresponding path program 1 times [2023-11-26 11:48:32,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:32,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96064472] [2023-11-26 11:48:32,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:32,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:32,573 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 11:48:32,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:48:32,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96064472] [2023-11-26 11:48:32,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96064472] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:48:32,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:48:32,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:48:32,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867825327] [2023-11-26 11:48:32,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:48:32,579 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-26 11:48:32,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:48:32,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:48:32,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:48:32,609 INFO L87 Difference]: Start difference. First operand 15 states and 21 transitions. cyclomatic complexity: 8 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:48:32,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:48:32,637 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2023-11-26 11:48:32,637 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 20 transitions. [2023-11-26 11:48:32,641 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-26 11:48:32,644 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 20 transitions. [2023-11-26 11:48:32,644 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-26 11:48:32,645 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-26 11:48:32,645 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2023-11-26 11:48:32,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:48:32,646 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2023-11-26 11:48:32,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2023-11-26 11:48:32,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-26 11:48:32,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-26 11:48:32,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 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 11:48:32,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2023-11-26 11:48:32,661 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2023-11-26 11:48:32,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:48:32,662 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2023-11-26 11:48:32,662 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-26 11:48:32,662 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2023-11-26 11:48:32,664 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-26 11:48:32,664 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:48:32,664 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:48:32,665 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:48:32,665 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:48:32,666 INFO L748 eck$LassoCheckResult]: Stem: 167#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 164#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 154#L525 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 155#L525-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 161#L530-3 assume !(main_~i~1#1 < main_~array_size~0#1); 162#L530-4 havoc main_~i~1#1;assume { :begin_inline_insertionSort } true;insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset, insertionSort_#in~array_size#1 := main_~a~0#1.base, main_~a~0#1.offset, main_~array_size~0#1;havoc insertionSort_#t~mem3#1, insertionSort_#t~mem7#1, insertionSort_#t~post4#1, insertionSort_#t~mem5#1, insertionSort_#t~short6#1, insertionSort_#t~pre2#1, insertionSort_~a#1.base, insertionSort_~a#1.offset, insertionSort_~array_size#1, insertionSort_~i~0#1, insertionSort_~j~0#1, insertionSort_~index~0#1;insertionSort_~a#1.base, insertionSort_~a#1.offset := insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset;insertionSort_~array_size#1 := insertionSort_#in~array_size#1;havoc insertionSort_~i~0#1;havoc insertionSort_~j~0#1;havoc insertionSort_~index~0#1;insertionSort_~i~0#1 := 1; 158#L515-3 [2023-11-26 11:48:32,666 INFO L750 eck$LassoCheckResult]: Loop: 158#L515-3 assume !!(insertionSort_~i~0#1 < insertionSort_~array_size#1);call insertionSort_#t~mem3#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~i~0#1, 4);insertionSort_~index~0#1 := insertionSort_#t~mem3#1;havoc insertionSort_#t~mem3#1;insertionSort_~j~0#1 := insertionSort_~i~0#1; 159#L518-6 insertionSort_#t~short6#1 := insertionSort_~j~0#1 > 0; 165#L518-1 assume insertionSort_#t~short6#1;call insertionSort_#t~mem5#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);insertionSort_#t~short6#1 := insertionSort_#t~mem5#1 > insertionSort_~index~0#1; 168#L518-3 assume !insertionSort_#t~short6#1;havoc insertionSort_#t~mem5#1;havoc insertionSort_#t~short6#1; 166#L518-7 call write~int#0(insertionSort_~index~0#1, insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~j~0#1, 4); 160#L515-2 insertionSort_#t~pre2#1 := 1 + insertionSort_~i~0#1;insertionSort_~i~0#1 := 1 + insertionSort_~i~0#1;havoc insertionSort_#t~pre2#1; 158#L515-3 [2023-11-26 11:48:32,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:32,680 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 2 times [2023-11-26 11:48:32,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:32,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650186272] [2023-11-26 11:48:32,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:32,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:32,843 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 11:48:32,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:48:32,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650186272] [2023-11-26 11:48:32,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650186272] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:48:32,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:48:32,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:48:32,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146694663] [2023-11-26 11:48:32,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:48:32,846 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:48:32,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:32,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1808506605, now seen corresponding path program 1 times [2023-11-26 11:48:32,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:32,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533911322] [2023-11-26 11:48:32,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:32,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:32,863 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:48:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:32,886 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:48:33,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:48:33,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:48:33,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:48:33,110 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:48:33,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:48:33,143 INFO L93 Difference]: Finished difference Result 16 states and 20 transitions. [2023-11-26 11:48:33,143 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 20 transitions. [2023-11-26 11:48:33,146 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-26 11:48:33,147 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 20 transitions. [2023-11-26 11:48:33,147 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-26 11:48:33,148 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-26 11:48:33,148 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 20 transitions. [2023-11-26 11:48:33,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:48:33,148 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 20 transitions. [2023-11-26 11:48:33,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 20 transitions. [2023-11-26 11:48:33,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2023-11-26 11:48:33,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 14 states have internal predecessors, (19), 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 11:48:33,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2023-11-26 11:48:33,157 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2023-11-26 11:48:33,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 11:48:33,159 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2023-11-26 11:48:33,159 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-26 11:48:33,160 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2023-11-26 11:48:33,164 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-26 11:48:33,165 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:48:33,165 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:48:33,166 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:48:33,166 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:48:33,166 INFO L748 eck$LassoCheckResult]: Stem: 205#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 202#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 192#L525 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 193#L525-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 199#L530-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 194#L530-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 195#L530-3 assume !(main_~i~1#1 < main_~array_size~0#1); 200#L530-4 havoc main_~i~1#1;assume { :begin_inline_insertionSort } true;insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset, insertionSort_#in~array_size#1 := main_~a~0#1.base, main_~a~0#1.offset, main_~array_size~0#1;havoc insertionSort_#t~mem3#1, insertionSort_#t~mem7#1, insertionSort_#t~post4#1, insertionSort_#t~mem5#1, insertionSort_#t~short6#1, insertionSort_#t~pre2#1, insertionSort_~a#1.base, insertionSort_~a#1.offset, insertionSort_~array_size#1, insertionSort_~i~0#1, insertionSort_~j~0#1, insertionSort_~index~0#1;insertionSort_~a#1.base, insertionSort_~a#1.offset := insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset;insertionSort_~array_size#1 := insertionSort_#in~array_size#1;havoc insertionSort_~i~0#1;havoc insertionSort_~j~0#1;havoc insertionSort_~index~0#1;insertionSort_~i~0#1 := 1; 196#L515-3 [2023-11-26 11:48:33,167 INFO L750 eck$LassoCheckResult]: Loop: 196#L515-3 assume !!(insertionSort_~i~0#1 < insertionSort_~array_size#1);call insertionSort_#t~mem3#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~i~0#1, 4);insertionSort_~index~0#1 := insertionSort_#t~mem3#1;havoc insertionSort_#t~mem3#1;insertionSort_~j~0#1 := insertionSort_~i~0#1; 197#L518-6 insertionSort_#t~short6#1 := insertionSort_~j~0#1 > 0; 203#L518-1 assume insertionSort_#t~short6#1;call insertionSort_#t~mem5#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);insertionSort_#t~short6#1 := insertionSort_#t~mem5#1 > insertionSort_~index~0#1; 206#L518-3 assume !insertionSort_#t~short6#1;havoc insertionSort_#t~mem5#1;havoc insertionSort_#t~short6#1; 204#L518-7 call write~int#0(insertionSort_~index~0#1, insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~j~0#1, 4); 198#L515-2 insertionSort_#t~pre2#1 := 1 + insertionSort_~i~0#1;insertionSort_~i~0#1 := 1 + insertionSort_~i~0#1;havoc insertionSort_#t~pre2#1; 196#L515-3 [2023-11-26 11:48:33,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:33,167 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2023-11-26 11:48:33,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:33,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649819368] [2023-11-26 11:48:33,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:33,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:33,203 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:48:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:33,245 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:48:33,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:33,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1808506605, now seen corresponding path program 2 times [2023-11-26 11:48:33,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:33,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348059383] [2023-11-26 11:48:33,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:33,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:33,275 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:48:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:33,295 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:48:33,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:33,300 INFO L85 PathProgramCache]: Analyzing trace with hash -259891877, now seen corresponding path program 1 times [2023-11-26 11:48:33,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:33,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859505305] [2023-11-26 11:48:33,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:33,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:33,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:48:33,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:48:33,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859505305] [2023-11-26 11:48:33,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [859505305] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:48:33,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923647594] [2023-11-26 11:48:33,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:33,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:48:33,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:33,462 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:48:33,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-26 11:48:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:33,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-26 11:48:33,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:48:33,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:48:33,600 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:48:33,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:48:33,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923647594] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:48:33,658 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:48:33,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2023-11-26 11:48:33,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682007732] [2023-11-26 11:48:33,659 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:48:33,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:48:33,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-26 11:48:33,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-26 11:48:33,848 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand has 9 states, 9 states have (on average 2.3333333333333335) internal successors, (21), 9 states have internal predecessors, (21), 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 11:48:33,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:48:33,940 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2023-11-26 11:48:33,940 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2023-11-26 11:48:33,941 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-26 11:48:33,941 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 18 states and 21 transitions. [2023-11-26 11:48:33,942 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-26 11:48:33,942 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-26 11:48:33,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2023-11-26 11:48:33,942 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:48:33,942 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2023-11-26 11:48:33,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2023-11-26 11:48:33,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2023-11-26 11:48:33,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 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 11:48:33,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2023-11-26 11:48:33,945 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2023-11-26 11:48:33,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 11:48:33,947 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2023-11-26 11:48:33,947 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-26 11:48:33,947 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2023-11-26 11:48:33,948 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-26 11:48:33,948 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:48:33,948 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:48:33,949 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2023-11-26 11:48:33,949 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2023-11-26 11:48:33,949 INFO L748 eck$LassoCheckResult]: Stem: 347#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 342#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 332#L525 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 333#L525-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 339#L530-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 334#L530-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 335#L530-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 340#L530-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 348#L530-3 assume !(main_~i~1#1 < main_~array_size~0#1); 345#L530-4 havoc main_~i~1#1;assume { :begin_inline_insertionSort } true;insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset, insertionSort_#in~array_size#1 := main_~a~0#1.base, main_~a~0#1.offset, main_~array_size~0#1;havoc insertionSort_#t~mem3#1, insertionSort_#t~mem7#1, insertionSort_#t~post4#1, insertionSort_#t~mem5#1, insertionSort_#t~short6#1, insertionSort_#t~pre2#1, insertionSort_~a#1.base, insertionSort_~a#1.offset, insertionSort_~array_size#1, insertionSort_~i~0#1, insertionSort_~j~0#1, insertionSort_~index~0#1;insertionSort_~a#1.base, insertionSort_~a#1.offset := insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset;insertionSort_~array_size#1 := insertionSort_#in~array_size#1;havoc insertionSort_~i~0#1;havoc insertionSort_~j~0#1;havoc insertionSort_~index~0#1;insertionSort_~i~0#1 := 1; 336#L515-3 [2023-11-26 11:48:33,950 INFO L750 eck$LassoCheckResult]: Loop: 336#L515-3 assume !!(insertionSort_~i~0#1 < insertionSort_~array_size#1);call insertionSort_#t~mem3#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~i~0#1, 4);insertionSort_~index~0#1 := insertionSort_#t~mem3#1;havoc insertionSort_#t~mem3#1;insertionSort_~j~0#1 := insertionSort_~i~0#1; 337#L518-6 insertionSort_#t~short6#1 := insertionSort_~j~0#1 > 0; 343#L518-1 assume insertionSort_#t~short6#1;call insertionSort_#t~mem5#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);insertionSort_#t~short6#1 := insertionSort_#t~mem5#1 > insertionSort_~index~0#1; 346#L518-3 assume !insertionSort_#t~short6#1;havoc insertionSort_#t~mem5#1;havoc insertionSort_#t~short6#1; 344#L518-7 call write~int#0(insertionSort_~index~0#1, insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~j~0#1, 4); 338#L515-2 insertionSort_#t~pre2#1 := 1 + insertionSort_~i~0#1;insertionSort_~i~0#1 := 1 + insertionSort_~i~0#1;havoc insertionSort_#t~pre2#1; 336#L515-3 [2023-11-26 11:48:33,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:33,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1899756335, now seen corresponding path program 2 times [2023-11-26 11:48:33,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:33,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094834874] [2023-11-26 11:48:33,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:33,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:33,965 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:48:33,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:33,979 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:48:33,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:33,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1808506605, now seen corresponding path program 3 times [2023-11-26 11:48:33,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:33,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681924914] [2023-11-26 11:48:33,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:33,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:33,988 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:48:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:33,995 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:48:33,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:33,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1804388285, now seen corresponding path program 2 times [2023-11-26 11:48:33,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:33,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525060226] [2023-11-26 11:48:33,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:33,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:34,018 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:48:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:34,047 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:48:34,624 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:48:34,624 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:48:34,624 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:48:34,625 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:48:34,625 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:48:34,625 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:34,625 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:48:34,625 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:48:34,625 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration5_Lasso [2023-11-26 11:48:34,625 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:48:34,626 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:48:34,635 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 11:48:34,640 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 11:48:35,121 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 11:48:35,124 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 11:48:35,128 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 11:48:35,131 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 11:48:35,135 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 11:48:35,138 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 11:48:35,141 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 11:48:35,145 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 11:48:35,148 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 11:48:35,151 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 11:48:35,155 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 11:48:35,158 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 11:48:35,161 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 11:48:35,165 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 11:48:35,622 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:48:35,622 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:48:35,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:35,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:35,627 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:35,632 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 11:48:35,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 11:48:35,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:35,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:35,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:35,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:35,652 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:48:35,652 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:48:35,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:35,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:35,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:35,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:35,675 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:35,685 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 11:48:35,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 11:48:35,700 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:35,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:35,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:35,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:35,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:48:35,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:48:35,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:35,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:35,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:35,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:35,741 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:35,750 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 11:48:35,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 11:48:35,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:35,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:35,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:35,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:35,779 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:48:35,779 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:48:35,804 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:48:35,902 INFO L443 ModelExtractionUtils]: Simplification made 28 calls to the SMT solver. [2023-11-26 11:48:35,903 INFO L444 ModelExtractionUtils]: 7 out of 37 variables were initially zero. Simplification set additionally 24 variables to zero. [2023-11-26 11:48:35,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:35,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:35,909 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:35,922 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:48:35,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 11:48:35,957 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-26 11:48:35,958 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:48:35,958 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_insertionSort_~i~0#1) = -4*ULTIMATE.start_insertionSort_~i~0#1 + 4294967289 Supporting invariants [1*ULTIMATE.start_insertionSort_~a#1.offset - 1*v_rep(select #length ULTIMATE.start_insertionSort_~a#1.base)_1 + 4294967292 >= 0] [2023-11-26 11:48:35,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:35,991 INFO L156 tatePredicateManager]: 6 out of 7 supporting invariants were superfluous and have been removed [2023-11-26 11:48:36,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:36,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-26 11:48:36,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:48:36,091 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 11:48:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:36,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 11:48:36,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:48:36,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:36,237 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 11:48:36,238 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-26 11:48:36,238 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 11:48:36,309 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 25 states and 31 transitions. Complement of second has 5 states. [2023-11-26 11:48:36,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-26 11:48:36,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 11:48:36,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2023-11-26 11:48:36,314 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 10 letters. Loop has 6 letters. [2023-11-26 11:48:36,314 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:48:36,314 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 6 letters. [2023-11-26 11:48:36,315 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:48:36,315 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 10 letters. Loop has 12 letters. [2023-11-26 11:48:36,316 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:48:36,316 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 31 transitions. [2023-11-26 11:48:36,318 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:48:36,318 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 23 states and 29 transitions. [2023-11-26 11:48:36,319 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-26 11:48:36,319 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2023-11-26 11:48:36,319 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 29 transitions. [2023-11-26 11:48:36,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:48:36,320 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 29 transitions. [2023-11-26 11:48:36,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 29 transitions. [2023-11-26 11:48:36,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2023-11-26 11:48:36,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 21 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:48:36,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2023-11-26 11:48:36,325 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 28 transitions. [2023-11-26 11:48:36,326 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2023-11-26 11:48:36,326 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-26 11:48:36,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2023-11-26 11:48:36,327 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:48:36,327 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:48:36,327 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:48:36,328 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:48:36,328 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 11:48:36,328 INFO L748 eck$LassoCheckResult]: Stem: 497#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 490#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 477#L525 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 478#L525-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 486#L530-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 479#L530-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 480#L530-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 487#L530-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 498#L530-3 assume !(main_~i~1#1 < main_~array_size~0#1); 494#L530-4 havoc main_~i~1#1;assume { :begin_inline_insertionSort } true;insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset, insertionSort_#in~array_size#1 := main_~a~0#1.base, main_~a~0#1.offset, main_~array_size~0#1;havoc insertionSort_#t~mem3#1, insertionSort_#t~mem7#1, insertionSort_#t~post4#1, insertionSort_#t~mem5#1, insertionSort_#t~short6#1, insertionSort_#t~pre2#1, insertionSort_~a#1.base, insertionSort_~a#1.offset, insertionSort_~array_size#1, insertionSort_~i~0#1, insertionSort_~j~0#1, insertionSort_~index~0#1;insertionSort_~a#1.base, insertionSort_~a#1.offset := insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset;insertionSort_~array_size#1 := insertionSort_#in~array_size#1;havoc insertionSort_~i~0#1;havoc insertionSort_~j~0#1;havoc insertionSort_~index~0#1;insertionSort_~i~0#1 := 1; 481#L515-3 assume !!(insertionSort_~i~0#1 < insertionSort_~array_size#1);call insertionSort_#t~mem3#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~i~0#1, 4);insertionSort_~index~0#1 := insertionSort_#t~mem3#1;havoc insertionSort_#t~mem3#1;insertionSort_~j~0#1 := insertionSort_~i~0#1; 483#L518-6 [2023-11-26 11:48:36,329 INFO L750 eck$LassoCheckResult]: Loop: 483#L518-6 insertionSort_#t~short6#1 := insertionSort_~j~0#1 > 0; 491#L518-1 assume insertionSort_#t~short6#1;call insertionSort_#t~mem5#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);insertionSort_#t~short6#1 := insertionSort_#t~mem5#1 > insertionSort_~index~0#1; 495#L518-3 assume !!insertionSort_#t~short6#1;havoc insertionSort_#t~mem5#1;havoc insertionSort_#t~short6#1;call insertionSort_#t~mem7#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);call write~int#0(insertionSort_#t~mem7#1, insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~j~0#1, 4);havoc insertionSort_#t~mem7#1; 488#L518-5 insertionSort_#t~post4#1 := insertionSort_~j~0#1;insertionSort_~j~0#1 := insertionSort_#t~post4#1 - 1;havoc insertionSort_#t~post4#1; 483#L518-6 [2023-11-26 11:48:36,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:36,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 1 times [2023-11-26 11:48:36,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:36,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336580082] [2023-11-26 11:48:36,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:36,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:36,347 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:48:36,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:36,360 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:48:36,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:36,361 INFO L85 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 1 times [2023-11-26 11:48:36,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:36,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269555968] [2023-11-26 11:48:36,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:36,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:36,367 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:48:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:36,372 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:48:36,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:36,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1166584787, now seen corresponding path program 1 times [2023-11-26 11:48:36,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:36,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661938634] [2023-11-26 11:48:36,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:36,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:36,391 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:48:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:36,425 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:48:36,969 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:48:36,970 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:48:36,970 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:48:36,970 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:48:36,970 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:48:36,970 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:36,970 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:48:36,970 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:48:36,970 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration6_Lasso [2023-11-26 11:48:36,970 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:48:36,970 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:48:36,973 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 11:48:36,977 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 11:48:36,980 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 11:48:36,982 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 11:48:36,985 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 11:48:36,989 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 11:48:36,992 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 11:48:36,994 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 11:48:36,997 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 11:48:37,000 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 11:48:37,003 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 11:48:37,007 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 11:48:37,009 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 11:48:37,012 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 11:48:37,015 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 11:48:37,018 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 11:48:37,021 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 11:48:37,386 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 11:48:37,389 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 11:48:37,830 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:48:37,830 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:48:37,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:37,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:37,837 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:37,847 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 11:48:37,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:37,860 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:48:37,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:37,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:37,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:37,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 11:48:37,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:48:37,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:48:37,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:37,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:37,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:37,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:37,876 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:37,881 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 11:48:37,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:37,894 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:48:37,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:37,894 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:37,894 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:37,895 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:48:37,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:48:37,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-26 11:48:37,904 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:37,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:37,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:37,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:37,914 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:37,921 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 11:48:37,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:37,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:48:37,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:37,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:37,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:37,935 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:48:37,935 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:48:37,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-26 11:48:37,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:37,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:37,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:37,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:37,952 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:37,962 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 11:48:37,974 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:37,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:48:37,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:37,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:37,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:37,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:48:37,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:48:37,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-26 11:48:37,984 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:37,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:37,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:37,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:37,995 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:38,004 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 11:48:38,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-26 11:48:38,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:38,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:38,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:38,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:38,020 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:48:38,021 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:48:38,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:38,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:38,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:38,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:38,047 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:38,059 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 11:48:38,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-26 11:48:38,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:38,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:38,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:38,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:38,078 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:48:38,078 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:48:38,101 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:38,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:38,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:38,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:38,113 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:38,123 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 11:48:38,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-26 11:48:38,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:38,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:48:38,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:38,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:38,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:38,137 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:48:38,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:48:38,153 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:38,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:38,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:38,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:38,163 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:38,169 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 11:48:38,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-26 11:48:38,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:38,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:48:38,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:38,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:38,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:38,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:48:38,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:48:38,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:38,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:38,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:38,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:38,198 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:38,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:48:38,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-26 11:48:38,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:38,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:38,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:38,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:38,218 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:48:38,219 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:48:38,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:38,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:38,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:38,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:38,247 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:38,263 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 11:48:38,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:38,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:38,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:38,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:38,277 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:48:38,278 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:48:38,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-26 11:48:38,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:38,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:38,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:38,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:38,307 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:38,313 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 11:48:38,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-26 11:48:38,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:38,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:38,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:38,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:38,329 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:48:38,329 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:48:38,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:38,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:38,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:38,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:38,351 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:38,355 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 11:48:38,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:38,367 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:48:38,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:38,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:38,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:38,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-26 11:48:38,368 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:48:38,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:48:38,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:38,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:38,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:38,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:38,380 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:38,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-26 11:48:38,383 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 11:48:38,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:38,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:48:38,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:38,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:38,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:38,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:48:38,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:48:38,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:38,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:38,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:38,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:38,416 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:38,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-26 11:48:38,419 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 11:48:38,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:38,432 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:38,432 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:38,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:38,434 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:48:38,434 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:48:38,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:38,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-11-26 11:48:38,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:38,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:38,454 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:38,462 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 11:48:38,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:38,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:48:38,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:38,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:38,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:38,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:48:38,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:48:38,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-26 11:48:38,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:38,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:38,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:38,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:38,490 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:38,497 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 11:48:38,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-26 11:48:38,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:38,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:48:38,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:38,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:38,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:38,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:48:38,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:48:38,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:38,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:38,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:38,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:38,535 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:38,540 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 11:48:38,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-26 11:48:38,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:38,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:38,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:38,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:38,555 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:48:38,555 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:48:38,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:38,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:38,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:38,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:38,583 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:38,591 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 11:48:38,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-26 11:48:38,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:38,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:38,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:38,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:38,611 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:48:38,611 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:48:38,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:38,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:38,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:38,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:38,642 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:38,646 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 11:48:38,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:38,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:38,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:38,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:38,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-26 11:48:38,667 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:48:38,667 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:48:38,686 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:48:38,728 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2023-11-26 11:48:38,728 INFO L444 ModelExtractionUtils]: 9 out of 25 variables were initially zero. Simplification set additionally 14 variables to zero. [2023-11-26 11:48:38,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:38,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:38,729 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:38,733 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:48:38,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-26 11:48:38,762 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 11:48:38,763 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:48:38,763 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_insertionSort_~j~0#1) = 1*ULTIMATE.start_insertionSort_~j~0#1 Supporting invariants [] [2023-11-26 11:48:38,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:38,785 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2023-11-26 11:48:38,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:38,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:48:38,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:48:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:38,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 11:48:38,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:48:38,904 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 11:48:38,905 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-26 11:48:38,905 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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 11:48:38,964 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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 53 states and 68 transitions. Complement of second has 9 states. [2023-11-26 11:48:38,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-26 11:48:38,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 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 11:48:38,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2023-11-26 11:48:38,966 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 11 letters. Loop has 4 letters. [2023-11-26 11:48:38,966 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:48:38,966 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 15 letters. Loop has 4 letters. [2023-11-26 11:48:38,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:48:38,967 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 11 letters. Loop has 8 letters. [2023-11-26 11:48:38,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:48:38,967 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 68 transitions. [2023-11-26 11:48:38,969 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:48:38,970 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 36 states and 46 transitions. [2023-11-26 11:48:38,971 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2023-11-26 11:48:38,971 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-26 11:48:38,971 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 46 transitions. [2023-11-26 11:48:38,971 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:48:38,971 INFO L218 hiAutomatonCegarLoop]: Abstraction has 36 states and 46 transitions. [2023-11-26 11:48:38,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 46 transitions. [2023-11-26 11:48:38,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 28. [2023-11-26 11:48:38,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 27 states have internal predecessors, (36), 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 11:48:38,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2023-11-26 11:48:38,978 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 36 transitions. [2023-11-26 11:48:38,978 INFO L428 stractBuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2023-11-26 11:48:38,978 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-26 11:48:38,978 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2023-11-26 11:48:38,979 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:48:38,979 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:48:38,979 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:48:38,980 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:48:38,980 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 11:48:38,980 INFO L748 eck$LassoCheckResult]: Stem: 663#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 659#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 644#L525 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 645#L525-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 656#L530-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 657#L530-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 658#L530-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 646#L530-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 647#L530-3 assume !(main_~i~1#1 < main_~array_size~0#1); 664#L530-4 havoc main_~i~1#1;assume { :begin_inline_insertionSort } true;insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset, insertionSort_#in~array_size#1 := main_~a~0#1.base, main_~a~0#1.offset, main_~array_size~0#1;havoc insertionSort_#t~mem3#1, insertionSort_#t~mem7#1, insertionSort_#t~post4#1, insertionSort_#t~mem5#1, insertionSort_#t~short6#1, insertionSort_#t~pre2#1, insertionSort_~a#1.base, insertionSort_~a#1.offset, insertionSort_~array_size#1, insertionSort_~i~0#1, insertionSort_~j~0#1, insertionSort_~index~0#1;insertionSort_~a#1.base, insertionSort_~a#1.offset := insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset;insertionSort_~array_size#1 := insertionSort_#in~array_size#1;havoc insertionSort_~i~0#1;havoc insertionSort_~j~0#1;havoc insertionSort_~index~0#1;insertionSort_~i~0#1 := 1; 650#L515-3 assume !!(insertionSort_~i~0#1 < insertionSort_~array_size#1);call insertionSort_#t~mem3#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~i~0#1, 4);insertionSort_~index~0#1 := insertionSort_#t~mem3#1;havoc insertionSort_#t~mem3#1;insertionSort_~j~0#1 := insertionSort_~i~0#1; 651#L518-6 insertionSort_#t~short6#1 := insertionSort_~j~0#1 > 0; 667#L518-1 assume !insertionSort_#t~short6#1; 666#L518-3 assume !insertionSort_#t~short6#1;havoc insertionSort_#t~mem5#1;havoc insertionSort_#t~short6#1; 662#L518-7 call write~int#0(insertionSort_~index~0#1, insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~j~0#1, 4); 648#L515-2 insertionSort_#t~pre2#1 := 1 + insertionSort_~i~0#1;insertionSort_~i~0#1 := 1 + insertionSort_~i~0#1;havoc insertionSort_#t~pre2#1; 649#L515-3 assume !!(insertionSort_~i~0#1 < insertionSort_~array_size#1);call insertionSort_#t~mem3#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~i~0#1, 4);insertionSort_~index~0#1 := insertionSort_#t~mem3#1;havoc insertionSort_#t~mem3#1;insertionSort_~j~0#1 := insertionSort_~i~0#1; 653#L518-6 [2023-11-26 11:48:38,981 INFO L750 eck$LassoCheckResult]: Loop: 653#L518-6 insertionSort_#t~short6#1 := insertionSort_~j~0#1 > 0; 660#L518-1 assume insertionSort_#t~short6#1;call insertionSort_#t~mem5#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);insertionSort_#t~short6#1 := insertionSort_#t~mem5#1 > insertionSort_~index~0#1; 665#L518-3 assume !!insertionSort_#t~short6#1;havoc insertionSort_#t~mem5#1;havoc insertionSort_#t~short6#1;call insertionSort_#t~mem7#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);call write~int#0(insertionSort_#t~mem7#1, insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~j~0#1, 4);havoc insertionSort_#t~mem7#1; 654#L518-5 insertionSort_#t~post4#1 := insertionSort_~j~0#1;insertionSort_~j~0#1 := insertionSort_#t~post4#1 - 1;havoc insertionSort_#t~post4#1; 653#L518-6 [2023-11-26 11:48:38,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:38,981 INFO L85 PathProgramCache]: Analyzing trace with hash 103309060, now seen corresponding path program 1 times [2023-11-26 11:48:38,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:38,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668543716] [2023-11-26 11:48:38,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:38,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:39,125 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-26 11:48:39,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:48:39,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668543716] [2023-11-26 11:48:39,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668543716] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:48:39,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704346697] [2023-11-26 11:48:39,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:39,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:48:39,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:39,128 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:48:39,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2023-11-26 11:48:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:39,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 11:48:39,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:48:39,223 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-26 11:48:39,224 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:48:39,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704346697] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:48:39,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 11:48:39,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 6 [2023-11-26 11:48:39,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036115263] [2023-11-26 11:48:39,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:48:39,226 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:48:39,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:39,227 INFO L85 PathProgramCache]: Analyzing trace with hash 2004198, now seen corresponding path program 2 times [2023-11-26 11:48:39,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:39,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921327280] [2023-11-26 11:48:39,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:39,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:39,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:48:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:39,241 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:48:39,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:48:39,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:48:39,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:48:39,352 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. cyclomatic complexity: 12 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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 11:48:39,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:48:39,399 INFO L93 Difference]: Finished difference Result 45 states and 56 transitions. [2023-11-26 11:48:39,399 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 56 transitions. [2023-11-26 11:48:39,400 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:48:39,400 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 56 transitions. [2023-11-26 11:48:39,401 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2023-11-26 11:48:39,401 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-11-26 11:48:39,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 56 transitions. [2023-11-26 11:48:39,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:48:39,401 INFO L218 hiAutomatonCegarLoop]: Abstraction has 45 states and 56 transitions. [2023-11-26 11:48:39,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 56 transitions. [2023-11-26 11:48:39,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 35. [2023-11-26 11:48:39,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.2571428571428571) internal successors, (44), 34 states have internal predecessors, (44), 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 11:48:39,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 44 transitions. [2023-11-26 11:48:39,404 INFO L240 hiAutomatonCegarLoop]: Abstraction has 35 states and 44 transitions. [2023-11-26 11:48:39,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:48:39,405 INFO L428 stractBuchiCegarLoop]: Abstraction has 35 states and 44 transitions. [2023-11-26 11:48:39,405 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-26 11:48:39,406 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 44 transitions. [2023-11-26 11:48:39,406 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:48:39,406 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:48:39,406 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:48:39,407 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:48:39,407 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 11:48:39,407 INFO L748 eck$LassoCheckResult]: Stem: 801#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 794#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 778#L525 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 779#L525-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 792#L530-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 780#L530-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 781#L530-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 793#L530-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 804#L530-3 assume !(main_~i~1#1 < main_~array_size~0#1); 802#L530-4 havoc main_~i~1#1;assume { :begin_inline_insertionSort } true;insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset, insertionSort_#in~array_size#1 := main_~a~0#1.base, main_~a~0#1.offset, main_~array_size~0#1;havoc insertionSort_#t~mem3#1, insertionSort_#t~mem7#1, insertionSort_#t~post4#1, insertionSort_#t~mem5#1, insertionSort_#t~short6#1, insertionSort_#t~pre2#1, insertionSort_~a#1.base, insertionSort_~a#1.offset, insertionSort_~array_size#1, insertionSort_~i~0#1, insertionSort_~j~0#1, insertionSort_~index~0#1;insertionSort_~a#1.base, insertionSort_~a#1.offset := insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset;insertionSort_~array_size#1 := insertionSort_#in~array_size#1;havoc insertionSort_~i~0#1;havoc insertionSort_~j~0#1;havoc insertionSort_~index~0#1;insertionSort_~i~0#1 := 1; 782#L515-3 assume !!(insertionSort_~i~0#1 < insertionSort_~array_size#1);call insertionSort_#t~mem3#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~i~0#1, 4);insertionSort_~index~0#1 := insertionSort_#t~mem3#1;havoc insertionSort_#t~mem3#1;insertionSort_~j~0#1 := insertionSort_~i~0#1; 783#L518-6 insertionSort_#t~short6#1 := insertionSort_~j~0#1 > 0; 807#L518-1 assume insertionSort_#t~short6#1;call insertionSort_#t~mem5#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);insertionSort_#t~short6#1 := insertionSort_#t~mem5#1 > insertionSort_~index~0#1; 806#L518-3 assume !insertionSort_#t~short6#1;havoc insertionSort_#t~mem5#1;havoc insertionSort_#t~short6#1; 797#L518-7 call write~int#0(insertionSort_~index~0#1, insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~j~0#1, 4); 787#L515-2 insertionSort_#t~pre2#1 := 1 + insertionSort_~i~0#1;insertionSort_~i~0#1 := 1 + insertionSort_~i~0#1;havoc insertionSort_#t~pre2#1; 784#L515-3 assume !!(insertionSort_~i~0#1 < insertionSort_~array_size#1);call insertionSort_#t~mem3#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~i~0#1, 4);insertionSort_~index~0#1 := insertionSort_#t~mem3#1;havoc insertionSort_#t~mem3#1;insertionSort_~j~0#1 := insertionSort_~i~0#1; 786#L518-6 insertionSort_#t~short6#1 := insertionSort_~j~0#1 > 0; 795#L518-1 assume insertionSort_#t~short6#1;call insertionSort_#t~mem5#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);insertionSort_#t~short6#1 := insertionSort_#t~mem5#1 > insertionSort_~index~0#1; 798#L518-3 [2023-11-26 11:48:39,407 INFO L750 eck$LassoCheckResult]: Loop: 798#L518-3 assume !!insertionSort_#t~short6#1;havoc insertionSort_#t~mem5#1;havoc insertionSort_#t~short6#1;call insertionSort_#t~mem7#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);call write~int#0(insertionSort_#t~mem7#1, insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~j~0#1, 4);havoc insertionSort_#t~mem7#1; 788#L518-5 insertionSort_#t~post4#1 := insertionSort_~j~0#1;insertionSort_~j~0#1 := insertionSort_#t~post4#1 - 1;havoc insertionSort_#t~post4#1; 789#L518-6 insertionSort_#t~short6#1 := insertionSort_~j~0#1 > 0; 805#L518-1 assume insertionSort_#t~short6#1;call insertionSort_#t~mem5#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);insertionSort_#t~short6#1 := insertionSort_#t~mem5#1 > insertionSort_~index~0#1; 798#L518-3 [2023-11-26 11:48:39,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:39,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1279247387, now seen corresponding path program 3 times [2023-11-26 11:48:39,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:39,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431893127] [2023-11-26 11:48:39,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:39,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:39,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-26 11:48:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:39,552 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:48:39,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:48:39,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431893127] [2023-11-26 11:48:39,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431893127] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:48:39,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716195100] [2023-11-26 11:48:39,552 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-26 11:48:39,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:48:39,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:39,554 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:48:39,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2023-11-26 11:48:39,666 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-26 11:48:39,666 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-26 11:48:39,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-26 11:48:39,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:48:39,742 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:48:39,742 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 11:48:39,802 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:48:39,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716195100] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-26 11:48:39,803 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-26 11:48:39,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2023-11-26 11:48:39,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770623906] [2023-11-26 11:48:39,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-26 11:48:39,803 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-26 11:48:39,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:39,804 INFO L85 PathProgramCache]: Analyzing trace with hash 2341158, now seen corresponding path program 3 times [2023-11-26 11:48:39,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:39,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112543482] [2023-11-26 11:48:39,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:39,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:39,809 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:48:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:39,813 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:48:39,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:48:39,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-26 11:48:39,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-11-26 11:48:39,994 INFO L87 Difference]: Start difference. First operand 35 states and 44 transitions. cyclomatic complexity: 13 Second operand has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 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 11:48:40,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:48:40,068 INFO L93 Difference]: Finished difference Result 52 states and 65 transitions. [2023-11-26 11:48:40,069 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 65 transitions. [2023-11-26 11:48:40,069 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:48:40,073 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 38 states and 47 transitions. [2023-11-26 11:48:40,073 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2023-11-26 11:48:40,073 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2023-11-26 11:48:40,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 47 transitions. [2023-11-26 11:48:40,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-26 11:48:40,074 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 47 transitions. [2023-11-26 11:48:40,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 47 transitions. [2023-11-26 11:48:40,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2023-11-26 11:48:40,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 36 states have internal predecessors, (46), 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 11:48:40,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 46 transitions. [2023-11-26 11:48:40,077 INFO L240 hiAutomatonCegarLoop]: Abstraction has 37 states and 46 transitions. [2023-11-26 11:48:40,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 11:48:40,078 INFO L428 stractBuchiCegarLoop]: Abstraction has 37 states and 46 transitions. [2023-11-26 11:48:40,078 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-26 11:48:40,078 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 46 transitions. [2023-11-26 11:48:40,079 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-26 11:48:40,079 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:48:40,079 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:48:40,079 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:48:40,079 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-26 11:48:40,080 INFO L748 eck$LassoCheckResult]: Stem: 1019#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1011#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet8#1;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 994#L525 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 995#L525-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 1008#L530-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1009#L530-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1010#L530-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 996#L530-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 997#L530-3 assume !!(main_~i~1#1 < main_~array_size~0#1);havoc main_#t~nondet11#1;call write~int#0(main_#t~nondet11#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1022#L530-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1021#L530-3 assume !(main_~i~1#1 < main_~array_size~0#1); 1020#L530-4 havoc main_~i~1#1;assume { :begin_inline_insertionSort } true;insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset, insertionSort_#in~array_size#1 := main_~a~0#1.base, main_~a~0#1.offset, main_~array_size~0#1;havoc insertionSort_#t~mem3#1, insertionSort_#t~mem7#1, insertionSort_#t~post4#1, insertionSort_#t~mem5#1, insertionSort_#t~short6#1, insertionSort_#t~pre2#1, insertionSort_~a#1.base, insertionSort_~a#1.offset, insertionSort_~array_size#1, insertionSort_~i~0#1, insertionSort_~j~0#1, insertionSort_~index~0#1;insertionSort_~a#1.base, insertionSort_~a#1.offset := insertionSort_#in~a#1.base, insertionSort_#in~a#1.offset;insertionSort_~array_size#1 := insertionSort_#in~array_size#1;havoc insertionSort_~i~0#1;havoc insertionSort_~j~0#1;havoc insertionSort_~index~0#1;insertionSort_~i~0#1 := 1; 1000#L515-3 assume !!(insertionSort_~i~0#1 < insertionSort_~array_size#1);call insertionSort_#t~mem3#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~i~0#1, 4);insertionSort_~index~0#1 := insertionSort_#t~mem3#1;havoc insertionSort_#t~mem3#1;insertionSort_~j~0#1 := insertionSort_~i~0#1; 1001#L518-6 insertionSort_#t~short6#1 := insertionSort_~j~0#1 > 0; 1014#L518-1 assume insertionSort_#t~short6#1;call insertionSort_#t~mem5#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);insertionSort_#t~short6#1 := insertionSort_#t~mem5#1 > insertionSort_~index~0#1; 1024#L518-3 assume !insertionSort_#t~short6#1;havoc insertionSort_#t~mem5#1;havoc insertionSort_#t~short6#1; 1015#L518-7 call write~int#0(insertionSort_~index~0#1, insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~j~0#1, 4); 998#L515-2 insertionSort_#t~pre2#1 := 1 + insertionSort_~i~0#1;insertionSort_~i~0#1 := 1 + insertionSort_~i~0#1;havoc insertionSort_#t~pre2#1; 999#L515-3 assume !!(insertionSort_~i~0#1 < insertionSort_~array_size#1);call insertionSort_#t~mem3#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~i~0#1, 4);insertionSort_~index~0#1 := insertionSort_#t~mem3#1;havoc insertionSort_#t~mem3#1;insertionSort_~j~0#1 := insertionSort_~i~0#1; 1003#L518-6 insertionSort_#t~short6#1 := insertionSort_~j~0#1 > 0; 1012#L518-1 assume insertionSort_#t~short6#1;call insertionSort_#t~mem5#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);insertionSort_#t~short6#1 := insertionSort_#t~mem5#1 > insertionSort_~index~0#1; 1016#L518-3 [2023-11-26 11:48:40,080 INFO L750 eck$LassoCheckResult]: Loop: 1016#L518-3 assume !!insertionSort_#t~short6#1;havoc insertionSort_#t~mem5#1;havoc insertionSort_#t~short6#1;call insertionSort_#t~mem7#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);call write~int#0(insertionSort_#t~mem7#1, insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * insertionSort_~j~0#1, 4);havoc insertionSort_#t~mem7#1; 1004#L518-5 insertionSort_#t~post4#1 := insertionSort_~j~0#1;insertionSort_~j~0#1 := insertionSort_#t~post4#1 - 1;havoc insertionSort_#t~post4#1; 1005#L518-6 insertionSort_#t~short6#1 := insertionSort_~j~0#1 > 0; 1023#L518-1 assume insertionSort_#t~short6#1;call insertionSort_#t~mem5#1 := read~int#0(insertionSort_~a#1.base, insertionSort_~a#1.offset + 4 * (insertionSort_~j~0#1 - 1), 4);insertionSort_#t~short6#1 := insertionSort_#t~mem5#1 > insertionSort_~index~0#1; 1016#L518-3 [2023-11-26 11:48:40,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:40,080 INFO L85 PathProgramCache]: Analyzing trace with hash 400752323, now seen corresponding path program 4 times [2023-11-26 11:48:40,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:40,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975110017] [2023-11-26 11:48:40,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:40,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:40,098 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:48:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:40,113 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:48:40,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:40,114 INFO L85 PathProgramCache]: Analyzing trace with hash 2341158, now seen corresponding path program 4 times [2023-11-26 11:48:40,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:40,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137059483] [2023-11-26 11:48:40,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:40,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:40,124 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:48:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:40,127 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:48:40,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:40,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1560643304, now seen corresponding path program 1 times [2023-11-26 11:48:40,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:48:40,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032900391] [2023-11-26 11:48:40,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:48:40,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:48:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:40,160 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:48:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:48:40,178 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:48:42,179 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:48:42,179 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:48:42,179 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:48:42,179 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:48:42,179 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:48:42,179 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:42,179 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:48:42,179 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:48:42,179 INFO L133 ssoRankerPreferences]: Filename of dumped script: insertionsort-alloca-1.i_Iteration9_Lasso [2023-11-26 11:48:42,179 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:48:42,180 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:48:42,183 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 11:48:43,164 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 11:48:43,167 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 11:48:43,170 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 11:48:43,173 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 11:48:43,176 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 11:48:43,178 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 11:48:43,181 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 11:48:43,183 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 11:48:43,186 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 11:48:43,189 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 11:48:43,192 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 11:48:43,199 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 11:48:44,145 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:48:44,146 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:48:44,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:44,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:44,152 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:44,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-26 11:48:44,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-26 11:48:44,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:44,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:44,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:44,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:44,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:48:44,172 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:48:44,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:44,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-26 11:48:44,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:44,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:44,179 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:44,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-26 11:48:44,183 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 11:48:44,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:44,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:44,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:44,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:44,195 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:48:44,195 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:48:44,208 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:44,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2023-11-26 11:48:44,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:44,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:44,212 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:44,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-26 11:48:44,216 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 11:48:44,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:44,226 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-26 11:48:44,226 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-26 11:48:44,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:44,293 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2023-11-26 11:48:44,294 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-26 11:48:44,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:44,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-26 11:48:44,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:44,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:44,346 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:44,348 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 11:48:44,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-26 11:48:44,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:44,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:44,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:44,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:44,360 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:48:44,361 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:48:44,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:48:44,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-11-26 11:48:44,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:44,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:44,369 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:44,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-26 11:48:44,372 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 11:48:44,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:48:44,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:48:44,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:48:44,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:48:44,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-26 11:48:44,395 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-26 11:48:44,421 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:48:44,463 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2023-11-26 11:48:44,464 INFO L444 ModelExtractionUtils]: 16 out of 37 variables were initially zero. Simplification set additionally 19 variables to zero. [2023-11-26 11:48:44,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:48:44,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:44,469 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:44,474 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:48:44,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-26 11:48:44,495 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-26 11:48:44,496 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:48:44,496 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_insertionSort_~j~0#1) = 1*ULTIMATE.start_insertionSort_~j~0#1 Supporting invariants [] [2023-11-26 11:48:44,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2023-11-26 11:48:44,542 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2023-11-26 11:48:44,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:44,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:48:44,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:48:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:44,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 11:48:44,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:48:44,690 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 11:48:44,691 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-26 11:48:44,691 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 46 transitions. cyclomatic complexity: 13 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 11:48:44,747 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 46 transitions. cyclomatic complexity: 13. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 58 states and 70 transitions. Complement of second has 9 states. [2023-11-26 11:48:44,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-26 11:48:44,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 11:48:44,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2023-11-26 11:48:44,749 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 21 letters. Loop has 4 letters. [2023-11-26 11:48:44,749 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:48:44,749 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-26 11:48:44,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:44,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:48:44,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:48:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:44,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 11:48:44,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:48:44,864 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 11:48:44,865 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-26 11:48:44,865 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 46 transitions. cyclomatic complexity: 13 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 11:48:44,916 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 46 transitions. cyclomatic complexity: 13. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 59 states and 71 transitions. Complement of second has 9 states. [2023-11-26 11:48:44,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-26 11:48:44,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 11:48:44,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2023-11-26 11:48:44,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 21 letters. Loop has 4 letters. [2023-11-26 11:48:44,918 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:48:44,918 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-26 11:48:44,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:48:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:44,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:48:44,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:48:44,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:48:44,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 11:48:44,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:48:45,033 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 11:48:45,034 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-26 11:48:45,035 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 37 states and 46 transitions. cyclomatic complexity: 13 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 11:48:45,090 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 37 states and 46 transitions. cyclomatic complexity: 13. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 69 states and 86 transitions. Complement of second has 8 states. [2023-11-26 11:48:45,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-26 11:48:45,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 11:48:45,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2023-11-26 11:48:45,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 21 letters. Loop has 4 letters. [2023-11-26 11:48:45,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:48:45,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 25 letters. Loop has 4 letters. [2023-11-26 11:48:45,093 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:48:45,093 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 21 letters. Loop has 8 letters. [2023-11-26 11:48:45,093 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:48:45,093 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 86 transitions. [2023-11-26 11:48:45,094 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:48:45,094 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 0 states and 0 transitions. [2023-11-26 11:48:45,095 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 11:48:45,095 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 11:48:45,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 11:48:45,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:48:45,095 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:48:45,095 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:48:45,095 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:48:45,095 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-26 11:48:45,095 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 11:48:45,095 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:48:45,096 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 11:48:45,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 11:48:45 BoogieIcfgContainer [2023-11-26 11:48:45,103 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 11:48:45,103 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:48:45,103 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:48:45,104 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:48:45,104 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:48:29" (3/4) ... [2023-11-26 11:48:45,106 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:48:45,107 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:48:45,108 INFO L158 Benchmark]: Toolchain (without parser) took 16321.93ms. Allocated memory was 148.9MB in the beginning and 243.3MB in the end (delta: 94.4MB). Free memory was 100.6MB in the beginning and 137.3MB in the end (delta: -36.7MB). Peak memory consumption was 59.5MB. Max. memory is 16.1GB. [2023-11-26 11:48:45,108 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 148.9MB. Free memory was 121.1MB in the beginning and 121.0MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:48:45,108 INFO L158 Benchmark]: CACSL2BoogieTranslator took 631.05ms. Allocated memory is still 148.9MB. Free memory was 100.6MB in the beginning and 83.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 11:48:45,109 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.84ms. Allocated memory is still 148.9MB. Free memory was 83.8MB in the beginning and 82.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:48:45,109 INFO L158 Benchmark]: Boogie Preprocessor took 53.63ms. Allocated memory is still 148.9MB. Free memory was 82.3MB in the beginning and 80.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:48:45,109 INFO L158 Benchmark]: RCFGBuilder took 380.65ms. Allocated memory is still 148.9MB. Free memory was 80.2MB in the beginning and 68.3MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 11:48:45,110 INFO L158 Benchmark]: BuchiAutomizer took 15157.09ms. Allocated memory was 148.9MB in the beginning and 243.3MB in the end (delta: 94.4MB). Free memory was 68.3MB in the beginning and 138.3MB in the end (delta: -70.0MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2023-11-26 11:48:45,110 INFO L158 Benchmark]: Witness Printer took 3.78ms. Allocated memory is still 243.3MB. Free memory was 138.3MB in the beginning and 137.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:48:45,112 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 148.9MB. Free memory was 121.1MB in the beginning and 121.0MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 631.05ms. Allocated memory is still 148.9MB. Free memory was 100.6MB in the beginning and 83.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.84ms. Allocated memory is still 148.9MB. Free memory was 83.8MB in the beginning and 82.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.63ms. Allocated memory is still 148.9MB. Free memory was 82.3MB in the beginning and 80.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 380.65ms. Allocated memory is still 148.9MB. Free memory was 80.2MB in the beginning and 68.3MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 15157.09ms. Allocated memory was 148.9MB in the beginning and 243.3MB in the end (delta: 94.4MB). Free memory was 68.3MB in the beginning and 138.3MB in the end (delta: -70.0MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * Witness Printer took 3.78ms. Allocated memory is still 243.3MB. Free memory was 138.3MB in the beginning and 137.3MB in the end (delta: 1.0MB). 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[#t~malloc9!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 9 terminating modules (5 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function ((-4 * i) + 4294967289) and consists of 4 locations. One deterministic module has affine ranking function j and consists of 5 locations. One nondeterministic module has affine ranking function j and consists of 5 locations. 5 modules have a trivial ranking function, the largest among these consists of 12 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.0s and 10 iterations. TraceHistogramMax:3. Analysis of lassos took 13.1s. Construction of modules took 0.2s. Büchi inclusion checks took 1.5s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 4. Automata minimization 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 22 StatesRemovedByMinimization, 6 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 [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 182 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 178 mSDsluCounter, 308 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 162 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 246 IncrementalHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 146 mSDtfsCounter, 246 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU3 SILI1 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital210 mio100 ax110 hnf100 lsp89 ukn70 mio100 lsp53 div172 bol100 ite100 ukn100 eq154 hnf93 smp70 dnf154 smp87 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 130ms VariablesStem: 12 VariablesLoop: 17 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 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 11:48:45,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2023-11-26 11:48:45,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2023-11-26 11:48:45,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2023-11-26 11:48:45,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-26 11:48:45,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4acfbac7-9a50-4ddf-816a-954cef80ae54/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